12

src/MilitaryTrainingManagement/Controllers/AllocationsController.cs

@@ -280,7 +280,7 @@ public class AllocationsController : BaseApiController
             quotaValid = isValid,
             targetUnitsExist = targetUnitsExist,
             isValid = isValid && targetUnitsExist,
-            message = !isValid ? "分配配额总和超过总配额指标" :
+            message = !isValid ? "有配额未分配，无法提交" :
                       !targetUnitsExist ? "目标单位不存在" : "验证通过"
         });
     }

src/MilitaryTrainingManagement/Controllers/MaterialCategoriesController.cs

@@ -0,0 +1,142 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using MilitaryTrainingManagement.Data;
+using MilitaryTrainingManagement.Models.DTOs;
+using MilitaryTrainingManagement.Models.Entities;
+
+namespace MilitaryTrainingManagement.Controllers;
+
+/// <summary>
+/// 物资类别管理控制器
+/// </summary>
+[Authorize]
+public class MaterialCategoriesController : BaseApiController
+{
+    private readonly ApplicationDbContext _context;
+
+    public MaterialCategoriesController(ApplicationDbContext context)
+    {
+        _context = context;
+    }
+
+    /// <summary>
+    /// 获取所有物资类别
+    /// </summary>
+    [HttpGet]
+    public async Task<IActionResult> GetAll([FromQuery] bool? activeOnly = true)
+    {
+        var query = _context.MaterialCategories.AsQueryable();
+        
+        if (activeOnly == true)
+        {
+            query = query.Where(c => c.IsActive);
+        }
+        
+        var categories = await query
+            .OrderBy(c => c.SortOrder)
+            .ThenBy(c => c.Name)
+            .ToListAsync();
+            
+        return Ok(categories);
+    }
+
+    /// <summary>
+    /// 根据ID获取物资类别
+    /// </summary>
+    [HttpGet("{id}")]
+    public async Task<IActionResult> GetById(int id)
+    {
+        var category = await _context.MaterialCategories.FindAsync(id);
+        if (category == null)
+        {
+            return NotFound(new { message = "物资类别不存在" });
+        }
+        return Ok(category);
+    }
+
+    /// <summary>
+    /// 创建物资类别
+    /// </summary>
+    [HttpPost]
+    public async Task<IActionResult> Create([FromBody] CreateMaterialCategoryRequest request)
+    {
+        // 检查名称是否已存在
+        var exists = await _context.MaterialCategories
+            .AnyAsync(c => c.Name == request.Name);
+        if (exists)
+        {
+            return BadRequest(new { message = "物资类别名称已存在" });
+        }
+
+        var category = new MaterialCategory
+        {
+            Name = request.Name,
+            Description = request.Description,
+            SortOrder = request.SortOrder,
+            IsActive = true,
+            CreatedAt = DateTime.UtcNow
+        };
+
+        _context.MaterialCategories.Add(category);
+        await _context.SaveChangesAsync();
+
+        return CreatedAtAction(nameof(GetById), new { id = category.Id }, category);
+    }
+
+    /// <summary>
+    /// 更新物资类别
+    /// </summary>
+    [HttpPut("{id}")]
+    public async Task<IActionResult> Update(int id, [FromBody] UpdateMaterialCategoryRequest request)
+    {
+        var category = await _context.MaterialCategories.FindAsync(id);
+        if (category == null)
+        {
+            return NotFound(new { message = "物资类别不存在" });
+        }
+
+        // 检查名称是否与其他类别重复
+        var exists = await _context.MaterialCategories
+            .AnyAsync(c => c.Name == request.Name && c.Id != id);
+        if (exists)
+        {
+            return BadRequest(new { message = "物资类别名称已存在" });
+        }
+
+        category.Name = request.Name;
+        category.Description = request.Description;
+        category.SortOrder = request.SortOrder;
+        category.IsActive = request.IsActive;
+
+        await _context.SaveChangesAsync();
+
+        return Ok(category);
+    }
+
+    /// <summary>
+    /// 删除物资类别
+    /// </summary>
+    [HttpDelete("{id}")]
+    public async Task<IActionResult> Delete(int id)
+    {
+        var category = await _context.MaterialCategories.FindAsync(id);
+        if (category == null)
+        {
+            return NotFound(new { message = "物资类别不存在" });
+        }
+
+        // 检查是否有配额使用此类别
+        var hasAllocations = await _context.MaterialAllocations
+            .AnyAsync(a => a.Category == category.Name);
+        if (hasAllocations)
+        {
+            return BadRequest(new { message = "该类别已被使用，无法删除" });
+        }
+
+        _context.MaterialCategories.Remove(category);
+        await _context.SaveChangesAsync();
+
+        return Ok(new { message = "删除成功" });
+    }
+}

src/MilitaryTrainingManagement/Data/ApplicationDbContext.cs

@@ -17,6 +17,7 @@ public class ApplicationDbContext : DbContext
     public DbSet<UserAccount> UserAccounts => Set<UserAccount>();
     public DbSet<MaterialAllocation> MaterialAllocations => Set<MaterialAllocation>();
     public DbSet<AllocationDistribution> AllocationDistributions => Set<AllocationDistribution>();
+    public DbSet<MaterialCategory> MaterialCategories => Set<MaterialCategory>();
     public DbSet<Personnel> Personnel => Set<Personnel>();
     public DbSet<PersonnelApprovalHistory> PersonnelApprovalHistories => Set<PersonnelApprovalHistory>();
     public DbSet<ApprovalRequest> ApprovalRequests => Set<ApprovalRequest>();
@@ -65,6 +66,15 @@ public class ApplicationDbContext : DbContext
                 .OnDelete(DeleteBehavior.Restrict);
         });
 
+        // MaterialCategory 配置
+        modelBuilder.Entity<MaterialCategory>(entity =>
+        {
+            entity.HasKey(e => e.Id);
+            entity.Property(e => e.Name).IsRequired().HasMaxLength(50);
+            entity.HasIndex(e => e.Name).IsUnique();
+            entity.Property(e => e.Description).HasMaxLength(200);
+        });
+
         // AllocationDistribution 配置
         modelBuilder.Entity<AllocationDistribution>(entity =>
         {

src/MilitaryTrainingManagement/Migrations/20260114141545_AddMaterialCategory.Designer.cs

