.Net Core使用 Log4Net

  

   

    

     

    
    

     
    public class YFLog
     
    
   

    

     

    
    

     

          {
     
    
   

    

     

    
    

     
        private static log4net.ILog logger = null;
     
    
   

    

     

    
    

     
        public static void logInfo(string logstr)
     
    
   

    

     

    
    

     

              {
     
    
   

    

     

    
    

     

                  Console.WriteLine(logstr);
     
    
   

    

     

    
    

     
            if(initLog4net())
     
    
   

    

     

    
    

     

                    logger.Info(logstr);
     
    
   

    

     

    
    

     

              }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
        public static void logInfo(string format, params object[] args)
     
    
   

    

     

    
    

     

              {
     
    
   

    

     

    
    

     

                  Console.WriteLine(format, args);
     
    
   

    

     

    
    

     
            if (initLog4net())
     
    
   

    

     

    
    

     

                      logger.InfoFormat(format, args);
     
    
   

    

     

    
    

     

              }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
        public static void logError(string logstr)
     
    
   

    

     

    
    

     

              {
     
    
   

    

     

    
    

     

                  Console.WriteLine(logstr);
     
    
   

    

     

    
    

     
            if (initLog4net())
     
    
   

    

     

    
    

     

                      logger.Error(logstr);
     
    
   

    

     

    
    

     

              }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
        public static void logError(string format, params object[] args)
     
    
   

    

     

    
    

     

              {
     
    
   

    

     

    
    

     

                  Console.WriteLine(format, args);
     
    
   

    

     

    
    

     
            if (initLog4net())
     
    
   

    

     

    
    

     

                      logger.ErrorFormat(format, args);
     
    
   

    

     

    
    

     

              }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
        private static object objlock = new object();//初始化log用的锁
     
    
   

    

     

    
    

     
        private static bool initLog4net()
     
    
   

    

     

    
    

     

              {
     
    
   

    

     

    
    

     
            if (logger != null)
     
    
   

    

     

    
    

     
                return true;
     
    
   

    

     

    
    

     
            lock (objlock)
     
    
   

    

     

    
    

     

                  {
     
    
   

    

     

    
    

     
                if (logger == null)
     
    
   

    

     

    
    

     

                      {
     
    
   

    

     

    
    

     

                          ILoggerRepository repository = LogManager.CreateRepository("NETCoreRepository");
     
    
   

    

     

    
    

     

                          XmlConfigurator.Configure(repository, new FileInfo("log4net.config"));
     
    
   

    

     

    
    

     

                          logger = LogManager.GetLogger(repository.Name, "NETCorelog4net");
     
    
   

    

     

    
    

     
                    return true;
     
    
   

    

     

    
    

     

                      }
     
    
   

    

     

    
    

     

                  }
     
    
   

    

     

    
    

     
            return false;
     
    
   

    

     

    
    

     

              }
     
    
   

    

     

    
    

     

          }
     
    
  
 

  
 
 

log4net.config

  

   

    

     

    
    

     

      <?xml version="1.0" encoding="utf-8" ?>
     
    
   

    

     

    
    

     

      <configuration>
     
    
   

    

     

    
    

     

        <!-- This section contains the log4net configuration settings -->
     
    
   

    

     

    
    

     

        <log4net>
     
    
   

    

     

    
    

     

          <appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender">
     
    
   

    

     

    
    

     

            <layout type="log4net.Layout.PatternLayout" value="%date [%thread] %-5level %logger - %message%newline" />
     
    
   

    

     

    
    

     

          </appender>
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     

          <appender name="errorAppender" type="log4net.Appender.RollingFileAppender">
     
    
   

    

     

    
    

     

            <file value="Logs/" />
     
    
   

    

     

    
    

     

            <appendToFile value="true" />
     
    
   

    

     

    
    

     

            <rollingStyle value="Composite" />
     
    
   

    

     

    
    

     

            <staticLogFileName value="false" />
     
    
   

    

     

    
    

     

            <datePattern value="error-yyyyMMdd'.log'" />
     
    
   

    

     

    
    

     

            <maxSizeRollBackups value="10" />
     
    
   

    

     

    
    

     

            <maximumFileSize value="1MB" />
     
    
   

    

     

    
    

     

            <layout type="log4net.Layout.PatternLayout">
     
    
   

    

     

    
    

     

              <conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />
     
    
   

    

     

    
    

     

            </layout>
     
    
   

    

     

    
    

     

          </appender>
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

          <appender name="infoAppender" type="log4net.Appender.RollingFileAppender">
     
    
   

    

     

    
    

     

            <file value="Logs/" />
     
    
   

    

     

    
    

     

            <appendToFile value="true" />
     
    
   

    

     

    
    

     

            <rollingStyle value="Composite" />
     
    
   

    

     

    
    

     

            <staticLogFileName value="false" />
     
    
   

    

     

    
    

     

            <datePattern value="yyyyMMdd'.log'" />
     
    
   

    

     

    
    

     

            <maxSizeRollBackups value="10" />
     
    
   

    

     

    
    

     

            <maximumFileSize value="1MB" />
     
    
   

    

     

    
    

     

            <layout type="log4net.Layout.PatternLayout">
     
    
   

    

     

    
    

     

              <conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />
     
    
   

    

     

    
    

     

            </layout>
     
    
   

    

     

    
    

     

          </appender>
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

          <!-- Setup the root category, add the appenders and set the default level -->
     
    
   

    

     

    
    

     

          <root>
     
    
   

    

     

    
    

     

            <level value="ALL" />
     
    
   

    

     

    
    

     

            <appender-ref ref="ConsoleAppender" />
     
    
   

    

     

    
    

     

            <appender-ref ref="errorAppender" />
     
    
   

    

     

    
    

     

            <appender-ref ref="infoAppender" />
     
    
   

    

     

    
    

     

          </root>
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

        </log4net>
     
    
   

    

     

    
    

     

      </configuration>
     
    
  
 

  
 
 

文章来源: zzzili.blog.csdn.net，作者：清雨小竹，版权归原作者所有，如需转载，请联系作者。

原文链接：zzzili.blog.csdn.net/article/details/79277233