<configSections> <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" /> </configSections> <log4net> <!--定义输出到文件中--> <appender name="uFile" type="log4net.Appender.RollingFileAppender"> <!--定义文件存放位置--> <file value="log\\" /> <appendToFile value="true" /> <rollingStyle value="Date" /> <datePattern value="yyyyMMdd'.txt'" /> <staticLogFileName value="false" /> <param name="MaxSizeRollBackups" value="100" /> <layout type="log4net.Layout.PatternLayout"> <!--每条日志末尾的文字说明--> <!--输出格式--> <!--样例:2008-03-26 13:42:32,111 [10] INFO Log4NetDemo.MainClass [(null)] - info--> <conversionPattern value="%newline %ndatetime:%date threadID:[%thread] level: %-5level class:%logger property: [%property{NDC}] - %n%message%newline %n" /> </layout> </appender> <root> <level value="ALL" /> <!--文件形式记录日志--> <appender-ref ref="uFile" /> </root> </log4net>
private ILog logger = LogManager.GetLogger(typeof(UClass));
using log4net;