@@ -0,0 +1,672 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using MilitaryTrainingManagement.Data;
+
+#nullable disable
+
+namespace MilitaryTrainingManagement.Migrations
+{
+    [DbContext(typeof(ApplicationDbContext))]
+    [Migration("20260114141545_AddMaterialCategory")]
+    partial class AddMaterialCategory
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.AllocationDistribution", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<decimal?>("ActualCompletion")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("decimal(18,2)");
+
+                    b.Property<int>("AllocationId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("ApprovedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("ApprovedByUserId")
+                        .HasColumnType("int");
+
+                    b.Property<bool>("IsApproved")
+                        .HasColumnType("bit");
+
+                    b.Property<DateTime?>("ReportedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("ReportedByUserId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("TargetUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("UnitQuota")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("decimal(18,2)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AllocationId");
+
+                    b.HasIndex("ApprovedByUserId");
+
+                    b.HasIndex("ReportedByUserId");
+
+                    b.HasIndex("TargetUnitId");
+
+                    b.ToTable("AllocationDistributions");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.ApprovalRequest", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("OriginalData")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("RequestedByUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("RequestedByUserId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("RequestedChanges")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("ReviewComments")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("ReviewedByUserId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<int>("TargetEntityId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Type")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RequestedByUnitId");
+
+                    b.HasIndex("RequestedByUserId");
+
+                    b.HasIndex("ReviewedByUserId");
+
+                    b.ToTable("ApprovalRequests");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.AuditLog", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Action")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<string>("ChangedFields")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)");
+
+                    b.Property<int>("EntityId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("EntityType")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<string>("ErrorMessage")
+                        .HasMaxLength(2000)
+                        .HasColumnType("nvarchar(2000)");
+
+                    b.Property<string>("IpAddress")
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<bool>("IsSuccess")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("NewValues")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("OldValues")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int?>("OrganizationalUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("RequestPath")
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)");
+
+                    b.Property<DateTime>("Timestamp")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("UserAgent")
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)");
+
+                    b.Property<int?>("UserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Action");
+
+                    b.HasIndex("EntityId");
+
+                    b.HasIndex("EntityType");
+
+                    b.HasIndex("OrganizationalUnitId");
+
+                    b.HasIndex("Timestamp");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AuditLogs");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.MaterialAllocation", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("CreatedByUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("MaterialName")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("nvarchar(200)");
+
+                    b.Property<decimal>("TotalQuota")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("decimal(18,2)");
+
+                    b.Property<string>("Unit")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedByUnitId");
+
+                    b.ToTable("MaterialAllocations");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.MaterialCategory", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(200)
+                        .HasColumnType("nvarchar(200)");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Name")
+                        .IsUnique();
+
+                    b.ToTable("MaterialCategories");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("Level")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<int?>("ParentId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ParentId");
+
+                    b.ToTable("OrganizationalUnits");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.Personnel", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Achievements")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Age")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("ApprovedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("ApprovedByUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("ApprovedLevel")
+                        .HasColumnType("int");
+
+                    b.Property<string>("ContactInfo")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("EducationLevel")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Gender")
+                        .IsRequired()
+                        .HasMaxLength(10)
+                        .HasColumnType("nvarchar(10)");
+
+                    b.Property<decimal?>("Height")
+                        .HasPrecision(5, 2)
+                        .HasColumnType("decimal(5,2)");
+
+                    b.Property<string>("Hometown")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("IdNumber")
+                        .IsRequired()
+                        .HasMaxLength(18)
+                        .HasColumnType("nvarchar(18)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<string>("PhotoPath")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Position")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<string>("ProfessionalTitle")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Rank")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("SubmittedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("SubmittedByUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("SupportingDocuments")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("TrainingParticipation")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ApprovedByUnitId");
+
+                    b.HasIndex("IdNumber")
+                        .IsUnique();
+
+                    b.HasIndex("SubmittedByUnitId");
+
+                    b.ToTable("Personnel");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.PersonnelApprovalHistory", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Comments")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int?>("NewLevel")
+                        .HasColumnType("int");
+
+                    b.Property<int>("NewStatus")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PersonnelId")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("PreviousLevel")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("ReviewedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("ReviewedByUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ReviewedByUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PersonnelId");
+
+                    b.HasIndex("ReviewedByUnitId");
+
+                    b.HasIndex("ReviewedByUserId");
+
+                    b.ToTable("PersonnelApprovalHistories");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.UserAccount", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("bit");
+
+                    b.Property<DateTime?>("LastLoginAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("OrganizationalUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Username")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrganizationalUnitId");
+
+                    b.HasIndex("Username")
+                        .IsUnique();
+
+                    b.ToTable("UserAccounts");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.AllocationDistribution", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.MaterialAllocation", "Allocation")
+                        .WithMany("Distributions")
+                        .HasForeignKey("AllocationId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.UserAccount", "ApprovedByUser")
+                        .WithMany()
+                        .HasForeignKey("ApprovedByUserId")
+                        .OnDelete(DeleteBehavior.NoAction);
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.UserAccount", "ReportedByUser")
+                        .WithMany()
+                        .HasForeignKey("ReportedByUserId")
+                        .OnDelete(DeleteBehavior.NoAction);
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "TargetUnit")
+                        .WithMany()
+                        .HasForeignKey("TargetUnitId")
+                        .OnDelete(DeleteBehavior.NoAction)
+                        .IsRequired();
+
+                    b.Navigation("Allocation");
+
+                    b.Navigation("ApprovedByUser");
+
+                    b.Navigation("ReportedByUser");
+
+                    b.Navigation("TargetUnit");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.ApprovalRequest", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "RequestedByUnit")
+                        .WithMany()
+                        .HasForeignKey("RequestedByUnitId")
+                        .OnDelete(DeleteBehavior.NoAction)
+                        .IsRequired();
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.UserAccount", "RequestedByUser")
+                        .WithMany()
+                        .HasForeignKey("RequestedByUserId")
+                        .OnDelete(DeleteBehavior.NoAction)
+                        .IsRequired();
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.UserAccount", "ReviewedByUser")
+                        .WithMany()
+                        .HasForeignKey("ReviewedByUserId")
+                        .OnDelete(DeleteBehavior.NoAction);
+
+                    b.Navigation("RequestedByUnit");
+
+                    b.Navigation("RequestedByUser");
+
+                    b.Navigation("ReviewedByUser");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.AuditLog", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "OrganizationalUnit")
+                        .WithMany()
+                        .HasForeignKey("OrganizationalUnitId")
+                        .OnDelete(DeleteBehavior.NoAction);
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.UserAccount", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.NoAction);
+
+                    b.Navigation("OrganizationalUnit");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.MaterialAllocation", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "CreatedByUnit")
+                        .WithMany()
+                        .HasForeignKey("CreatedByUnitId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.Navigation("CreatedByUnit");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "Parent")
+                        .WithMany("Children")
+                        .HasForeignKey("ParentId")
+                        .OnDelete(DeleteBehavior.Restrict);
+
+                    b.Navigation("Parent");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.Personnel", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "ApprovedByUnit")
+                        .WithMany()
+                        .HasForeignKey("ApprovedByUnitId")
+                        .OnDelete(DeleteBehavior.NoAction);
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "SubmittedByUnit")
+                        .WithMany()
+                        .HasForeignKey("SubmittedByUnitId")
+                        .OnDelete(DeleteBehavior.NoAction)
+                        .IsRequired();
+
+                    b.Navigation("ApprovedByUnit");
+
+                    b.Navigation("SubmittedByUnit");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.PersonnelApprovalHistory", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.Personnel", "Personnel")
+                        .WithMany()
+                        .HasForeignKey("PersonnelId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "ReviewedByUnit")
+                        .WithMany()
+                        .HasForeignKey("ReviewedByUnitId")
+                        .OnDelete(DeleteBehavior.NoAction);
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.UserAccount", "ReviewedByUser")
+                        .WithMany()
+                        .HasForeignKey("ReviewedByUserId")
+                        .OnDelete(DeleteBehavior.NoAction)
+                        .IsRequired();
+
+                    b.Navigation("Personnel");
+
+                    b.Navigation("ReviewedByUnit");
+
+                    b.Navigation("ReviewedByUser");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.UserAccount", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "OrganizationalUnit")
+                        .WithMany("Accounts")
+                        .HasForeignKey("OrganizationalUnitId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.Navigation("OrganizationalUnit");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.MaterialAllocation", b =>
+                {
+                    b.Navigation("Distributions");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", b =>
+                {
+                    b.Navigation("Accounts");
+
+                    b.Navigation("Children");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

