fix

WebApi/Filters/GlobalExceptionFilter.cs

@@ -0,0 +1,63 @@
+using Application.Exceptions;
+using Microsoft.AspNetCore.Mvc.Filters;
+
+namespace WebApi.Filters;
+
+/// <summary>
+/// 全局异常过滤器
+/// </summary>
+/// <remarks>
+/// 统一处理Application层抛出的异常，转换为标准的BaseResponse格式
+/// </remarks>
+public class GlobalExceptionFilter(ILogger<GlobalExceptionFilter> logger) : IExceptionFilter
+{
+    public void OnException(ExceptionContext context)
+    {
+        BaseResponse response;
+        var statusCode = 500;
+
+        switch (context.Exception)
+        {
+            case ValidationException ex:
+                // 业务验证失败 - 400 Bad Request
+                logger.LogWarning(ex, "业务验证失败: {Message}", ex.Message);
+                response = ex.Message.Fail();
+                statusCode = 400;
+                break;
+
+            case NotFoundException ex:
+                // 资源未找到 - 404 Not Found
+                logger.LogWarning(ex, "资源未找到: {Message}", ex.Message);
+                response = ex.Message.Fail();
+                statusCode = 404;
+                break;
+
+            case BusinessException ex:
+                // 业务逻辑异常 - 500 Internal Server Error
+                logger.LogError(ex, "业务逻辑错误: {Message}", ex.Message);
+                response = ex.Message.Fail();
+                statusCode = 500;
+                break;
+
+            case Application.Exceptions.ApplicationException ex:
+                // 应用层一般异常 - 500 Internal Server Error
+                logger.LogError(ex, "应用层错误: {Message}", ex.Message);
+                response = ex.Message.Fail();
+                statusCode = 500;
+                break;
+
+            default:
+                // 未处理的异常 - 500 Internal Server Error
+                logger.LogError(context.Exception, "未处理的异常: {Message}", context.Exception.Message);
+                response = "操作失败，请稍后重试".Fail();
+                statusCode = 500;
+                break;
+        }
+
+        context.Result = new ObjectResult(response)
+        {
+            StatusCode = statusCode
+        };
+        context.ExceptionHandled = true;
+    }
+}