都可以用最好有1.1的版本的
输出的话
需要配置app.config的文件才可以看到<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<system.net>
<settings>
<httpWebRequest useUnsafeHeaderParsing="true" />
</settings>
</system.net>
<log4net> <!-- Define some output appenders --> <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
<file value="rolling-log.txt" />
<appendToFile value="true" /> <maxSizeRollBackups value="10" />
<maximumFileSize value="100" />
<rollingStyle value="Size" />
<staticLogFileName value="true" /> <layout type="log4net.Layout.PatternLayout">
<header value="[Header] "/>
<footer value="[Footer] "/>
<conversionPattern value="%date [%thread] %-5level %logger [%ndc] - %message%newline" />
</layout>
</appender> <appender name="LogFileAppender" type="log4net.Appender.FileAppender" >
<file value="D:\\log-file.txt" /> <!-- Example using environment variables in params -->
<!-- <file value="${TMP}\log-file.txt" /> -->
<appendToFile value="true" /> <!-- An alternate output encoding can be specified -->
<!-- <encoding value="unicodeFFFE" /> --> <layout type="log4net.Layout.PatternLayout">
<header value="[Header] "/>
<footer value="[Footer] "/>
<conversionPattern value="%date [%thread] %-5level %logger [%ndc] <%property{auth}> - %message%newline" />
</layout>
<!-- Alternate layout using XML
<layout type="log4net.Layout.XMLLayout" /> -->
</appender> <appender name="MulticastAppender" type="log4net.Appender.UdpAppender" >
<threshold value="WARN" />
<remoteAddress value="224.0.0.1" />
<remotePort value="8080" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger [%ndc] - %message%newline" />
</layout>
</appender> <appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender" >
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger [%ndc] <%property{auth}> - %message%newline" />
</layout>
</appender> <!--
<appender name="A" type="log4net.Appender.ForwardingAppender" >
<threshold value="WARN"/>
<appender-ref ref="ConsoleAppender" />
</appender>
<appender name="B" type="log4net.Appender.ForwardingAppender" >
<filter type="log4net.Filter.LevelRangeFilter">
<levelMin value="DEBUG"/>
<levelMax value="INFO"/>
</filter>
<appender-ref ref="ConsoleAppender" />
</appender>
--> <!-- Setup the root category, add the appenders and set the default level --> <root>
<level value="INFO" />
<appender-ref ref="LogFileAppender" />
<appender-ref ref="ConsoleAppender" />
<appender-ref ref="MulticastAppender" />
<!-- <appender-ref ref="A" /> -->
</root> <!-- Specify the level for some specific categories --> <logger name="ConsoleApp.LoggingExample">
<!-- <appender-ref ref="B" /> -->
<level value="ALL" />
<appender-ref ref="RollingLogFileAppender" />
</logger> </log4net>
</configuration>
输出的话
需要配置app.config的文件才可以看到<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<system.net>
<settings>
<httpWebRequest useUnsafeHeaderParsing="true" />
</settings>
</system.net>
<log4net> <!-- Define some output appenders --> <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
<file value="rolling-log.txt" />
<appendToFile value="true" /> <maxSizeRollBackups value="10" />
<maximumFileSize value="100" />
<rollingStyle value="Size" />
<staticLogFileName value="true" /> <layout type="log4net.Layout.PatternLayout">
<header value="[Header] "/>
<footer value="[Footer] "/>
<conversionPattern value="%date [%thread] %-5level %logger [%ndc] - %message%newline" />
</layout>
</appender> <appender name="LogFileAppender" type="log4net.Appender.FileAppender" >
<file value="D:\\log-file.txt" /> <!-- Example using environment variables in params -->
<!-- <file value="${TMP}\log-file.txt" /> -->
<appendToFile value="true" /> <!-- An alternate output encoding can be specified -->
