glz
bdaa6a0dc8
1. 新增并完善ResultCode枚举，补充标准HTTP状态码对应的业务状态码 2. 重构BusinessException，新增基于ResultCode的构造函数和ThrowIf扩展方法 3. 替换所有硬编码的HTTP状态码为统一的ResultCode枚举 4. 优化全局异常中间件，根据业务状态码映射对应HTTP状态码并规范化JSON响应 5. 修复OssImageHelper和AutoDotCodeConsumer中的OSS文件处理逻辑 6. 新增用户答题快照实体类 7. 清理废弃的宠物模块迁移脚本
111 lines
4.0 KiB
C#
111 lines
4.0 KiB
C#
using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.Logging;
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using QYZH.InteractiveMagazine.Models.Common;
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using QYZH.InteractiveMagazine.Models.Dto;
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using System.Text.Json;
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namespace QYZH.InteractiveMagazine.Infrastructure.Middleware;
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/// <summary>
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/// 全局异常中间件
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/// </summary>
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public class GlobalExceptionMiddleware : IMiddleware
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{
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private readonly ILogger<GlobalExceptionMiddleware> _logger;
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/// <summary>
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/// JSON序列化选项（camelCase，与Controller保持一致）
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/// </summary>
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private static readonly JsonSerializerOptions JsonOptions = new()
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{
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PropertyNamingPolicy = JsonNamingPolicy.CamelCase
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};
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/// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="logger">日志记录器</param>
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public GlobalExceptionMiddleware(ILogger<GlobalExceptionMiddleware> logger)
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{
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_logger = logger;
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}
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/// <summary>
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/// 执行中间件
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/// </summary>
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/// <param name="context">HTTP上下文</param>
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/// <param name="next">下一个中间件委托</param>
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public async Task InvokeAsync(HttpContext context, RequestDelegate next)
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{
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try
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{
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await next(context);
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}
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catch (BusinessException ex)
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{
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_logger.LogWarning(ex, "业务异常：{Message}，状态码：{ResultCode}", ex.Message, ex.ResultCode);
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await HandleBusinessExceptionAsync(context, ex);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "系统异常：{Message}", ex.Message);
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await HandleSystemExceptionAsync(context, ex);
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}
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}
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/// <summary>
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/// 处理业务异常（按业务状态码映射HTTP状态码）
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/// </summary>
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/// <param name="context">HTTP上下文</param>
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/// <param name="ex">业务异常</param>
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private static async Task HandleBusinessExceptionAsync(HttpContext context, BusinessException ex)
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{
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context.Response.ContentType = "application/json";
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context.Response.StatusCode = GetHttpStatusCode(ex.ResultCode);
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var response = BaseResponse<object>.Fail(ex.ResultCode, ex.Message);
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var json = JsonSerializer.Serialize(response, JsonOptions);
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await context.Response.WriteAsync(json);
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}
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/// <summary>
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/// 处理系统异常
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/// </summary>
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/// <param name="context">HTTP上下文</param>
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/// <param name="ex">系统异常</param>
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private static async Task HandleSystemExceptionAsync(HttpContext context, Exception ex)
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{
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context.Response.ContentType = "application/json";
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context.Response.StatusCode = StatusCodes.Status500InternalServerError;
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var response = BaseResponse<object>.Fail(ResultCode.GLOBAL_ERROR, "系统内部错误，请稍后重试");
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var json = JsonSerializer.Serialize(response, JsonOptions);
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await context.Response.WriteAsync(json);
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}
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/// <summary>
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/// 根据业务状态码获取对应的HTTP状态码
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/// </summary>
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/// <param name="resultCode">业务状态码</param>
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/// <returns>HTTP状态码</returns>
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private static int GetHttpStatusCode(ResultCode resultCode)
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{
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return resultCode switch
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{
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ResultCode.DENY => StatusCodes.Status401Unauthorized,
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ResultCode.FORBIDDEN => StatusCodes.Status403Forbidden,
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ResultCode.NOT_FOUND => StatusCodes.Status404NotFound,
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ResultCode.BAD_REQUEST => StatusCodes.Status400BadRequest,
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ResultCode.PARAM_ERROR => StatusCodes.Status400BadRequest,
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ResultCode.CONFLICT => StatusCodes.Status409Conflict,
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ResultCode.UNPROCESSABLE_ENTITY => StatusCodes.Status422UnprocessableEntity,
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ResultCode.TOO_MANY_REQUESTS => StatusCodes.Status429TooManyRequests,
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ResultCode.BAD_GATEWAY => StatusCodes.Status502BadGateway,
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ResultCode.SERVICE_UNAVAILABLE => StatusCodes.Status503ServiceUnavailable,
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_ => StatusCodes.Status400BadRequest
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};
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}
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}
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