using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.Mvc;namespace 分布式日志{    public class MyExceptionFilter : HandleErrorAttribute    {        public static Queue<Exception> listQueue = new Queue<Exception>();        public override void OnException(ExceptionContext filterContext)        {            if (filterContext.Exception!=null)            {                listQueue.Enqueue(filterContext.Exception);                filterContext.HttpContext.Response.Redirect("/error.html");            }            base.OnException(filterContext);        }    }}

using System.Web;using System.Web.Mvc;namespace 分布式日志{    public class FilterConfig    {        public static void RegisterGlobalFilters(GlobalFilterCollection filters)        {            //filters.Add(new HandleErrorAttribute());            filters.Add(new MyExceptionFilter());        }    }}

using System;using System.Collections.Generic;using System.Linq;using System.Threading;using System.Web;using System.Web.Mvc;using System.Web.Optimization;using System.Web.Routing;namespace 分布式日志{    public class MvcApplication : System.Web.HttpApplication    {        protected void Application_Start()        {            AreaRegistration.RegisterAllAreas();            FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);            RouteConfig.RegisterRoutes(RouteTable.Routes);            BundleConfig.RegisterBundles(BundleTable.Bundles);            //通过线程池开启一个线程，然后不停的从队列中读取数据            string strRoot = Server.MapPath("/Log/");            string strPath = strRoot + DateTime.Now.ToString("yyyy-MM-dd").ToString()+".txt";            ThreadPool.QueueUserWorkItem(i =>            {                while (true)                {                    try                    {                        if (MyExceptionFilter.listQueue.Count > 0)                        {                            Exception ex = MyExceptionFilter.listQueue.Dequeue();                            if (ex != null)                            {                                System.IO.File.AppendAllText( strPath,DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + ex.ToString() + Environment.NewLine,System.Text.Encoding.UTF8);                            }                            else                            {                                Thread.Sleep(30);                            }                        }                        else                        {                            Thread.Sleep(30);//避免cpu空转                        }                    }                    catch(Exception ex)                    {                        MyExceptionFilter.listQueue.Enqueue(ex);                    }                }            }, strPath);        }    }}

using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.Mvc;namespace 分布式日志.Controllers{    public class TestController : Controller    {        //        // GET: /Test/        public ActionResult Index()        {            int aa = Convert.ToInt32("sss");            return View();        }    }}