src/MilitaryTrainingManagement/Migrations/20260114141545_AddMaterialCategory.cs

@@ -0,0 +1,456 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace MilitaryTrainingManagement.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddMaterialCategory : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "MaterialCategories",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: false),
+                    Description = table.Column<string>(type: "nvarchar(200)", maxLength: 200, nullable: true),
+                    IsActive = table.Column<bool>(type: "bit", nullable: false),
+                    CreatedAt = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    SortOrder = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_MaterialCategories", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "OrganizationalUnits",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(type: "nvarchar(100)", maxLength: 100, nullable: false),
+                    Level = table.Column<int>(type: "int", nullable: false),
+                    ParentId = table.Column<int>(type: "int", nullable: true),
+                    CreatedAt = table.Column<DateTime>(type: "datetime2", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_OrganizationalUnits", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_OrganizationalUnits_OrganizationalUnits_ParentId",
+                        column: x => x.ParentId,
+                        principalTable: "OrganizationalUnits",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Restrict);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "MaterialAllocations",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Category = table.Column<string>(type: "nvarchar(100)", maxLength: 100, nullable: false),
+                    MaterialName = table.Column<string>(type: "nvarchar(200)", maxLength: 200, nullable: false),
+                    Unit = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: false),
+                    TotalQuota = table.Column<decimal>(type: "decimal(18,2)", precision: 18, scale: 2, nullable: false),
+                    CreatedByUnitId = table.Column<int>(type: "int", nullable: false),
+                    CreatedAt = table.Column<DateTime>(type: "datetime2", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_MaterialAllocations", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_MaterialAllocations_OrganizationalUnits_CreatedByUnitId",
+                        column: x => x.CreatedByUnitId,
+                        principalTable: "OrganizationalUnits",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Restrict);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Personnel",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: false),
+                    PhotoPath = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    Position = table.Column<string>(type: "nvarchar(100)", maxLength: 100, nullable: false),
+                    Rank = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: false),
+                    Gender = table.Column<string>(type: "nvarchar(10)", maxLength: 10, nullable: false),
+                    IdNumber = table.Column<string>(type: "nvarchar(18)", maxLength: 18, nullable: false),
+                    ProfessionalTitle = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    EducationLevel = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    Age = table.Column<int>(type: "int", nullable: false),
+                    Height = table.Column<decimal>(type: "decimal(5,2)", precision: 5, scale: 2, nullable: true),
+                    ContactInfo = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    Hometown = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    TrainingParticipation = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    Achievements = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    SupportingDocuments = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    SubmittedByUnitId = table.Column<int>(type: "int", nullable: false),
+                    ApprovedLevel = table.Column<int>(type: "int", nullable: true),
+                    ApprovedByUnitId = table.Column<int>(type: "int", nullable: true),
+                    Status = table.Column<int>(type: "int", nullable: false),
+                    SubmittedAt = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    ApprovedAt = table.Column<DateTime>(type: "datetime2", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Personnel", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Personnel_OrganizationalUnits_ApprovedByUnitId",
+                        column: x => x.ApprovedByUnitId,
+                        principalTable: "OrganizationalUnits",
+                        principalColumn: "Id");
+                    table.ForeignKey(
+                        name: "FK_Personnel_OrganizationalUnits_SubmittedByUnitId",
+                        column: x => x.SubmittedByUnitId,
+                        principalTable: "OrganizationalUnits",
+                        principalColumn: "Id");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "UserAccounts",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Username = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: false),
+                    PasswordHash = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    DisplayName = table.Column<string>(type: "nvarchar(100)", maxLength: 100, nullable: false),
+                    OrganizationalUnitId = table.Column<int>(type: "int", nullable: false),
+                    IsActive = table.Column<bool>(type: "bit", nullable: false),
+                    CreatedAt = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    LastLoginAt = table.Column<DateTime>(type: "datetime2", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_UserAccounts", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_UserAccounts_OrganizationalUnits_OrganizationalUnitId",
+                        column: x => x.OrganizationalUnitId,
+                        principalTable: "OrganizationalUnits",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Restrict);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AllocationDistributions",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    AllocationId = table.Column<int>(type: "int", nullable: false),
+                    TargetUnitId = table.Column<int>(type: "int", nullable: false),
+                    UnitQuota = table.Column<decimal>(type: "decimal(18,2)", precision: 18, scale: 2, nullable: false),
+                    ActualCompletion = table.Column<decimal>(type: "decimal(18,2)", precision: 18, scale: 2, nullable: true),
+                    ReportedAt = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    ReportedByUserId = table.Column<int>(type: "int", nullable: true),
+                    IsApproved = table.Column<bool>(type: "bit", nullable: false),
+                    ApprovedAt = table.Column<DateTime>(type: "datetime2", nullable: true),
+                    ApprovedByUserId = table.Column<int>(type: "int", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AllocationDistributions", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_AllocationDistributions_MaterialAllocations_AllocationId",
+                        column: x => x.AllocationId,
+                        principalTable: "MaterialAllocations",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_AllocationDistributions_OrganizationalUnits_TargetUnitId",
+                        column: x => x.TargetUnitId,
+                        principalTable: "OrganizationalUnits",
+                        principalColumn: "Id");
+                    table.ForeignKey(
+                        name: "FK_AllocationDistributions_UserAccounts_ApprovedByUserId",
+                        column: x => x.ApprovedByUserId,
+                        principalTable: "UserAccounts",
+                        principalColumn: "Id");
+                    table.ForeignKey(
+                        name: "FK_AllocationDistributions_UserAccounts_ReportedByUserId",
+                        column: x => x.ReportedByUserId,
+                        principalTable: "UserAccounts",
+                        principalColumn: "Id");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ApprovalRequests",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Type = table.Column<int>(type: "int", nullable: false),
+                    TargetEntityId = table.Column<int>(type: "int", nullable: false),
+                    RequestedByUserId = table.Column<int>(type: "int", nullable: false),
+                    RequestedByUnitId = table.Column<int>(type: "int", nullable: false),
+                    Reason = table.Column<string>(type: "nvarchar(500)", maxLength: 500, nullable: false),
+                    OriginalData = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    RequestedChanges = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Status = table.Column<int>(type: "int", nullable: false),
+                    ReviewedByUserId = table.Column<int>(type: "int", nullable: true),
+                    ReviewComments = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    RequestedAt = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    ReviewedAt = table.Column<DateTime>(type: "datetime2", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ApprovalRequests", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ApprovalRequests_OrganizationalUnits_RequestedByUnitId",
