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测试可用

代码

using log4net;
string logDirectory = "D:/log";
if (!Directory.Exists(logDirectory))
{Directory.CreateDirectory(logDirectory);
}//初始化 log4net  
log4net.Config.XmlConfigurator.Configure(new FileInfo("log4net.config"));ILog errorLogger = LogManager.GetLogger("logerror");
ILog warningLogger = LogManager.GetLogger("logoperate");
ILog infoLogger = LogManager.GetLogger("loginfo");//记录日志示例  
errorLogger.Error("This is an error message.");
warningLogger.Warn("This is a warning message.");
infoLogger.Info("This is an info message.");try {int i = 0;var e = 1 / i;
}
catch(Exception e) {errorLogger.Error("error", e);
}

config

<configuration><log4net><!--错误日志类--><logger name="logerror"><!--定义记录的日志级别--><level value="ALL" /><appender-ref ref="ErrorAppender" /><appender-ref ref="InfoAppender" /></logger><!--运行信息日志类--><logger name="loginfo"><level value="ALL" /><appender-ref ref="InfoAppender" /></logger><!--操作日志类--><logger name="logoperate"><level value="ALL" /><appender-ref ref="OperateAppender" /><appender-ref ref="InfoAppender" /></logger><!--错误日志附加介质--><appender name="ErrorAppender" type="log4net.Appender.RollingFileAppender"><!-- name属性指定其名称,type则是log4net.Appender命名空间的一个类的名称,意思是,指定使用哪种介质--><param name="File" value="D:\\Log\\Error" /><param name="AppendToFile" value="true" /><param name="MaximumFileSize" value="10MB" /><param name="MaxSizeRollBackups" value="100" /><param name="StaticLogFileName" value="false" /><param name= "DatePattern" value= "yyyy-MM-dd&quot;.log&quot;"/><param name="lockingModel" type="log4net.Appender.FileAppender+MinimalLock" /><param name="RollingStyle" value="Date" /><!--信息日志布局--><layout type="log4net.Layout.PatternLayout"><!--<param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n %loggername" />--><param name="ConversionPattern" value="%date [%t] - %m%n" /></layout></appender><!--信息日志附加介质--><appender name="InfoAppender" type="log4net.Appender.RollingFileAppender"><param name="File" value="D:\\Log\\Info" /><param name="AppendToFile" value="true" /><param name="MaximumFileSize" value="10MB" /><param name="MaxSizeRollBackups" value="100" /><param name="StaticLogFileName" value="false" /><param name= "DatePattern" value= "yyyy-MM-dd&quot;.log&quot;"/><param name="lockingModel" type="log4net.Appender.FileAppender+MinimalLock" /><param name="RollingStyle" value="Date" /><!--信息日志布局--><layout type="log4net.Layout.PatternLayout"><!--<param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n %loggername" />--><param name="ConversionPattern" value="%d [%t][%-1level] - %m%n" /></layout></appender><!--警告日志附加介质--><appender name="OperateAppender" type="log4net.Appender.RollingFileAppender"><!-- name属性指定其名称,type则是log4net.Appender命名空间的一个类的名称,意思是,指定使用哪种介质--><param name="File" value="D:\\Log\\Operate" /><param name="AppendToFile" value="true" /><param name="MaximumFileSize" value="10MB" /><!-- 保存天数--><param name="MaxSizeRollBackups" value="100" /><param name="StaticLogFileName" value="false" /><param name= "DatePattern" value= "yyyy-MM-dd&quot;.log&quot;"/><param name="lockingModel" type="log4net.Appender.FileAppender+MinimalLock" /><param name="RollingStyle" value="Date" /><!--信息日志布局--><layout type="log4net.Layout.PatternLayout"><!--<param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n %loggername" />--><param name="ConversionPattern" value="%d [%t] - %m%n" /></layout></appender><appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender"><layout type="log4net.Layout.PatternLayout"><conversionPattern value="%d [%t]%-5p %c- %m%n" /></layout></appender></log4net>
</configuration>