1.1代码
public class Logger
{
public static void Setup()
{
Hierarchy hierarchy = (Hierarchy) LogManager.GetRepository();
PatternLayout patternLayout = new PatternLayout();
patternLayout.ConversionPattern = "%date [%thread] %-5level %logger - %message%newline";
patternLayout.ActivateOptions();
RollingFileAppender roller = new RollingFileAppender();
roller.AppendToFile = false;
roller.File = @"Logs\EventLog.txt";
roller.Layout = patternLayout;
roller.MaxSizeRollBackups = 5;
roller.MaximumFileSize = "1GB";
roller.RollingStyle = RollingFileAppender.RollingMode.Size;
roller.StaticLogFileName = true;
roller.ActivateOptions();
hierarchy.Root.AddAppender(roller);
MemoryAppender memory = new MemoryAppender();
memory.ActivateOptions();
hierarchy.Root.AddAppender(memory);
hierarchy.Root.Level = Level.Info;
hierarchy.Configured = true;
}
}
1.2代码调用
1.2.1 在程序启动的时候,调用 Logger.Setup();
1.2.2 输出日志
private static void Application_ThreadException(object sender,ThreadExceptionEventArgs e)
{
var logger = LogManager.GetLogger(sender.GetType());
logger.Error("Error", e.Exception);
MessageBox.Show(e.Exception.Message);
}
2.通过配置文件进行配置
2.1配置文件内容
<configSections>
<section name ="log4net" type ="System.Configuration.IgnoreSectionHandler"/>
</configSections>
<log4net>
<appender name="errorAppender" type="log4net.Appender.RollingFileAppender">
<filter type="log4net.Filter.LevelMatchFilter">
<levelToMatch value="ERROR" />
</filter>
<filter type="log4net.Filter.DenyAllFilter" />
<File value="Logs\err.log" />
<PreserveLogFileNameExtension value="true" />
<appendToFile value="true" />
<rollingStyle value="Date" />
<datePattern value="yyyyMMdd" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger - %message%newline" />
</layout>
</appender>
<appender name="infoAppender" type="log4net.Appender.RollingFileAppender">
<filter type="log4net.Filter.LevelMatchFilter">
<levelToMatch value="INFO" />
</filter>
<filter type="log4net.Filter.DenyAllFilter" />
<File value="Logs\info.log" />
<PreserveLogFileNameExtension value="true" />
<appendToFile value="true" />
<rollingStyle value="Date" />
<datePattern value="yyyyMMdd" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger - %message%newline" />
</layout>
</appender>
<appender name="debugAppender" type="log4net.Appender.RollingFileAppender">
<filter type="log4net.Filter.LevelMatchFilter">
<levelToMatch value="DEBUG" />
</filter>
<filter type="log4net.Filter.DenyAllFilter" />
<File value="Logs\debug.log" />
<PreserveLogFileNameExtension value="true" />
<appendToFile value="true" />
<rollingStyle value="Date" />
<datePattern value="yyyyMMdd" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger - %message%newline" />
</layout>
</appender>
<appender name="perfAppender" type="log4net.Appender.RollingFileAppender">
<filter type="log4net.Filter.LevelMatchFilter">
<levelToMatch value="INFO" />
</filter>
<filter type="log4net.Filter.DenyAllFilter" />
<File value="Logs\perf.log" />
<PreserveLogFileNameExtension value="true" />
<appendToFile value="true" />
<rollingStyle value="Date" />
<datePattern value="yyyyMMdd" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date %logger - %message%newline" />
</layout>
</appender>
<root>
<level value="ALL" />
<appender-ref ref="errorAppender" />
<appender-ref ref="infoAppender" />
<appender-ref ref="debugAppender" />
</root>
<logger name="Performance" additivity="false">
<level value="ALL" />
<appender-ref ref="perfAppender" />
</logger>
</log4net>
需要注意
XmlConfigurator.Configure();这个不带参数的用法,需要研究一下