<!--重点configsections必须是第一个节点1og4net配置-->

<configSections>

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

</configSections>

  <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">

  <!--日志文件夹名称-->

  <param name="File" value="ProJectsLogs/" />

  <param name="AppendToFile" value="true" />

  <param name="RollingStyle" value="Date" />

  <param name="DatePattern" value="&quot;Logs_&quot;yyyyMMdd&quot;.txt&quot;" />

  <param name="StaticLogFileName" value="false" />

  <layout type="log4net.Layout.PatternLayout,log4net">

  <param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n" />

  </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>

[assembly: log4net.Config.XmlConfigurator(ConfigFileExtension = "config", Watch = true)]

//首先实例化Log4net

private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);

//使用记录信息

log.Debug("Debug", new Exception("Debug"));

log.Info("Info", new Exception("Info"));

log.Warn("Warn", new Exception("Warn"));

log.Error("Error", new Exception("Error"));

log.Fatal("Fatal", new Exception("Fatal"));