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C# log4net:使用ILog和ILogger的区别/优势是什么?_C#_Logging_Log4net - Fatal编程技术网

C# log4net:使用ILog和ILogger的区别/优势是什么?

C# log4net:使用ILog和ILogger的区别/优势是什么?,c#,logging,log4net,C#,Logging,Log4net,在下面的代码示例中,使用了两种方法。有一个类似的问题,但没有给出真正的解释,我也不能评论这篇文章 public static partial class Log { private readonly static Type ThisDeclaringType = typeof(Log); private static readonly ILogger defaultLogger; private static readonly ILog defaultLog;

在下面的代码示例中,使用了两种方法。有一个类似的问题,但没有给出真正的解释,我也不能评论这篇文章

public static partial class Log
{
    private readonly static Type ThisDeclaringType = typeof(Log);
    private static readonly ILogger defaultLogger;
    private static readonly ILog defaultLog;

    // Setup our default logger
    static Log()
    {
        defaultLogger = LoggerManager.GetLogger(Assembly.GetCallingAssembly(), "CTWorkManager");
        defaultLog = LogManager.GetLogger(Assembly.GetCallingAssembly(), "CTWorkManager");
    }

    public static void Info(object message)
    {
        if (defaultLogger.IsEnabledFor(Level.Info))
        {
            defaultLogger.Log(ThisDeclaringType, Level.Info, message, null);
        }
        if (defaultLog.IsInfoEnabled)
        {
            defaultLog.Info(message, null);
        }
    }
    // etc...
}

}

ILogger是所有记录器实现的接口。该接口定义了对开发有用的其他方法,例如IsEnabledFor(级别)。您可以使用ILogger实现自己的自定义记录器。您应该在应用程序中使用ILog接口将消息记录到。

记录器用作日志记录的调整。您可以管理日志级别(您可以阅读有关级别的更多信息),也可以从记录器管理appanderLog依次执行将数据保存到特定文件的任务

考虑以下示例:

log4net.config

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <configSections>
        <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />
    </configSections>

    <log4net>
        <appender name="FooRollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
            <file value="..\\logs\\foo.log" />
            <lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
            <appendToFile value="true" />
            <rollingStyle value="Date" />
            <datePattern value=".yyyyMMdd" />
            <staticLogFileName value="false" />
            <layout type="log4net.Layout.PatternLayout">
                <conversionPattern value="===================================================================%n%-5p %d - %m%n%n" />
            </layout>
        </appender>
        <logger name="FooLogger">
            <level value="ALL" />
            <appender-ref ref="FooRollingLogFileAppender" />
        </logger>


      <appender name="BooRollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
        <file value="..\\logs\\boo.log" />
        <lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
        <appendToFile value="true" />
        <rollingStyle value="Date" />
        <datePattern value=".yyyyMMdd" />
        <staticLogFileName value="false" />
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="===================================================================%n%-5p %d - %m%n%n" />
        </layout>
      </appender>
      <appender name="console" type="log4net.Appender.ConsoleAppender">
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%date %level %logger - %message%newline" />
        </layout>
      </appender>
      <logger name="BooLogger">
        <level value="WARN" />
        <appender-ref ref="BooRollingLogFileAppender" />
        <appender-ref ref="console" />
      </logger>


    </log4net>
</configuration>

ILog还支持级别检查(例如,“IsInfo启用”),如上面的示例所示,您可以使用自己的方法将其包装起来。但我认为它必须比这更深,否则为什么要把它们都暴露出来?看起来你可以用ILogger做更多的事情-但是什么和为什么?
public class Log
{
    private static readonly ILog booLogger = LogManager.GetLogger("BooLogger");
    static Log()
    {
        XmlConfigurator.Configure(new FileInfo("log4net.config"));
    }


    public static void BooLog(string msg)
    {
        booLogger.Info(msg);
        booLogger.Fatal("fatal");
    }
}


static void Main()
{
    Log.BooLog("asdasd");
}