C#环境下log4net使用方法

 1. 下载log4net开发包

2. 新建一个Windows应用程序,在工程中添加log4net.dll引用

3. 在工程中添加应用程序配置文件,并命名为log4net.config,内容如下:

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <!-- Register a section handler for the log4net section -->
  <configSections>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
  </configSections>

  <!-- This section contains the log4net configuration settings -->
  <log4net>
    <!-- Define some output appenders -->
    <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
      <param name="File" value="log//log-iQSLive.txt"/>
      <param name="appendToFile" value="true"/>
      <param name="datePattern" value="yyyy-MM-dd"/>
      <param name="rollingStyle" value="Date"/>
      <param name="MaxSizeRollBackups" value="60"/>
      <layout type="log4net.Layout.PatternLayout">
        <param name="conversionPattern" value="%d{yyy-MM-dd HH:mm:ss} [%t] [%c]-[%-5p]  %m%n"/>
      </layout>
    </appender>
    <root>
      <level value="Debug"/>
      <appender-ref ref="RollingLogFileAppender"/>
    </root>
  </log4net>s
</configuration>

4.在工程的AssemblyInfo.cs文件中添加如下语句:

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

5.  在From1类中添加:

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

6. 添加一个按钮,并在响应事件中添加如下代码:

    log.Info("按钮被点击!");

7. 将log4net.config文件拷贝到Debug目录下,运行程序点击按钮即可在Debug目录下看到log文件夹下的日志文件

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