简述:初次使用者可以看这个,后一篇文字会带有公用方法
第一步给应用程序的NuGet包管理中添加log4net
第二步修改app.config在configuration标签下添加如下内容,其中这个logs文件夹不需要新建
<configSections>
<section name="log4net" type="System.Configuration.IgnoreSectionHandler"/>
</configSections>
<appSettings>
</appSettings>
<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" >
<!--日志存储路径-->
<param name="File" value="Logs/" />
<param name="AppendToFile" value="true" />
<param name="RollingStyle" value="Date" />
<param name="DatePattern" value=""log_"yyyy-MM-dd".txt"" />
<param name="StaticLogFileName" value="false" />
<layout type="log4net.Layout.PatternLayout,log4net">
<param name="ConversionPattern" value="%m%n %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>
第三步,定义一个简单的测试类重点下面哪行这个是必须加的
[assembly: log4net.Config.XmlConfigurator(Watch = true)]
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using log4net;
using System.Reflection;
[assembly: log4net.Config.XmlConfigurator(Watch = true)]
namespace ConsoleApplication1
{
public class loghelper
{
public void OutputMsg(string msg)
{
ILog log = log4net.LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
log.Info(msg);
log.Info("\r\n");
}
}
}
第四步,测试使用
LogHelper log=new LogHelper();
log.OutputMsg("test");
第五步查看日志,日志在bin的Debug下的log文件夹里面