MVC使用Log4Net進行錯誤日志記錄學習筆記4

using System.Web.Mvc;

namespace PMS.WebApp.Models
{
 public class Log4ExceptionAttribute:HandleErrorAttribute
 {
 /// <summary>
 /// 重寫OnException方法來捕獲異常數據
 /// </summary>
 /// <param name="filterContext"></param>
 public override void OnException(ExceptionContext filterContext)
 {
 base.OnException(filterContext);
 //捕獲當前異常數據
 var ex = filterContext.Exception;
 }
 }
}

using System.Web.Mvc;
using PMS.WebApp.Models;

namespace PMS.WebApp
{
 public class FilterConfig
 {
 public static void RegisterGlobalFilters(GlobalFilterCollection filters)
 {
 //filters.Add(new HandleErrorAttribute());
 filters.Add(new Log4ExceptionAttribute());
 }
 }
}

using System;
using System.Collections.Generic;
using System.Web.Mvc;

namespace PMS.WebApp.Models
{
 public class Log4ExceptionAttribute:HandleErrorAttribute
 {
 public static Queue<Exception> Exceptions=new Queue<Exception>();
 /// <summary>
 /// 重寫OnException方法來捕獲異常數據
 /// </summary>
 /// <param name="filterContext"></param>
 public override void OnException(ExceptionContext filterContext)
 {
 base.OnException(filterContext);
 //捕獲當前異常數據
 var ex = filterContext.Exception;
 //將異常數據入隊
 Exceptions.Enqueue(ex);
 //跳轉到錯誤頁面
 filterContext.HttpContext.Response.Redirect("/Error.html");
 }
 }
}

<configuration>
 <configSections>
 <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
 <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
 
 <!--↓Log4Net配置↓-->
 <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/>
 <!--↑Log4Net配置↑-->
 
 <!--↓Spring.Net配置↓-->
 <sectionGroup name="spring">
 <section name="context" type="Spring.Context.Support.MvcContextHandler, Spring.Web.Mvc4"/>
 </sectionGroup>
 <!--↑Spring.Net配置↑-->
 
 </configSections>
 
 <!--↓Spring.Net配置↓-->
 <spring>
 <context>
 <resource uri="file://~/Config/controllers.xml"/>
 <resource uri="file://~/Config/services.xml"/>
 </context>
 </spring>
 <!--↑Spring.Net配置↑-->
 
 <!--↓Log4Net配置↓-->
 <log4net>
 <!-- OFF, FATAL, ERROR, WARN, INFO, DEBUG, ALL -->
 <!-- Set root logger level to ERROR and its appenders -->
 <root>
 <level value="ALL"/>
 <appender-ref ref="SysAppender"/>
 </root>

 <!-- Print only messages of level DEBUG or above in the packages -->
 <logger name="WebLogger">
 <level value="DEBUG"/>
 </logger>

 <appender name="SysAppender" type="log4net.Appender.RollingFileAppender,log4net" >
 <param name="File" value="App_Data/" />
 <param name="AppendToFile" value="true" />
 <param name="RollingStyle" value="Date" />
 <param name="DatePattern" value=""Logs_"yyyyMMdd".txt"" />
 <param name="StaticLogFileName" value="false" />
 <layout type="log4net.Layout.PatternLayout,log4net">
 <param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n" />
 <param name="Header" value="
----------------------header--------------------------
" />
 <param name="Footer" value="
----------------------footer--------------------------
" />
 </layout>
 </appender>
 <appender name="consoleApp" type="log4net.Appender.ConsoleAppender,log4net">
 <layout type="log4net.Layout.PatternLayout,log4net">
 <param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n" />
 </layout>
 </appender>
 </log4net>
 <!--↑Log4Net配置↑-->
 ...
</configuration>

<?xml version="1.0"?>
<configuration>
 <configSections>
 <section name="log4net" 
 type="log4net.Config.Log4NetConfigurationSectionHandler,log4net"/>
 </configSections>
 <!--站點日志配置部分-->
 <log4net>
 <root>
 <!--控制級別，由低到高: ALL|DEBUG|INFO|WARN|ERROR|FATAL|OFF-->
 <!--比如定義級別為INFO，則INFO級別向下的級別，比如DEBUG日志將不會被記錄-->
 <!--如果沒有定義LEVEL的值，則缺省為DEBUG-->
 <level value="ERROR"/>
 <appender-ref ref="RollingFileAppender"/>
 </root>
 <appender name="RollingFileAppender" type="log4net.Appender.RollingFileAppender">
 <!--日志文件名開頭-->
 <file value="c:\Log\TestLog4net.TXT"/>
 <!--多線程時采用最小鎖定-->
 <lockingModel type="log4net.Appender.FileAppender+MinimalLock"/>
 <!--日期的格式，每天換一個文件記錄，如不設置則永遠只記錄一天的日志，需設置-->
 <datePattern value="(yyyyMMdd)"/>
 <!--是否追加到文件,默認為true，通常無需設置-->
 <appendToFile value="true"/>
 <!--變換的形式為日期，這種情況下每天只有一個日志-->
 <!--此時MaxSizeRollBackups和maximumFileSize的節點設置沒有意義-->
 <!--<rollingStyle value="Date"/>-->
 <!--變換的形式為日志大小-->
 <!--這種情況下MaxSizeRollBackups和maximumFileSize的節點設置才有意義-->
 <RollingStyle value="Size"/>
 <!--每天記錄的日志文件個數，與maximumFileSize配合使用-->
 <MaxSizeRollBackups value="10"/>
 <!--每個日志文件的最大大小-->
 <!--可用的單位:KB|MB|GB-->
 <!--不要使用小數,否則會一直寫入當前日志-->
 <maximumFileSize value="2MB"/>
 <!--日志格式-->
 <layout type="log4net.Layout.PatternLayout">
 <conversionPattern value="%date [%t]%-5p %c - %m%n"/>
 </layout>
 </appender>
 </log4net>
</configuration>

using System.Linq;
using System.Threading;
using System.Web.Http;
using System.Web.Mvc;
using System.Web.Optimization;
using System.Web.Routing;
using log4net;
using PMS.WebApp.Models;
using Spring.Web.Mvc;

namespace PMS.WebApp
{
 // 注意: 有關啟用 IIS6 或 IIS7 經典模式的說明，
 // 請訪問 http://go.microsoft.com/?LinkId=9394801

 public class MvcApplication : SpringMvcApplication//HttpApplication
 {
 protected void Application_Start()
 {
 log4net.Config.XmlConfigurator.Configure();//讀取Log4Net配置信息
 AreaRegistration.RegisterAllAreas();

 WebApiConfig.Register(GlobalConfiguration.Configuration);
 FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
 RouteConfig.RegisterRoutes(RouteTable.Routes);
 BundleConfig.RegisterBundles(BundleTable.Bundles);

 //開啟一個線程,掃描異常信息隊列.
 var filePath = Server.MapPath("/Log/");
 ThreadPool.QueueUserWorkItem((a) =>
 {
 while (true)
 {
 //判斷隊列中是否有數據
 if (Log4ExceptionAttribute.Exceptions.Any())
 {
 //出隊一條異常信息
 var ex = Log4ExceptionAttribute.Exceptions.Dequeue();
 //若異常信息不為空
 if (ex == null) continue;
 //將異常信息寫入到日志文件中
 var logger = LogManager.GetLogger("errorMsg");
 logger.Error(ex.ToString());
 }
 else
 {
 //若異常信息隊列為空，則線程休息三秒
 Thread.Sleep(3000);
 }
 }
 }, filePath);
 }
 }
}