+                        column: x => x.RequestedByUnitId,
+                        principalTable: "OrganizationalUnits",
+                        principalColumn: "Id");
+                    table.ForeignKey(
+                        name: "FK_ApprovalRequests_UserAccounts_RequestedByUserId",
+                        column: x => x.RequestedByUserId,
+                        principalTable: "UserAccounts",
+                        principalColumn: "Id");
+                    table.ForeignKey(
+                        name: "FK_ApprovalRequests_UserAccounts_ReviewedByUserId",
+                        column: x => x.ReviewedByUserId,
+                        principalTable: "UserAccounts",
+                        principalColumn: "Id");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AuditLogs",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    EntityType = table.Column<string>(type: "nvarchar(100)", maxLength: 100, nullable: false),
+                    EntityId = table.Column<int>(type: "int", nullable: false),
+                    Action = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: false),
+                    Description = table.Column<string>(type: "nvarchar(500)", maxLength: 500, nullable: true),
+                    OldValues = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    NewValues = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    ChangedFields = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    UserId = table.Column<int>(type: "int", nullable: true),
+                    OrganizationalUnitId = table.Column<int>(type: "int", nullable: true),
+                    Timestamp = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    IpAddress = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: true),
+                    UserAgent = table.Column<string>(type: "nvarchar(500)", maxLength: 500, nullable: true),
+                    RequestPath = table.Column<string>(type: "nvarchar(500)", maxLength: 500, nullable: true),
+                    IsSuccess = table.Column<bool>(type: "bit", nullable: false),
+                    ErrorMessage = table.Column<string>(type: "nvarchar(2000)", maxLength: 2000, nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AuditLogs", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_AuditLogs_OrganizationalUnits_OrganizationalUnitId",
+                        column: x => x.OrganizationalUnitId,
+                        principalTable: "OrganizationalUnits",
+                        principalColumn: "Id");
+                    table.ForeignKey(
+                        name: "FK_AuditLogs_UserAccounts_UserId",
+                        column: x => x.UserId,
+                        principalTable: "UserAccounts",
+                        principalColumn: "Id");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "PersonnelApprovalHistories",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    PersonnelId = table.Column<int>(type: "int", nullable: false),
+                    Action = table.Column<int>(type: "int", nullable: false),
+                    PreviousStatus = table.Column<int>(type: "int", nullable: true),
+                    NewStatus = table.Column<int>(type: "int", nullable: false),
+                    PreviousLevel = table.Column<int>(type: "int", nullable: true),
+                    NewLevel = table.Column<int>(type: "int", nullable: true),
+                    ReviewedByUserId = table.Column<int>(type: "int", nullable: false),
+                    ReviewedByUnitId = table.Column<int>(type: "int", nullable: true),
+                    Comments = table.Column<string>(type: "nvarchar(max)", nullable: true),
+                    ReviewedAt = table.Column<DateTime>(type: "datetime2", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PersonnelApprovalHistories", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_PersonnelApprovalHistories_OrganizationalUnits_ReviewedByUnitId",
+                        column: x => x.ReviewedByUnitId,
+                        principalTable: "OrganizationalUnits",
+                        principalColumn: "Id");
+                    table.ForeignKey(
+                        name: "FK_PersonnelApprovalHistories_Personnel_PersonnelId",
+                        column: x => x.PersonnelId,
+                        principalTable: "Personnel",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_PersonnelApprovalHistories_UserAccounts_ReviewedByUserId",
+                        column: x => x.ReviewedByUserId,
+                        principalTable: "UserAccounts",
+                        principalColumn: "Id");
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AllocationDistributions_AllocationId",
+                table: "AllocationDistributions",
+                column: "AllocationId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AllocationDistributions_ApprovedByUserId",
+                table: "AllocationDistributions",
+                column: "ApprovedByUserId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AllocationDistributions_ReportedByUserId",
+                table: "AllocationDistributions",
+                column: "ReportedByUserId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AllocationDistributions_TargetUnitId",
+                table: "AllocationDistributions",
+                column: "TargetUnitId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ApprovalRequests_RequestedByUnitId",
+                table: "ApprovalRequests",
+                column: "RequestedByUnitId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ApprovalRequests_RequestedByUserId",
+                table: "ApprovalRequests",
+                column: "RequestedByUserId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ApprovalRequests_ReviewedByUserId",
+                table: "ApprovalRequests",
+                column: "ReviewedByUserId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AuditLogs_Action",
+                table: "AuditLogs",
+                column: "Action");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AuditLogs_EntityId",
+                table: "AuditLogs",
+                column: "EntityId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AuditLogs_EntityType",
+                table: "AuditLogs",
+                column: "EntityType");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AuditLogs_OrganizationalUnitId",
+                table: "AuditLogs",
+                column: "OrganizationalUnitId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AuditLogs_Timestamp",
+                table: "AuditLogs",
+                column: "Timestamp");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AuditLogs_UserId",
+                table: "AuditLogs",
+                column: "UserId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_MaterialAllocations_CreatedByUnitId",
+                table: "MaterialAllocations",
+                column: "CreatedByUnitId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_MaterialCategories_Name",
+                table: "MaterialCategories",
+                column: "Name",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_OrganizationalUnits_ParentId",
+                table: "OrganizationalUnits",
+                column: "ParentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Personnel_ApprovedByUnitId",
+                table: "Personnel",
+                column: "ApprovedByUnitId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Personnel_IdNumber",
+                table: "Personnel",
+                column: "IdNumber",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Personnel_SubmittedByUnitId",
+                table: "Personnel",
+                column: "SubmittedByUnitId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PersonnelApprovalHistories_PersonnelId",
+                table: "PersonnelApprovalHistories",
+                column: "PersonnelId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PersonnelApprovalHistories_ReviewedByUnitId",
+                table: "PersonnelApprovalHistories",
+                column: "ReviewedByUnitId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PersonnelApprovalHistories_ReviewedByUserId",
+                table: "PersonnelApprovalHistories",
+                column: "ReviewedByUserId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_UserAccounts_OrganizationalUnitId",
+                table: "UserAccounts",
+                column: "OrganizationalUnitId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_UserAccounts_Username",
+                table: "UserAccounts",
+                column: "Username",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "AllocationDistributions");
+
+            migrationBuilder.DropTable(
+                name: "ApprovalRequests");
+
+            migrationBuilder.DropTable(
+                name: "AuditLogs");
+
+            migrationBuilder.DropTable(
+                name: "MaterialCategories");
+
+            migrationBuilder.DropTable(
+                name: "PersonnelApprovalHistories");
+
+            migrationBuilder.DropTable(
+                name: "MaterialAllocations");
+
+            migrationBuilder.DropTable(
+                name: "Personnel");
+
+            migrationBuilder.DropTable(
+                name: "UserAccounts");
+
+            migrationBuilder.DropTable(
+                name: "OrganizationalUnits");
+        }
+    }
+}

