log4net(c#) 配置及使用

  • 链接:https://www.cnblogs.com/wangboke/p/5344507.html

  • 1.引入库log4net.dll

  • 2.展开项目文件下的Properties文件夹,打开AssemblyInfo.cs并在AssemblyInfo.cs中添加一行:在AssemblyInfo.cs中添加一行:(其中log4net.config对应配置文件名)

  • [assembly: log4net.Config.XmlConfigurator(ConfigFile = "log4net.config", ConfigFileExtension = "config", Watch = true)]

     

  • 3.添加log4net.config配置文件: 
  • 
    
      
        

     

  • 4.添加一个公共的日志管理类AppLog.cs
  • using System;
    using System.Collections.Generic;
    using System.Text;
    using log4net;
    using log4net.Config;
    using System.IO;
     
     
    namespace log4net
    {
        /// 
        /// 使用Log4net插件的log日志对象
        /// 
        public static class AppLog
        {
            private static ILog log;
     
            static AppLog()
            {
                XmlConfigurator.ConfigureAndWatch(new FileInfo(AppDomain.CurrentDomain.SetupInformation.ConfigurationFile));
                log = LogManager.GetLogger(typeof(AppLog));
            }
     
            public static void Debug(object message)
            {
                log.Debug(message);
            }
     
            public static void DebugFormatted(string format, params object[] args)
            {
                log.DebugFormat(format, args);
            }
     
            public static void Info(object message)
            {
                log.Info(message);
            }
     
            public static void InfoFormatted(string format, params object[] args)
            {
                log.InfoFormat(format, args);
            }
     
            public static void Warn(object message)
            {
                log.Warn(message);
            }
     
            public static void Warn(object message, Exception exception)
            {
                log.Warn(message, exception);
            }
     
            public static void WarnFormatted(string format, params object[] args)
            {
                log.WarnFormat(format, args);
            }
     
            public static void Error(object message)
            {
                log.Error(message);
            }
     
            public static void Error(object message, Exception exception)
            {
                log.Error(message, exception);
            }
     
            public static void ErrorFormatted(string format, params object[] args)
            {
                log.ErrorFormat(format, args);
            }
     
            public static void Fatal(object message)
            {
                log.Fatal(message);
            }
     
            public static void Fatal(object message, Exception exception)
            {
                log.Fatal(message, exception);
            }
     
            public static void FatalFormatted(string format, params object[] args)
            {
                log.FatalFormat(format, args);
            }
        }
    }

    在任何你想写日志的地方使用,例如:

  • AppLog.Info("Info log");
    AppLog.Error("Error log");

     注意:当运行正常没有创建日志文件或者log = LogManager.GetLogger(typeof(AppLog))中log对象字段值为false时,右击log4net.config选择属性-->高级把复制到项目的值改为始终复制

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