Log4Net的使用

 1 <configuration>
 2   <configSections>
 3     <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
 4     <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
 5     <!--Log4Net配置-->
 6     <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/><!--Log4Net配置由Log4NetConfigurationSectionHandler节处理-->
 7   </configSections>
 8   <log4net>
 9     <!-- Define some output appenders -->
10     <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender"><!--设置以滚动文件形式记录日志-->
11       <file value="test.txt"/><!--日志形成的文本名称-->
12       <appendToFile value="true"/><!--文件追加-->
13       <maxSizeRollBackups value="10"/><!--最多形成10个日志文件-->
14       <maximumFileSize value="1024KB"/><!--每个日志文件大小为1024KB-->
15       <rollingStyle value="Size"/><!--日志文件以文件大小生成，一个日志文件到1024KB之后形成下一个-->
16       <staticLogFileName value="true"/><!--日志文件名固定死的-->
17       <layout type="log4net.Layout.PatternLayout"><!--日志文本显示格式-->
18         <conversionPattern value="%date [%thread] %-5level %logger - %message%newline"/>
19       </layout>
20     </appender>
21     <root>
22       <level value="DEBUG"/><!--等级-->
23       <appender-ref ref="RollingLogFileAppender"/>
24     </root>
25   </log4net>
26   <!--Log4Net配置结束-->
27 </configuration>

 1 <configuration>
 2   <configSections>
 3     <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
 4     <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
 5     <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
 6     <!--Log4Net配置-->
 7     <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/>
 8   </configSections>
 9 
10   <log4net>
11     <!-- OFF, FATAL, ERROR, WARN, INFO, DEBUG, ALL -->
12     <!-- Set root logger level to ERROR and its appenders -->
13     <root>
14       <level value="ALL"/>
15       <appender-ref ref="SysAppender"/>
16     </root>
17 
18     <!-- Print only messages of level DEBUG or above in the packages -->
19     <logger name="WebLogger">
20       <level value="ERROR"/>
21     </logger>
22 
23     <appender name="SysAppender" type="log4net.Appender.RollingFileAppender,log4net" >
24       <param name="File" value="App_Data/" /><!--将日志文件放在App_Data下，客户端通过浏览器地址不能直接打开，增加了安全性-->
25       <param name="AppendToFile" value="true" />
26       <param name="RollingStyle" value="Date" />
27       <param name="DatePattern" value="&quot;Logs_&quot;yyyyMMdd&quot;.txt&quot;" /><!--日志文件名以日期天数为名称-->
28       <param name="StaticLogFileName" value="false" /><!--不起用静态命名方式-->
29       <layout type="log4net.Layout.PatternLayout,log4net"><!--格式-->
30         <param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n" />
31         <param name="Header" value="&#13;&#10;----------------------header--------------------------&#13;&#10;" />
32         <param name="Footer" value="&#13;&#10;----------------------footer--------------------------&#13;&#10;" />
33       </layout>
34     </appender>
35     <appender name="consoleApp" type="log4net.Appender.ConsoleAppender,log4net"><!--异常信息-->
36       <layout type="log4net.Layout.PatternLayout,log4net">
37         <param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n" />
38       </layout>
39     </appender>
40   </log4net>
41   <!--Log4Net配置结束-->
42 </configuration>

 1 protected void Application_Start()
 2         {
 3             log4net.Config.XmlConfigurator.Configure();//读取Log4Net配置信息
 4             AreaRegistration.RegisterAllAreas();
 5 
 6             WebApiConfig.Register(GlobalConfiguration.Configuration);
 7             FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
 8             RouteConfig.RegisterRoutes(RouteTable.Routes);
 9             BundleConfig.RegisterBundles(BundleTable.Bundles);
10 
11             string fileLogPath = Server.MapPath("/Log/");
12            
13             ThreadPool.QueueUserWorkItem((a) =>
14             {
15                 while (true)
16                 {
17                     if (MyExceptionAttribute.ExceptionQueue.Count > 0)
18                     {
19                        Exception ex= MyExceptionAttribute.ExceptionQueue.Dequeue();
20                        ILog logger = LogManager.GetLogger("errorMsg");//Log4Net创建异常信息
21                        logger.Error(ex.ToString());//将异常信息写到磁盘上
22                     }
23                     else
24                     {
25                         Thread.Sleep(3000);
26                     }
27                 }
28 
29 
30             },fileLogPath);
31         }