src/MilitaryTrainingManagement/Migrations/ApplicationDbContextModelSnapshot.cs

@@ -0,0 +1,669 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using MilitaryTrainingManagement.Data;
+
+#nullable disable
+
+namespace MilitaryTrainingManagement.Migrations
+{
+    [DbContext(typeof(ApplicationDbContext))]
+    partial class ApplicationDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.AllocationDistribution", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<decimal?>("ActualCompletion")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("decimal(18,2)");
+
+                    b.Property<int>("AllocationId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("ApprovedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("ApprovedByUserId")
+                        .HasColumnType("int");
+
+                    b.Property<bool>("IsApproved")
+                        .HasColumnType("bit");
+
+                    b.Property<DateTime?>("ReportedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("ReportedByUserId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("TargetUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("UnitQuota")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("decimal(18,2)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AllocationId");
+
+                    b.HasIndex("ApprovedByUserId");
+
+                    b.HasIndex("ReportedByUserId");
+
+                    b.HasIndex("TargetUnitId");
+
+                    b.ToTable("AllocationDistributions");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.ApprovalRequest", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("OriginalData")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)");
+
+                    b.Property<DateTime>("RequestedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("RequestedByUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("RequestedByUserId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("RequestedChanges")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("ReviewComments")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime?>("ReviewedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("ReviewedByUserId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<int>("TargetEntityId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Type")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RequestedByUnitId");
+
+                    b.HasIndex("RequestedByUserId");
+
+                    b.HasIndex("ReviewedByUserId");
+
+                    b.ToTable("ApprovalRequests");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.AuditLog", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Action")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<string>("ChangedFields")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)");
+
+                    b.Property<int>("EntityId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("EntityType")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<string>("ErrorMessage")
+                        .HasMaxLength(2000)
+                        .HasColumnType("nvarchar(2000)");
+
+                    b.Property<string>("IpAddress")
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<bool>("IsSuccess")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("NewValues")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("OldValues")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int?>("OrganizationalUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("RequestPath")
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)");
+
+                    b.Property<DateTime>("Timestamp")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("UserAgent")
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)");
+
+                    b.Property<int?>("UserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Action");
+
+                    b.HasIndex("EntityId");
+
+                    b.HasIndex("EntityType");
+
+                    b.HasIndex("OrganizationalUnitId");
+
+                    b.HasIndex("Timestamp");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("AuditLogs");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.MaterialAllocation", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("CreatedByUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("MaterialName")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("nvarchar(200)");
+
+                    b.Property<decimal>("TotalQuota")
+                        .HasPrecision(18, 2)
+                        .HasColumnType("decimal(18,2)");
+
+                    b.Property<string>("Unit")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedByUnitId");
+
+                    b.ToTable("MaterialAllocations");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.MaterialCategory", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(200)
+                        .HasColumnType("nvarchar(200)");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<int>("SortOrder")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Name")
+                        .IsUnique();
+
+                    b.ToTable("MaterialCategories");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("Level")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<int?>("ParentId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ParentId");
+
+                    b.ToTable("OrganizationalUnits");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.Personnel", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Achievements")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Age")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime?>("ApprovedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("ApprovedByUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("ApprovedLevel")
+                        .HasColumnType("int");
+
+                    b.Property<string>("ContactInfo")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("EducationLevel")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Gender")
+                        .IsRequired()
+                        .HasMaxLength(10)
+                        .HasColumnType("nvarchar(10)");
+
+                    b.Property<decimal?>("Height")
+                        .HasPrecision(5, 2)
+                        .HasColumnType("decimal(5,2)");
+
+                    b.Property<string>("Hometown")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("IdNumber")
+                        .IsRequired()
+                        .HasMaxLength(18)
+                        .HasColumnType("nvarchar(18)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<string>("PhotoPath")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Position")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<string>("ProfessionalTitle")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Rank")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("SubmittedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("SubmittedByUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("SupportingDocuments")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("TrainingParticipation")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ApprovedByUnitId");
+
+                    b.HasIndex("IdNumber")
+                        .IsUnique();
+
+                    b.HasIndex("SubmittedByUnitId");
+
+                    b.ToTable("Personnel");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.PersonnelApprovalHistory", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Action")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Comments")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int?>("NewLevel")
+                        .HasColumnType("int");
+
+                    b.Property<int>("NewStatus")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PersonnelId")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("PreviousLevel")
+                        .HasColumnType("int");
+
+                    b.Property<int?>("PreviousStatus")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("ReviewedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("ReviewedByUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ReviewedByUserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PersonnelId");
+
+                    b.HasIndex("ReviewedByUnitId");
+
+                    b.HasIndex("ReviewedByUserId");
+
+                    b.ToTable("PersonnelApprovalHistories");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.UserAccount", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("bit");
+
+                    b.Property<DateTime?>("LastLoginAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("OrganizationalUnitId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Username")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OrganizationalUnitId");
+
+                    b.HasIndex("Username")
+                        .IsUnique();
+
+                    b.ToTable("UserAccounts");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.AllocationDistribution", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.MaterialAllocation", "Allocation")
+                        .WithMany("Distributions")
+                        .HasForeignKey("AllocationId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.UserAccount", "ApprovedByUser")
+                        .WithMany()
+                        .HasForeignKey("ApprovedByUserId")
+                        .OnDelete(DeleteBehavior.NoAction);
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.UserAccount", "ReportedByUser")
+                        .WithMany()
+                        .HasForeignKey("ReportedByUserId")
+                        .OnDelete(DeleteBehavior.NoAction);
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "TargetUnit")
+                        .WithMany()
+                        .HasForeignKey("TargetUnitId")
+                        .OnDelete(DeleteBehavior.NoAction)
+                        .IsRequired();
+
+                    b.Navigation("Allocation");
+
+                    b.Navigation("ApprovedByUser");
+
+                    b.Navigation("ReportedByUser");
+
+                    b.Navigation("TargetUnit");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.ApprovalRequest", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "RequestedByUnit")
+                        .WithMany()
+                        .HasForeignKey("RequestedByUnitId")
+                        .OnDelete(DeleteBehavior.NoAction)
+                        .IsRequired();
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.UserAccount", "RequestedByUser")
+                        .WithMany()
+                        .HasForeignKey("RequestedByUserId")
+                        .OnDelete(DeleteBehavior.NoAction)
+                        .IsRequired();
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.UserAccount", "ReviewedByUser")
+                        .WithMany()
+                        .HasForeignKey("ReviewedByUserId")
+                        .OnDelete(DeleteBehavior.NoAction);
+
+                    b.Navigation("RequestedByUnit");
+
+                    b.Navigation("RequestedByUser");
+
+                    b.Navigation("ReviewedByUser");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.AuditLog", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "OrganizationalUnit")
+                        .WithMany()
+                        .HasForeignKey("OrganizationalUnitId")
+                        .OnDelete(DeleteBehavior.NoAction);
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.UserAccount", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.NoAction);
+
+                    b.Navigation("OrganizationalUnit");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.MaterialAllocation", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "CreatedByUnit")
+                        .WithMany()
+                        .HasForeignKey("CreatedByUnitId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.Navigation("CreatedByUnit");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "Parent")
+                        .WithMany("Children")
+                        .HasForeignKey("ParentId")
+                        .OnDelete(DeleteBehavior.Restrict);
+
+                    b.Navigation("Parent");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.Personnel", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "ApprovedByUnit")
+                        .WithMany()
+                        .HasForeignKey("ApprovedByUnitId")
+                        .OnDelete(DeleteBehavior.NoAction);
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "SubmittedByUnit")
+                        .WithMany()
+                        .HasForeignKey("SubmittedByUnitId")
+                        .OnDelete(DeleteBehavior.NoAction)
+                        .IsRequired();
+
+                    b.Navigation("ApprovedByUnit");
+
+                    b.Navigation("SubmittedByUnit");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.PersonnelApprovalHistory", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.Personnel", "Personnel")
+                        .WithMany()
+                        .HasForeignKey("PersonnelId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "ReviewedByUnit")
+                        .WithMany()
+                        .HasForeignKey("ReviewedByUnitId")
+                        .OnDelete(DeleteBehavior.NoAction);
+
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.UserAccount", "ReviewedByUser")
+                        .WithMany()
+                        .HasForeignKey("ReviewedByUserId")
+                        .OnDelete(DeleteBehavior.NoAction)
+                        .IsRequired();
+
+                    b.Navigation("Personnel");
+
+                    b.Navigation("ReviewedByUnit");
+
+                    b.Navigation("ReviewedByUser");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.UserAccount", b =>
+                {
+                    b.HasOne("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", "OrganizationalUnit")
+                        .WithMany("Accounts")
+                        .HasForeignKey("OrganizationalUnitId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.Navigation("OrganizationalUnit");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.MaterialAllocation", b =>
+                {
+                    b.Navigation("Distributions");
+                });
+
+            modelBuilder.Entity("MilitaryTrainingManagement.Models.Entities.OrganizationalUnit", b =>
+                {
+                    b.Navigation("Accounts");
+
+                    b.Navigation("Children");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

