.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