From fdf4fc7eca8c0bdbf8d2bf65a7a2548cd35479a0 Mon Sep 17 00:00:00 2001
From: zpc <zpc1131@gamil.com>
Date: Mon, 23 Feb 2026 13:13:51 +0800
Subject: [PATCH] =?UTF-8?q?fix(content):=20=E4=BF=AE=E5=A4=8D=E5=AF=BC?=
 =?UTF-8?q?=E8=88=AA=E5=88=97=E8=A1=A8=E6=9F=A5=E8=AF=A2EF=20Core=20LINQ?=
 =?UTF-8?q?=E7=BF=BB=E8=AF=91=E9=94=99=E8=AF=AF?=
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- 将Dictionary.ContainsKey()从Select投影中移出
- 改为查询后在内存中映射StatusName
- 添加GetNavigationStatusName辅助方法
---
 .../Services/ContentService.cs                | 21 +++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/server/MiAssessment/src/MiAssessment.Admin.Business/Services/ContentService.cs b/server/MiAssessment/src/MiAssessment.Admin.Business/Services/ContentService.cs
index c0c3320..f7ddd99 100644
--- a/server/MiAssessment/src/MiAssessment.Admin.Business/Services/ContentService.cs
+++ b/server/MiAssessment/src/MiAssessment.Admin.Business/Services/ContentService.cs
@@ -564,6 +564,16 @@ public class ContentService : IContentService
         { 1, "已上线" }
     };
 
+    /// <summary>
+    /// 获取导航状态名称
+    /// </summary>
+    /// <param name="status">状态值</param>
+    /// <returns>状态名称</returns>
+    private static string GetNavigationStatusName(int status)
+    {
+        return NavigationStatusNames.TryGetValue(status, out var name) ? name : "未知";
+    }
+
     /// <summary>
     /// 验证 Position 值
     /// </summary>
@@ -612,11 +622,16 @@ public class ContentService : IContentService
                 LinkUrl = n.LinkUrl,
                 Sort = n.Sort,
                 Status = n.Status,
-                StatusName = NavigationStatusNames.ContainsKey(n.Status) ? NavigationStatusNames[n.Status] : "未知",
                 CreateTime = n.CreateTime
             })
             .ToListAsync();
 
+        // 在内存中映射状态名称（避免 EF Core LINQ 翻译问题）
+        foreach (var item in items)
+        {
+            item.StatusName = GetNavigationStatusName(item.Status);
+        }
+
         return PagedResult<HomeNavigationDto>.Create(items, total, request.Page, request.PageSize);
     }
 
@@ -634,7 +649,6 @@ public class ContentService : IContentService
                 LinkUrl = n.LinkUrl,
                 Sort = n.Sort,
                 Status = n.Status,
-                StatusName = NavigationStatusNames.ContainsKey(n.Status) ? NavigationStatusNames[n.Status] : "未知",
                 CreateTime = n.CreateTime
             })
             .FirstOrDefaultAsync();
@@ -644,6 +658,9 @@ public class ContentService : IContentService
             throw new BusinessException(ErrorCodes.NavigationNotFound, "首页导航不存在");
         }
 
+        // 在内存中映射状态名称
+        nav.StatusName = GetNavigationStatusName(nav.Status);
+
         return nav;
     }