src/MilitaryTrainingManagement/Models/DTOs/MaterialCategoryDTOs.cs

@@ -0,0 +1,35 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace MilitaryTrainingManagement.Models.DTOs;
+
+/// <summary>
+/// 创建物资类别请求
+/// </summary>
+public class CreateMaterialCategoryRequest
+{
+    [Required(ErrorMessage = "类别名称不能为空")]
+    [StringLength(50, ErrorMessage = "类别名称长度不能超过50个字符")]
+    public string Name { get; set; } = string.Empty;
+    
+    [StringLength(200, ErrorMessage = "描述长度不能超过200个字符")]
+    public string? Description { get; set; }
+    
+    public int SortOrder { get; set; }
+}
+
+/// <summary>
+/// 更新物资类别请求
+/// </summary>
+public class UpdateMaterialCategoryRequest
+{
+    [Required(ErrorMessage = "类别名称不能为空")]
+    [StringLength(50, ErrorMessage = "类别名称长度不能超过50个字符")]
+    public string Name { get; set; } = string.Empty;
+    
+    [StringLength(200, ErrorMessage = "描述长度不能超过200个字符")]
+    public string? Description { get; set; }
+    
+    public int SortOrder { get; set; }
+    
+    public bool IsActive { get; set; }
+}

src/MilitaryTrainingManagement/Models/Entities/MaterialCategory.cs

@@ -0,0 +1,34 @@
+namespace MilitaryTrainingManagement.Models.Entities;
+
+/// <summary>
+/// 物资类别
+/// </summary>
+public class MaterialCategory
+{
+    public int Id { get; set; }
+    
+    /// <summary>
+    /// 类别名称
+    /// </summary>
+    public string Name { get; set; } = string.Empty;
+    
+    /// <summary>
+    /// 类别描述
+    /// </summary>
+    public string? Description { get; set; }
+    
+    /// <summary>
+    /// 是否启用
+    /// </summary>
+    public bool IsActive { get; set; } = true;
+    
+    /// <summary>
+    /// 创建时间
+    /// </summary>
+    public DateTime CreatedAt { get; set; }
+    
+    /// <summary>
+    /// 排序顺序
+    /// </summary>
+    public int SortOrder { get; set; }
+}

src/MilitaryTrainingManagement/Program.cs

@@ -158,6 +158,73 @@ using (var scope = app.Services.CreateScope())
 
     // 确保数据库已创建
     context.Database.EnsureCreated();
+    
+    // 手动创建 MaterialCategories 表（如果不存在）
+    try
+    {
+        var tableExists = context.Database.ExecuteSqlRaw(@"
+            IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'MaterialCategories')
+            BEGIN
+                CREATE TABLE MaterialCategories (
+                    Id INT PRIMARY KEY IDENTITY(1,1),
+                    Name NVARCHAR(50) NOT NULL,
+                    Description NVARCHAR(200),
+                    IsActive BIT NOT NULL DEFAULT 1,
+                    CreatedAt DATETIME2 NOT NULL,
+                    SortOrder INT NOT NULL DEFAULT 0
+                );
+                CREATE UNIQUE INDEX IX_MaterialCategories_Name ON MaterialCategories(Name);
+            END
+        ");
+        Console.WriteLine("MaterialCategories 表检查完成");
+    }
+    catch (Exception ex)
+    {
+        Console.WriteLine($"创建 MaterialCategories 表时出错: {ex.Message}");
+    }
+
+    // 如果没有物资类别，创建默认类别
+    if (!context.MaterialCategories.Any())
+    {
+        var categories = new[]
+        {
+            new MilitaryTrainingManagement.Models.Entities.MaterialCategory
+            {
+                Name = "弹药",
+                Description = "各类训练弹药",
+                IsActive = true,
+                SortOrder = 1,
+                CreatedAt = DateTime.UtcNow
+            },
+            new MilitaryTrainingManagement.Models.Entities.MaterialCategory
+            {
+                Name = "装备",
+                Description = "训练装备器材",
+                IsActive = true,
+                SortOrder = 2,
+                CreatedAt = DateTime.UtcNow
+            },
+            new MilitaryTrainingManagement.Models.Entities.MaterialCategory
+            {
+                Name = "物资",
+                Description = "训练保障物资",
+                IsActive = true,
+                SortOrder = 3,
+                CreatedAt = DateTime.UtcNow
+            },
+            new MilitaryTrainingManagement.Models.Entities.MaterialCategory
+            {
+                Name = "器材",
+                Description = "训练辅助器材",
+                IsActive = true,
+                SortOrder = 4,
+                CreatedAt = DateTime.UtcNow
+            }
+        };
+        context.MaterialCategories.AddRange(categories);
+        await context.SaveChangesAsync();
+        Console.WriteLine("默认物资类别已创建！");
+    }
 
