NetCore 全局异常过滤器

第一步：创建过滤器

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/// <summary> /// 全局异常过滤器 /// 调用示例：throw new NotImplementedException(); /// </summary> public class GlobalExceptionFilter : IExceptionFilter {     readonly IWebHostEnvironment hostEnvironment;     public GlobalExceptionFilter(IWebHostEnvironment _hostEnvironment)     {         this.hostEnvironment = _hostEnvironment;     }     public void OnException(ExceptionContext context)     {         if (!context.ExceptionHandled)//如果异常没有处理         {             var result = ResponseMessage.Error("服务器发生未处理的异常");             if (hostEnvironment.IsDevelopment())             {                 result.Message += "," + context.Exception.Message;                 result.Data = context.Exception.StackTrace;             }               context.Result = new JsonResult(result);             context.ExceptionHandled = true;//异常已处理         }     } }

第二步：配置过滤器

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builder.Services.AddControllers(option => {     option.Filters.Add<GlobalExceptionFilter>(); } );

 第四步：异常示例

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[HttpGet("{id}")] public ActionResult Get(int id) {     throw new NotImplementedException(); }

第五步：运行结果