添加项目文件。

QYZH.InteractiveMagazine.Infrastructure/Middleware/GlobalExceptionMiddleware.cs

@@ -0,0 +1,79 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Logging;
+using QYZH.InteractiveMagazine.Models.Common;
+using QYZH.InteractiveMagazine.Models.Dto;
+using System.Text.Json;
+
+namespace QYZH.InteractiveMagazine.Infrastructure.Middleware;
+
+/// <summary>
+/// 全局异常中间件
+/// </summary>
+public class GlobalExceptionMiddleware : IMiddleware
+{
+    private readonly ILogger<GlobalExceptionMiddleware> _logger;
+
+    /// <summary>
+    /// 构造函数
+    /// </summary>
+    /// <param name="logger">日志记录器</param>
+    public GlobalExceptionMiddleware(ILogger<GlobalExceptionMiddleware> logger)
+    {
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// 执行中间件
+    /// </summary>
+    /// <param name="context">HTTP上下文</param>
+    /// <param name="next">下一个中间件委托</param>
+    public async Task InvokeAsync(HttpContext context, RequestDelegate next)
+    {
+        try
+        {
+            await next(context);
+        }
+        catch (BusinessException ex)
+        {
+            _logger.LogWarning(ex, "业务异常：{Message}", ex.Message);
+            await HandleBusinessExceptionAsync(context, ex);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "系统异常：{Message}", ex.Message);
+            await HandleSystemExceptionAsync(context, ex);
+        }
+    }
+
+    /// <summary>
+    /// 处理业务异常
+    /// </summary>
+    /// <param name="context">HTTP上下文</param>
+    /// <param name="ex">业务异常</param>
+    private static async Task HandleBusinessExceptionAsync(HttpContext context, BusinessException ex)
+    {
+        context.Response.ContentType = "application/json";
+        context.Response.StatusCode = StatusCodes.Status400BadRequest;
+
+        var response = BaseResponse<object>.Fail(ex.Message, ex.Code);
+        var json = JsonSerializer.Serialize(response);
+
+        await context.Response.WriteAsync(json);
+    }
+
+    /// <summary>
+    /// 处理系统异常
+    /// </summary>
+    /// <param name="context">HTTP上下文</param>
+    /// <param name="ex">系统异常</param>
+    private static async Task HandleSystemExceptionAsync(HttpContext context, Exception ex)
+    {
+        context.Response.ContentType = "application/json";
+        context.Response.StatusCode = StatusCodes.Status500InternalServerError;
+
+        var response = BaseResponse<object>.Fail("系统内部错误，请稍后重试");
+        var json = JsonSerializer.Serialize(response);
+
+        await context.Response.WriteAsync(json);
+    }
+}

QYZH.InteractiveMagazine.Infrastructure/Middleware/OperationLogMiddleware.cs

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+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Logging;
+using System.Diagnostics;
+
+namespace QYZH.InteractiveMagazine.Infrastructure.Middleware;
+
+/// <summary>
+/// 操作日志中间件
+/// </summary>
+public class OperationLogMiddleware : IMiddleware
+{
+    private readonly ILogger<OperationLogMiddleware> _logger;
+
+    /// <summary>
+    /// 构造函数
+    /// </summary>
+    /// <param name="logger">日志记录器</param>
+    public OperationLogMiddleware(ILogger<OperationLogMiddleware> logger)
+    {
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// 执行中间件
+    /// </summary>
+    /// <param name="context">HTTP上下文</param>
+    /// <param name="next">下一个中间件委托</param>
+    public async Task InvokeAsync(HttpContext context, RequestDelegate next)
+    {
+        var stopwatch = Stopwatch.StartNew();
+
+        var requestMethod = context.Request.Method;
+        var requestUrl = context.Request.Path.ToString();
+
+        try
+        {
+            await next(context);
+        }
+        finally
+        {
+            stopwatch.Stop();
+            var elapsedMilliseconds = stopwatch.ElapsedMilliseconds;
+
+            _logger.LogInformation(
+                "请求完成 | {Method} {Url} | 状态码: {StatusCode} | 耗时: {ElapsedMilliseconds}ms",
+                requestMethod,
+                requestUrl,
+                context.Response.StatusCode,
+                elapsedMilliseconds
+            );
+        }
+    }
+}