     // 如果没有组织单位，创建种子数据
     if (!context.OrganizationalUnits.Any())

src/MilitaryTrainingManagement/Services/Implementations/AllocationService.cs

@@ -112,7 +112,7 @@ public class AllocationService : IAllocationService
             throw new ArgumentException("单位配额不能为负数");
 
         if (!await ValidateDistributionQuotasAsync(totalQuota, distributions))
-            throw new ArgumentException("分配配额总和超过总配额指标");
+            throw new ArgumentException("有配额未分配，无法提交");
 
         // 验证目标单位存在
         if (!await ValidateTargetUnitsExistAsync(distributions.Keys))
@@ -203,7 +203,7 @@ public class AllocationService : IAllocationService
             throw new ArgumentException("单位配额不能为负数");
 
         if (!await ValidateDistributionQuotasAsync(allocation.TotalQuota, distributions))
-            throw new ArgumentException("分配配额总和超过总配额指标");
+            throw new ArgumentException("有配额未分配，无法提交");
 
         // 验证目标单位存在
         if (!await ValidateTargetUnitsExistAsync(distributions.Keys))
@@ -242,10 +242,10 @@ public class AllocationService : IAllocationService
     public Task<bool> ValidateDistributionQuotasAsync(decimal totalQuota, Dictionary<int, decimal> distributions)
     {
         if (distributions == null || distributions.Count == 0)
-            return Task.FromResult(true);
+            return Task.FromResult(false); // 必须有分配
 
         var sum = distributions.Values.Sum();
-        return Task.FromResult(sum <= totalQuota);
+        return Task.FromResult(sum == totalQuota); // 必须完全分配，不能多也不能少
     }
 
     public async Task<bool> ValidateTargetUnitsExistAsync(IEnumerable<int> targetUnitIds)

src/frontend/src/api/index.ts

@@ -1,6 +1,7 @@
 export { authApi } from './auth'
 export { organizationsApi } from './organizations'
 export { allocationsApi } from './allocations'
+export { materialCategoriesApi } from './materialCategories'
 export { reportsApi } from './reports'
 export { personnelApi } from './personnel'
 export { approvalsApi } from './approvals'

src/frontend/src/api/materialCategories.ts

@@ -0,0 +1,51 @@
+import apiClient from './client'
+
+export interface MaterialCategory {
+  id: number
+  name: string
+  description?: string
+  isActive: boolean
+  createdAt: string
+  sortOrder: number
+}
+
+export interface CreateMaterialCategoryRequest {
+  name: string
+  description?: string
+  sortOrder: number
+}
+
+export interface UpdateMaterialCategoryRequest {
+  name: string
+  description?: string
+  sortOrder: number
+  isActive: boolean
+}
+
+export const materialCategoriesApi = {
+  async getAll(activeOnly: boolean = true): Promise<MaterialCategory[]> {
+    const response = await apiClient.get<MaterialCategory[]>('/materialcategories', {
+      params: { activeOnly }
+    })
+    return response.data
+  },
+
+  async getById(id: number): Promise<MaterialCategory> {
+    const response = await apiClient.get<MaterialCategory>(`/materialcategories/${id}`)
+    return response.data
+  },
+
+  async create(data: CreateMaterialCategoryRequest): Promise<MaterialCategory> {
+    const response = await apiClient.post<MaterialCategory>('/materialcategories', data)
+    return response.data
+  },
+
+  async update(id: number, data: UpdateMaterialCategoryRequest): Promise<MaterialCategory> {
+    const response = await apiClient.put<MaterialCategory>(`/materialcategories/${id}`, data)
+    return response.data
+  },
+
+  async delete(id: number): Promise<void> {
+    await apiClient.delete(`/materialcategories/${id}`)
+  }
+}

src/frontend/src/router/index.ts

@@ -35,6 +35,12 @@ const routes: RouteRecordRaw[] = [
         component: () => import('@/views/allocations/AllocationList.vue'),
         meta: { title: '物资配额' }
       },
+      {
+        path: 'allocations/categories',
+        name: 'MaterialCategories',
+        component: () => import('@/views/allocations/MaterialCategoryManagement.vue'),
+        meta: { title: '物资类别管理', minLevel: 1 }
+      },
       {
         path: 'allocations/create',
         name: 'AllocationCreate',

src/frontend/src/views/allocations/AllocationForm.vue

@@ -7,7 +7,14 @@
       
       <el-form ref="formRef" :model="form" :rules="rules" label-width="120px" v-loading="loading">
         <el-form-item label="物资类别" prop="category">
-          <el-input v-model="form.category" placeholder="请输入物资类别" />
+          <el-select v-model="form.category" placeholder="请选择物资类别" style="width: 100%">
+            <el-option
+              v-for="cat in categories"
+              :key="cat.id"
+              :label="cat.name"
+              :value="cat.name"
+            />
+          </el-select>
         </el-form-item>
         <el-form-item label="物资名称" prop="materialName">
           <el-input v-model="form.materialName" placeholder="请输入物资名称" />
@@ -64,9 +71,10 @@ import { ref, reactive, computed, onMounted } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { ElMessage, FormInstance, FormRules } from 'element-plus'
 import { Plus, Delete } from '@element-plus/icons-vue'
-import { allocationsApi, organizationsApi } from '@/api'
+import { allocationsApi, organizationsApi, materialCategoriesApi } from '@/api'
 import { useAuthStore } from '@/stores/auth'
 import type { OrganizationalUnit, DistributionRequest } from '@/types'
+import type { MaterialCategory } from '@/api/materialCategories'
 
 const route = useRoute()
 const router = useRouter()
@@ -77,6 +85,7 @@ const formRef = ref<FormInstance>()
 const loading = ref(false)
 const saving = ref(false)
 const subordinateUnits = ref<OrganizationalUnit[]>([])
+const categories = ref<MaterialCategory[]>([])
 
 const form = reactive({
   category: '',
@@ -114,6 +123,14 @@ async function loadSubordinateUnits() {
   }
 }
 
+async function loadCategories() {
+  try {
+    categories.value = await materialCategoriesApi.getAll(true) // 只加载启用的类别
+  } catch {
+    ElMessage.error('加载物资类别失败')
+  }
+}
+
 async function loadAllocation() {
   if (!isEdit.value) return
   
