log4net的基本配置及用法

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using System.Reflection;  //使用反射

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

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<configSections>

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

  </configSections>

  <log4net>

    <!--定义输出到文件中-->

    <appender name="LogFileAppender" type="log4net.Appender.FileAppender">

      <!--定义文件存放位置-->

      <file value="logs/log4netfile.txt" />

      <appendToFile value="true" />

      <rollingStyle value="Date" />

      <datePattern value="yyyyMMdd-HH:mm:ss.SSS" />

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

        <!--输出格式-->

        <!--样例：2008-03-26 13:42:32,111 [10] INFO  Log4NetDemo.MainClass [(null)] - info-->

        <conversionPattern value="%date %thread %-5level %logger property:[%property{NDC}] - %message%newline" />

      </layout>

    </appender>

    <!--定义输出到控制台命令行中-->

    <appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender">

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

        <conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />

      </layout>

    </appender>

    <root>

      <!--控制台控制显示日志-->

      <appender-ref ref="ConsoleAppender"  />

      <appender-ref ref="LogFileAppender"  />

    </root>

  </log4net>