MVC 应用程序级别捕捉异常

捕捉异常：

using System;

using System.IO;

using System.Net;

using System.Net.Http;

using System.Net.Http.Headers;

using System.Text;

using System.Web;

using System.Web.Http.Controllers;

using System.Web.Mvc;

using Newtonsoft.Json;

using System.Web.Http.Filters;

using Rongzi.BZone.Admin.Models;

using Rongzi.BZone.Common.Util;

namespace Rongzi.BZone.Admin.Functions

{

    public class ApiExceptionFilterAttribute : System.Web.Http.Filters.ExceptionFilterAttribute

    {

        public override void OnException(HttpActionExecutedContext context)

        {

            if (context.Exception is NotImplementedException)

            {

                context.Response = new HttpResponseMessage(HttpStatusCode.NotImplemented);

            }

            LogHelper.Error("被系统过滤捕获的异常", context.Exception);

            StringBuilder sbMsg = new StringBuilder();

            sbMsg.AppendFormat("ControllerName={0},ActionName={1},Msg={2},StackTrace={3}",

                context.ActionContext.ControllerContext.ControllerDescriptor.ControllerName,

                context.ActionContext.ActionDescriptor.ActionName,

                context.Exception.Message,

                context.Exception.StackTrace);

            LogHelper.Exception(sbMsg.ToString());

            var customerError = new ResponseContext

            {

                Head = new ResponseHead

                {

                    Ret = -,

                    Code = ErrCode.Failure,

                    Msg = context.Exception.Message.ToString()

                },

                Content = ""

            };

            context.Response = context.Request.CreateResponse(HttpStatusCode.BadRequest, customerError);

        }

    }

}

找不到地址

using System;

using System.Collections.Generic;

using System.Linq;

using System.Net;

using System.Net.Http;

using System.Threading;

using System.Threading.Tasks;

using System.Web;

namespace Rongzi.BZone.Admin.Functions

{

    /// <summary>

    /// api返回异常状态时响应处理

    /// </summary>

    public class ResponseDelegatingHandler : DelegatingHandler

    {

        async protected override Task<HttpResponseMessage> SendAsync(

                HttpRequestMessage request, CancellationToken cancellationToken)

        {

            HttpResponseMessage response = await base.SendAsync(request, cancellationToken);

            if (response.StatusCode == HttpStatusCode.MethodNotAllowed || response.StatusCode == HttpStatusCode.NotFound)

            {

                var customerError = new ResponseContext

                {

                    Head = new ResponseHead

                    {

                        Ret = -,

                        Code = ErrCode.Failure,

                        Msg = (response.StatusCode == HttpStatusCode.MethodNotAllowed) ? "请求的资源上不允许请求方法（POST或GET）" : "访问的页面不存在"

                    },

                    Content = ""

                };

                response = request.CreateResponse(HttpStatusCode.BadRequest, customerError);

            }

            return response;

        }

    }

}