@@ -146,6 +163,11 @@ async function handleSubmit() {
       return
     }
     
+    if (distributedTotal.value < form.totalQuota) {
+      ElMessage.error('有配额未分配，无法提交')
+      return
+    }
+    
     saving.value = true
     try {
       if (isEdit.value) {
@@ -178,6 +200,7 @@ async function handleSubmit() {
 
 onMounted(() => {
   loadSubordinateUnits()
+  loadCategories()
   loadAllocation()
 })
 </script>

src/frontend/src/views/allocations/AllocationList.vue

@@ -26,6 +26,10 @@
               <el-option label="物资" value="物资" />
               <el-option label="器材" value="器材" />
             </el-select>
+            <el-button v-if="authStore.canCreateAllocations" @click="$router.push('/allocations/categories')">
+              <el-icon><Setting /></el-icon>
+              类别管理
+            </el-button>
             <el-button v-if="authStore.canCreateAllocations" type="primary" @click="$router.push('/allocations/create')">
               <el-icon><Plus /></el-icon>
               创建配额
@@ -208,7 +212,7 @@
 import { ref, reactive, computed, onMounted } from 'vue'
 import { useRouter } from 'vue-router'
 import { ElMessage, ElMessageBox } from 'element-plus'
-import { Plus, Search, View, Edit, Delete, Box } from '@element-plus/icons-vue'
+import { Plus, Search, View, Edit, Delete, Box, Setting } from '@element-plus/icons-vue'
 import { useAuthStore } from '@/stores/auth'
 import { allocationsApi } from '@/api'
 import type { MaterialAllocation, AllocationDistribution } from '@/types'

src/frontend/src/views/allocations/MaterialCategoryManagement.vue

@@ -0,0 +1,191 @@
+<template>
+  <div class="material-category-management">
+    <el-card>
+      <template #header>
+        <div class="card-header">
+          <span>物资类别管理</span>
+          <el-button type="primary" @click="handleAdd">
+            <el-icon><Plus /></el-icon>
+            添加类别
+          </el-button>
+        </div>
+      </template>
+      
+      <el-table :data="categories" v-loading="loading">
+        <el-table-column prop="name" label="类别名称" min-width="150" />
+        <el-table-column prop="description" label="描述" min-width="200" show-overflow-tooltip />
+        <el-table-column prop="sortOrder" label="排序" width="100" align="center" />
+        <el-table-column prop="isActive" label="状态" width="100" align="center">
+          <template #default="{ row }">
+            <el-tag :type="row.isActive ? 'success' : 'info'" size="small">
+              {{ row.isActive ? '启用' : '禁用' }}
+            </el-tag>
+          </template>
+        </el-table-column>
+        <el-table-column prop="createdAt" label="创建时间" width="160">
+          <template #default="{ row }">
+            {{ formatDate(row.createdAt) }}
+          </template>
+        </el-table-column>
+        <el-table-column label="操作" width="180" fixed="right">
+          <template #default="{ row }">
+            <el-button type="primary" text size="small" @click="handleEdit(row)">编辑</el-button>
+            <el-button type="danger" text size="small" @click="handleDelete(row)">删除</el-button>
+          </template>
+        </el-table-column>
+      </el-table>
+    </el-card>
+    
+    <!-- Create/Edit Dialog -->
+    <el-dialog v-model="showDialog" :title="dialogTitle" width="500px">
+      <el-form ref="formRef" :model="form" :rules="rules" label-width="100px">
+        <el-form-item label="类别名称" prop="name">
+          <el-input v-model="form.name" placeholder="请输入类别名称" maxlength="50" show-word-limit />
+        </el-form-item>
+        <el-form-item label="描述" prop="description">
+          <el-input 
+            v-model="form.description" 
+            type="textarea" 
+            :rows="3" 
+            placeholder="请输入类别描述（可选）"
+            maxlength="200"
+            show-word-limit
+          />
+        </el-form-item>
+        <el-form-item label="排序" prop="sortOrder">
+          <el-input-number v-model="form.sortOrder" :min="0" :max="9999" />
+        </el-form-item>
+        <el-form-item label="状态" prop="isActive" v-if="editingCategory">
+          <el-switch v-model="form.isActive" active-text="启用" inactive-text="禁用" />
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="showDialog = false">取消</el-button>
+        <el-button type="primary" :loading="saving" @click="handleSave">保存</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, reactive, computed, onMounted } from 'vue'
+import { ElMessage, ElMessageBox, FormInstance, FormRules } from 'element-plus'
+import { Plus } from '@element-plus/icons-vue'
+import { materialCategoriesApi } from '@/api'
+import type { MaterialCategory } from '@/api/materialCategories'
+
+const loading = ref(false)
+const saving = ref(false)
+const showDialog = ref(false)
+const categories = ref<MaterialCategory[]>([])
+const editingCategory = ref<MaterialCategory | null>(null)
+const formRef = ref<FormInstance>()
+
+const form = reactive({
+  name: '',
+  description: '',
+  sortOrder: 0,
+  isActive: true
+})
+
+const dialogTitle = computed(() => editingCategory.value ? '编辑类别' : '添加类别')
+
+const rules: FormRules = {
+  name: [{ required: true, message: '请输入类别名称', trigger: 'blur' }],
+  sortOrder: [{ required: true, message: '请输入排序', trigger: 'blur' }]
+}
+
+function formatDate(dateStr: string): string {
+  return new Date(dateStr).toLocaleString('zh-CN')
+}
+
+async function loadCategories() {
+  loading.value = true
+  try {
+    categories.value = await materialCategoriesApi.getAll(false) // 加载所有类别，包括禁用的
+  } catch {
+    ElMessage.error('加载类别列表失败')
+  } finally {
+    loading.value = false
+  }
+}
+
+function handleAdd() {
+  editingCategory.value = null
+  form.name = ''
+  form.description = ''
+  form.sortOrder = 0
+  form.isActive = true
+  showDialog.value = true
+}
+
+function handleEdit(category: MaterialCategory) {
+  editingCategory.value = category
+  form.name = category.name
+  form.description = category.description || ''
+  form.sortOrder = category.sortOrder
+  form.isActive = category.isActive
+  showDialog.value = true
+}
+
+async function handleDelete(category: MaterialCategory) {
+  try {
+    await ElMessageBox.confirm(`确定要删除类别"${category.name}"吗？`, '确认删除', {
+      type: 'warning'
+    })
+    await materialCategoriesApi.delete(category.id)
+    ElMessage.success('删除成功')
+    await loadCategories()
+  } catch (error: any) {
+    if (error !== 'cancel') {
+      ElMessage.error(error.response?.data?.message || '删除失败')
+    }
+  }
+}
+
+async function handleSave() {
+  if (!formRef.value) return
+  
+  await formRef.value.validate(async (valid) => {
+    if (!valid) return
+    
+    saving.value = true
+    try {
+      if (editingCategory.value) {
+        await materialCategoriesApi.update(editingCategory.value.id, {
+          name: form.name,
+          description: form.description || undefined,
+          sortOrder: form.sortOrder,
+          isActive: form.isActive
+        })
+        ElMessage.success('更新成功')
+      } else {
+        await materialCategoriesApi.create({
+          name: form.name,
+          description: form.description || undefined,
+          sortOrder: form.sortOrder
+        })
+        ElMessage.success('创建成功')
+      }
+      showDialog.value = false
+      await loadCategories()
+    } catch (error: any) {
+      ElMessage.error(error.response?.data?.message || '操作失败')
+    } finally {
+      saving.value = false
+    }
+  })
+}
+
+onMounted(() => {
+  loadCategories()
+})
+</script>
+
+<style scoped>
+.card-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+</style>