<!-- <encoding value="unicodeFFFE" /> --> <layout type="log4net.Layout.PatternLayout">
<header value="[Header] "/>
<footer value="[Footer] "/>
<conversionPattern value="%date [%thread] %-5level %logger [%ndc] <%property{auth}> - %message%newline" />
</layout>
<!-- Alternate layout using XML
<layout type="log4net.Layout.XMLLayout" /> -->
</appender> <appender name="MulticastAppender" type="log4net.Appender.UdpAppender" >
<threshold value="WARN" />
<remoteAddress value="224.0.0.1" />
<remotePort value="8080" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger [%ndc] - %message%newline" />
</layout>
</appender> <appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender" >
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger [%ndc] <%property{auth}> - %message%newline" />
</layout>
</appender> <!--
<appender name="A" type="log4net.Appender.ForwardingAppender" >
<threshold value="WARN"/>
<appender-ref ref="ConsoleAppender" />
</appender>
<appender name="B" type="log4net.Appender.ForwardingAppender" >
<filter type="log4net.Filter.LevelRangeFilter">
<levelMin value="DEBUG"/>
<levelMax value="INFO"/>
</filter>
<appender-ref ref="ConsoleAppender" />
</appender>
--> <!-- Setup the root category, add the appenders and set the default level --> <root>
<level value="INFO" />
<appender-ref ref="LogFileAppender" />
<appender-ref ref="ConsoleAppender" />
<appender-ref ref="MulticastAppender" />
<!-- <appender-ref ref="A" /> -->
</root> <!-- Specify the level for some specific categories --> <logger name="ConsoleApp.LoggingExample">
<!-- <appender-ref ref="B" /> -->
<level value="ALL" />
<appender-ref ref="RollingLogFileAppender" />
</logger> </log4net>
</configuration>
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<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
</configSections>
<log4net>
<!-- Setup the root category, add the appenders and set the default priority -->
<root>
<priority value="DEBUG" />
<appender-ref ref="RollingLogFileAppender" />
</root> <!-- Define some output appenders -->
<!-- ローテーションログファイル -->
<appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
<!--这里设定log文件路径-->
<param name="File" value="D:\Debug.log" />
<param name="AppendToFile" value="true" />
<param name="MaxSizeRollBackups" value="100" />
<param name="MaximumFileSize" value="5000000" />
<param name="RollingStyle" value="Size" />
<param name="StaticLogFileName" value="true" />
<lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
<layout type="log4net.Layout.PatternLayout,log4net">
<!--这里定义显示格式,可以把时间等信息加上-->
<param name="ConversionPattern" value="%d %-5p [%t] [%c] %m%n" />
</layout>
</appender>
</log4net>
1.添加log4net引用
2.设置配置文件如我上面所示,你的log文件路径设置正确了没
3.AssemblyInfo.cs设置:
[assembly: log4net.Config.XmlConfigurator(Watch=true,ConfigFile="log4net.config")]
4.button_Click中
Log4net.ILog log = Log4net.LogManager.GetLogger("MyLogger");
log.Info("你好");
log4net使用中遇到的一些问题(Filter)
http://blog.csdn.net/wuhuif/archive/2006/10/25/1350719.aspx
.Net配置log4net,使用log4net-1.2.0-beta8
http://www.itbody.com/doc/Html/Visual.NET/2250166.html
在.Net程序中使用log4net记录日志(示例)
http://dev.csdn.net/develop/article/59/59774.shtm
Log4net教程
http://www.cnblogs.com/fujingqiu/archive/2006/11/12/558152.html
摩诘
Log4Net使用指南
http://www.cnblogs.com/dragon/archive/2005/03/24/124254.html
System.Reflection.MethodBase.GetCurrentMethod().DeclaringType一壶开水.net
.net日记记录log4net用法
http://www.cnblogs.com/halabazi/archive/2005/06/21/178720.aspxASP.NET中使用Apache log4net
http://www.cnblogs.com/JoinZhang/archive/2006/04/14/375171.htmlLog4net配置学习
http://blog.csdn.net/xjpeng/archive/2005/01/24/265896.aspxlog4net使用指南
http://www.cnblogs.com/yorker/archive/2005/04/01/129964.aspx
看看这个.