验证存储桶是否可访问

server/MiAssessment/src/MiAssessment.Admin/Controllers/ConfigController.cs

@@ -1,3 +1,6 @@
+using COSXML;
+using COSXML.Auth;
+using COSXML.Model.Bucket;
 using MiAssessment.Admin.Filters;
 using MiAssessment.Admin.Models.Common;
 using MiAssessment.Admin.Models.Config;
@@ -93,4 +96,77 @@ public class ConfigController : ControllerBase
             return ApiResponse<bool>.Error(AdminErrorCodes.InternalError, "更新上传配置失败");
         }
     }
+
+    /// <summary>
+    /// 测试腾讯云COS连接
+    /// </summary>
+    /// <param name="request">上传配置</param>
+    /// <returns>测试结果</returns>
+    [HttpPost("upload/testConnection")]
+    public Task<ApiResponse<bool>> TestCosConnection([FromBody] UploadSetting request)
+    {
+        // 验证必填参数
+        if (request.Type != "3")
+        {
+            return Task.FromResult(ApiResponse<bool>.Error(AdminErrorCodes.InvalidParameter, "仅支持测试腾讯云COS连接"));
+        }
+
+        if (string.IsNullOrWhiteSpace(request.AccessKeyId) ||
+            string.IsNullOrWhiteSpace(request.AccessKeySecret) ||
+            string.IsNullOrWhiteSpace(request.Bucket) ||
+            string.IsNullOrWhiteSpace(request.Region))
+        {
+            return Task.FromResult(ApiResponse<bool>.Error(AdminErrorCodes.InvalidParameter, "请填写完整的COS配置信息"));
+        }
+
+        try
+        {
+            // 创建COS客户端
+            var config = new CosXmlConfig.Builder()
+                .IsHttps(true)
+                .SetRegion(request.Region!)
+                .Build();
+
+            var credentialProvider = new DefaultQCloudCredentialProvider(
+                request.AccessKeyId!,
+                request.AccessKeySecret!,
+                600);
+
+            var cosXml = new CosXmlServer(config, credentialProvider);
+
+            // 尝试 HeadBucket 验证连接
+            var headBucketRequest = new HeadBucketRequest(request.Bucket!);
+            var result = cosXml.HeadBucket(headBucketRequest);
+
+            if (result.IsSuccessful())
+            {
+                return Task.FromResult(ApiResponse<bool>.Success(true, "连接成功"));
+            }
+
+            return Task.FromResult(ApiResponse<bool>.Error(AdminErrorCodes.InternalError, $"连接失败: {result.httpMessage}"));
+        }
+        catch (COSXML.CosException.CosClientException clientEx)
+        {
+            _logger.LogWarning(clientEx, "COS连接测试客户端错误");
+            return Task.FromResult(ApiResponse<bool>.Error(AdminErrorCodes.InternalError, $"连接失败: {clientEx.Message}"));
+        }
+        catch (COSXML.CosException.CosServerException serverEx)
+        {
+            _logger.LogWarning(serverEx, "COS连接测试服务端错误");
+            var message = serverEx.errorCode switch
+            {
+                "NoSuchBucket" => "存储桶不存在，请检查Bucket名称",
+                "AccessDenied" => "访问被拒绝，请检查SecretId和SecretKey",
+                "SignatureDoesNotMatch" => "签名不匹配，请检查SecretKey",
+                "InvalidAccessKeyId" => "SecretId无效，请检查配置",
+                _ => $"连接失败: {serverEx.errorCode} - {serverEx.errorMessage}"
+            };
+            return Task.FromResult(ApiResponse<bool>.Error(AdminErrorCodes.InternalError, message));
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "COS连接测试异常");
+            return Task.FromResult(ApiResponse<bool>.Error(AdminErrorCodes.InternalError, $"连接测试失败: {ex.Message}"));
+        }
+    }
 }

server/MiAssessment/src/MiAssessment.Admin/admin-web/src/api/system/config.ts

@@ -44,3 +44,14 @@ export function updateUploadConfig(data: UploadSetting): Promise<ApiResponse<boo
     data
   })
 }
+
+/**
+ * 测试腾讯云COS连接
+ */
+export function testCosConnection(data: UploadSetting): Promise<ApiResponse<boolean>> {
+  return request<boolean>({
+    url: '/admin/config/upload/testConnection',
+    method: 'post',
+    data
+  })
+}

server/MiAssessment/src/MiAssessment.Admin/admin-web/src/views/system/config/upload.vue

@@ -135,7 +135,7 @@
             <el-icon><Refresh /></el-icon>
             重置
           </el-button>
-          <el-button v-if="state.formData.type === '3'" @click="handleTest">
+          <el-button v-if="state.formData.type === '3'" :loading="state.testing" @click="handleTest">
             <el-icon><Connection /></el-icon>
             测试连接
           </el-button>
@@ -153,13 +153,14 @@
 import { reactive, ref, computed, onMounted } from 'vue'
 import { FolderOpened, Cloudy, Check, Refresh, Connection } from '@element-plus/icons-vue'
 import { ElMessage, type FormInstance, type FormRules } from 'element-plus'
-import { getUploadConfig, updateUploadConfig, type UploadSetting } from '@/api/system/config'
+import { getUploadConfig, updateUploadConfig, testCosConnection, type UploadSetting } from '@/api/system/config'
 
 // ============ Types ============
 
 interface UploadConfigState {
   loading: boolean
   saving: boolean
+  testing: boolean
   formData: UploadSetting
 }
 
@@ -172,6 +173,7 @@ const formRef = ref<FormInstance>()
 const state = reactive<UploadConfigState>({
   loading: false,
   saving: false,
+  testing: false,
   formData: {
     type: '1',
     appId: '',
@@ -264,8 +266,28 @@ function handleReset() {
 }
 
 function handleTest() {
-  // TODO: 实现连接测试
+  // 先验证必填字段
-  ElMessage.info('连接测试功能开发中')
+  if (!state.formData.accessKeyId || !state.formData.accessKeySecret ||
+      !state.formData.bucket || !state.formData.region) {
+    ElMessage.warning('请先填写完整的COS配置信息')
+    return
+  }
+
+  state.testing = true
+  testCosConnection(state.formData)
+    .then(res => {
+      if (res.code === 0) {
+        ElMessage.success(res.message || '连接成功')
+      } else {
+        ElMessage.error(res.message || '连接失败')
+      }
+    })
+    .catch(() => {
+      ElMessage.error('连接测试请求失败')
+    })
+    .finally(() => {
+      state.testing = false
+    })
 }
 
 // ============ Lifecycle ============