MVC 错误处理1

        /// <summary>
        /// 错误处理
        /// 404 处理
        /// </summary>
        protected void Application_Error(object sender, EventArgs e)
        {
            //判断请求方式
            if (Request.HttpMethod == "GET")
            {
                // 获取错误
                HttpException exception = Server.GetLastError() as HttpException;
                if (exception != null)
                {
                    if (exception.GetHttpCode() == 404)
                    {
                        //输出指定的字符串
                        Response.Clear();
                        //Response.Write("code:404");


                        //输出指定controller下的内容
                        RouteData routeData = new RouteData();
                        routeData.Values.Add("controller", "ViewOne");
                        routeData.Values.Add("action", "TempTwo");
                        routeData.Values.Add("name", "zhangsan");
                        IController one = new ViewOneController();
                        one.Execute(new RequestContext(new HttpContextWrapper(Context), routeData));
                        /*
                         *  如果不指定 结束输出的话，则还是会执行框架的自动处理（会清空自己输出的内容）
                         *  如果指定结束的话，状态码是200，而不是400,所以需要自己手动指定状态码
                         */
                        Response.StatusCode = 404;
                        Response.End();
                        Context.ClearError();
                    }
                }
            }
        }

protected void Application_Error(object sender, EventArgs e)  
        {  
            Exception exception = Server.GetLastError();  
            Response.Clear();  
            HttpException httpException = exception as HttpException;  
            RouteData routeData = new RouteData();  
            routeData.Values.Add("controller", "Error");  
            if (httpException == null)  
            {  
                routeData.Values.Add("action", "Index");  
            }  
            else //It‘s an Http Exception, Let‘s handle it.  
            {  
                switch (httpException.GetHttpCode())  
                {  
                    case 404:  
                        // Page not found.  
                        routeData.Values.Add("action", "HttpError404");  
                        break;  
                    case 500:  
                        // Server error.  
                        routeData.Values.Add("action", "HttpError500");  
                        break;  
                    // Here you can handle Views to other error codes.  
                    // I choose a General error template    
                    default:  
                        routeData.Values.Add("action", "General");  
                        break;  
                }  
            }  
            // Pass exception details to the target error View.  
            routeData.Values.Add("error", exception.Message);  
            // Clear the error on server.  
            Server.ClearError();  
            // Call target Controller and pass the routeData.  
            IController errorController = new WEB.Controllers.ErrorController();  
            errorController.Execute(new RequestContext(new HttpContextWrapper(Context), routeData));  
        }  
 

namespace MVC.Controllers  
{  
    public class ErrorController : Controller  
    {  
        public ActionResult Index(string error)  
        {  
            ViewData["Title"] = "WebSite 网站内部错误";  
            ViewData["Description"] = error;  
            return View("Index");  
        }  
        public ActionResult HttpError404(string error)  
        {  
            ViewData["Title"] = "HTTP 404- 无法找到文件";  
            ViewData["Description"] = error;  
            return View("Index");  
        }  
        public ActionResult HttpError500(string error)  
        {  
            ViewData["Title"] = "HTTP 500 - 内部服务器错误";  
            ViewData["Description"] = error;  
            return View("Index");  
        }  
        public ActionResult General(string error)  
        {  
            ViewData["Title"] = "HTTP 发生错误";  
            ViewData["Description"] = error;  
            return View("Index");  
        }  
    }  
}