log4j 引入

配置文件

< configuration >
   < configSections >
     < section  name ="log4net"  type ="log4net.Config.Log4NetConfigurationSectionHandler, log4net"   />
   </ configSections >
   < log4net >
     < appender  name ="RollingLogFileAppender"  type ="log4net.Appender.RollingFileAppender" >
       < param  name ="File"  value ="log.txt"   />
       < param  name ="AppendToFile"  value ="true"   />
       < param  name ="MaxSizeRollBackups"  value ="10"   />
       < param  name ="MaximumFileSize"  value ="100000"   />
       < param  name ="RollingStyle"  value ="Date"   />
       < param  name ="StaticLogFileName"  value ="false"   />
       < param  name ="DatePattern"  value =".yyyy-MM-dd.'log'"   />
       < layout  type ="log4net.Layout.PatternLayout" >
         < param  name ="Header"  value ="[BEGIN_LOG--------------------------------------]"   />
         < param  name ="Footer"  value ="[END_LOG----------------------------------------]"   />
         < param  name ="ConversionPattern"  value ="%d [%t] %-5p %c [%x] - %m%n"   />
       </ layout >
     </ appender >
    
     < root >
       < level  value ="info"   />
       < appender-ref  ref ="RollingLogFileAppender"   />
    
     </ root >
   </ log4net >

启动的时候 初始化

  log4net.Config.DOMConfigurator.Configure();


以后就可以

using log4net;

 log4net.ILog log = log4net.LogManager.GetLogger("Frm_Login");


 log.Info("Start Lonin From.");


等等。。

转载于:https://www.cnblogs.com/wujun/archive/2006/09/01/492628.html