你好LOG4NET -----在C#中使用LOG4NET
1.下载log4net (Google log4net) 2.unzip log4net 3.运行VS,新建 c# Windows应用程序。 4.添加引用Log4NET 5.新建一个应用程序配置文件App.config(具体内容附在后面) 6.打开Form1.cs, 在Namespace上添加一行 [assembly: log4net.Config.DOMConfigurator(Watch=true)] 在类Form1中添加一个静态变量 private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
7.添加一个按钮。在按钮处理函数中添加一行 log.Warn("你好!");
8.运行程序。点一下按钮。
OK,打开Bin\Debug\log-file.txt,可以看到“你好”。
附.App.config
<?xml version="1.0" encoding="utf-8" ?> <configuration> <!-- Register a section handler for the log4net section --> <configSections> <section name="log4net" type="System.Configuration.IgnoreSectionHandler" /> </configSections> <appSettings> <!-- To enable internal log4net logging specify the following appSettings key --> <!-- <add key="log4net.Internal.Debug" value="true"/> --> </appSettings> <!-- This section contains the log4net configuration settings --> <log4net> <!-- Define some output appenders --> <appender name="LogFileAppender" type="log4net.Appender.FileAppender"> <param name="File" value="log-file.txt" /> <!-- Example using environment variables in params --> <!-- <param name="File" value="${TMP}\\log-file.txt" /> --> <param name="AppendToFile" value="true" /> <!-- An alternate output encoding can be specified --> <!-- <param name="Encoding" value="unicodeFFFE" /> --> <layout type="log4net.Layout.PatternLayout"> <param name="Header" value="[Header]\r\n" /> <param name="Footer" value="[Footer]\r\n" /> <param name="ConversionPattern" value="%d [%t] %-5p %c [%x] <%X{auth}> - %m%n" /> </layout> <!-- Alternate layout using XML <layout type="log4net.Layout.XMLLayout" /> --> </appender>
<!-- Setup the root category, add the appenders and set the default level --> <root> <level value="ALL" /> <appender-ref ref="LogFileAppender" /> <!-- <appender-ref ref="A" /> --> </root> <!-- Specify the level for some specific categories --> <logger name="SLog4net.Form1"> <!-- <appender-ref ref="B" /> --> <level value="ALL" /> <appender-ref ref="RollingLogFileAppender" /> </logger> </log4net> </configuration>

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