c#_错误处理_基础

attribute:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.Mvc;

using ServiceStack.Redis;

namespace RedisMvcApp.Models

{

    public class MyExecptionAttribute : HandleErrorAttribute

    {

        //public static Queue<Exception> ExceptionQueue = new Queue<Exception>();//创建队列.

        public static IRedisClientsManager clientManager = new PooledRedisClientManager(new string[]{"127.0.0.1:6379"});

        public static IRedisClient redisClent = clientManager.GetClient();

        public override void OnException(ExceptionContext filterContext)

        {

          //将异常信息入队.

            //ExceptionQueue.Enqueue(filterContext.Exception);//将异常信息入队.

            redisClent.EnqueueItemOnList("errorException", filterContext.Exception.ToString());//将异常信息存储到Redis队列中了。

            filterContext.HttpContext.Response.Redirect("/error.html");

            base.OnException(filterContext);

        }

    }

}

gobal

using log4net;

using RedisMvcApp.Models;

using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Text;

using System.Threading;

using System.Web;

using System.Web.Http;

using System.Web.Mvc;

using System.Web.Optimization;

using System.Web.Routing;



namespace RedisMvcApp

{

    // 注意: 有关启用 IIS6 或 IIS7 经典模式的说明，

    // 请访问 http://go.microsoft.com/?LinkId=9394801



    public class MvcApplication : System.Web.HttpApplication

    {

        protected void Application_Start()

        {

            log4net.Config.XmlConfigurator.Configure();//获取Log4Net配置信息(配置信息定义在Web.config文件中)

            AreaRegistration.RegisterAllAreas();



            WebApiConfig.Register(GlobalConfiguration.Configuration);

            FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);

            RouteConfig.RegisterRoutes(RouteTable.Routes);

            BundleConfig.RegisterBundles(BundleTable.Bundles);

            //通过线程开启一个线程，然后不停的从队列中或数据

            string filePath = Server.MapPath("/Log/");

            ThreadPool.QueueUserWorkItem(o =>

            {

                while (true)

                {

                    try

                    {

                      //  if (MyExecptionAttribute.ExceptionQueue.Count > 0)

                        if (MyExecptionAttribute.redisClent.GetListCount("errorException") > 0)

                        {

                          //  Exception  ex= MyExecptionAttribute.ExceptionQueue.Dequeue();//从队列中拿出数据

                            string errorMsg = MyExecptionAttribute.redisClent.DequeueItemFromList("errorException");//从Redis队列中取出异常数据

                            //if (ex != null)

                            if(!string.IsNullOrEmpty(errorMsg))

                            {

                                //构建成一个完整的路径

                              //  string fileName = filePath + DateTime.Now.ToString("yyyy-MM-dd").ToString() + ".txt";

                                //string execptionMsg = ex.ToString();

                             //   File.AppendAllText(fileName, errorMsg, Encoding.Default);//将异常写到文件中。



                                ILog logger = LogManager.GetLogger("czbkError");

                                logger.Error(errorMsg);//将异常信息写到Log4Net中.



                            }

                            else

                            {

                                Thread.Sleep(30);

                            }

                        }

                        else

                        {

                            Thread.Sleep(30);//避免了CPU空转。

                        }

                    }

                    catch (Exception ex)

                    {

                        //MyExecptionAttribute.ExceptionQueue.Enqueue(ex);

                        MyExecptionAttribute.redisClent.EnqueueItemOnList("errorException", ex.ToString());

                    }

                }



            }, filePath);

        }

    }

}

log放在 app_start里面 可以防止被访问