log4net的简单使用

放弃了以前写的日志记录类，改用log4net。

下载：http://archive.apache.org/dist/incubator/log4net/1.2.10/incubating-log4net-1.2.10.zip
引用：log4net.dll
配置如下：
建一个app.config

<? xml version="1.0" encoding="utf-8" ?>

< configuration >
   < configSections >
     < section  name ="log4net"  type ="log4net.Config.Log4NetConfigurationSectionHandler,log4net"   />
   </ configSections >
  
   < log4net >
     < logger  name ="AppLog" >
       < level  value ="INFO"   />
       < appender-ref  ref ="rollingFile"   />
     </ logger >
     < appender   name ="rollingFile"  type ="log4net.Appender.RollingFileAppender,log4net"   >
       < param  name ="File"  type =""   value ="errLogs/Log"   />
       < param  name ="AppendToFile"  value ="true"   />
       < param  name ="RollingStyle"  value ="Date"   />
       < param  name ="DatePattern"  value ="yyyy-MM-dd&quot;.log&quot;"    />
       < param  name ="StaticLogFileName"  value ="false"   />
       < layout  type ="log4net.Layout.PatternLayout,log4net" >
         < param  name ="ConversionPattern"  value ="%d [%t] %-5p %c [%x] - %m%n%n"   />
         < param  name ="Header"  value =" ----------------------header-------------------------- "   />
         < param  name ="Footer"  value =" ----------------------footer-------------------------- "   />
       </ layout >
     </ appender >
   </ log4net >

</ configuration >

在 AssemblyInfo.vb 文件追加一句

< Assembly : log4net.Config.XmlConfigurator(ConfigFile: = " app.config " , Watch: = True ) >  

修改 Global.asax

   Sub Application_Start() Sub Application_Start(ByVal sender As Object, ByVal e As EventArgs)
        ' 应用程序启动时激发
        log4net.Config.XmlConfigurator.Configure()

    End Sub

调用

   Dim   log   As  log4net.ILog  =  log4net.LogManager.GetLogger( " AppLog " )
         log .Debug( " debug " )
         log .Info( " info " )
         log .Warn( " warn " )
         log .Error( " error " )

这样就生成了我想要的文件名格式：Log2008-06-27.log