如何给你的web项目加入log4net支持

1) 下载到log4net的dll文件: log4net.dll.

    下载好后,你可以将气拷贝到web项目的bin目录,然后给你的web项目加入该文件的reference.

2)  配置log4net.config文件, 代码如下:

<?xml version="1.0" encoding="utf-8" ?>
<log4net debug="false">
  <appender name="LogFileAppender" type="log4net.Appender.FileAppender">
    <param name="File" value="Log/MyBlog.log"/>
    <param name="datePattern" value="YY-MM-dd HH:mm"/>
    <param name="AppendToFile" value="true"/>
    <layout type="log4net.Layout.PatternLayout">
      <param name="ConversionPattern" value="%d [%t] %-5p %c [%x] - %m%n"/>
    </layout>
  </appender>
  <appender name="HttpTraceAppender" type="log4net.Appender.ASPNetTraceAppender">
    <layout type="log4net.Layout.PatternLayout">
      <param name="ConversionPattern" value="%d [%t] %-5p %c [%x] - %m%n"/>
    </layout>
  </appender>
  <appender name="EventLogAppender" type="log4net.Appender.EventLogAppender">
    <layout type="log4net.Layout.PatternLayout">
      <param name="ConversionPattern" value="%d [%t] %-5p %c [%x] - %m%n"/>
    </layout>
  </appender>
  <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
    <file value="log\MyBlog"/>
    <appendToFile value="true"/>
    <rollingStyle value="Date"/>
    <datePattern value="_yyyyMMdd'.log'"/>
    <staticLogFileName value="false"/>
    <layout type="log4net.Layout.PatternLayout">
      <conversionPattern value="%d [%t] %-5p %c - %m%n"/>
    </layout>
  </appender>
  <root>
    <level value="INFO"/>
    <!--<level value="ERROR" />-->
    <appender-ref ref="RollingLogFileAppender"/>
  </root>
</log4net>

3)  配置Web.Config文件,代码如下:

<configuration>
    <configSections>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/>

    ...

       <log4net configSource="log4net.config"/>
       <system.web>

</configuration>

4)  在Global.asax文件中加入如下代码:

using log4net.Config;
 
public class Global : System.Web.HttpApplication
{

        protected void Application_Start(object sender, EventArgs e)
        {
            XmlConfigurator.Configure();
        }
        ...
}

5)  在客户端类中按如下方法加入日志:

using log4net;

 

// 将logger作为类的成员变量
private static readonly ILog logger = LogManager.GetLogger(typeof(类名));

...

logger.Info("信息日志");

logger.Error("错误日志");