1.app.config

2.日志类

/// 
    /// LogTools帮助类    /// 
    public class LogTools    {        public static readonly log4net.ILog Loginfo = log4net.LogManager.GetLogger("MyLogo4Net");   //选择
    
     的配置         //public static readonly log4net.ILog Logerror = log4net.LogManager.GetLogger("logerror");   //选择
     
      的配置         public static void SetConfig()        {            log4net.Config.XmlConfigurator.Configure();        }        /// 
      
        /// 设置文件路径        /// 
        /// 
              public static void SetConfig(FileInfo configFile)        {            log4net.Config.XmlConfigurator.Configure(configFile);        }        /// 
      
        /// 写系统信息日志        /// 
        /// 
              public static void WriteLog(string info)        {            if (Loginfo.IsInfoEnabled)            {                Loginfo.Info(info);            }        }        /// 
      
        /// 写错误日志        /// 
        /// 
              /// 
              public static void WriteErrorLog(string error, Exception se)        {            if (Loginfo.IsErrorEnabled)            {                Loginfo.Error(error, se);            }        }        /// 
      
        /// 写错误日志        /// 
        /// 
              /// 
              public static void WriteErrorLog(string error)        {            if (Loginfo.IsErrorEnabled)            {                Loginfo.Error(error);            }        }    }
     
    

3.设置Log4Net

程序启动设置LogTools.SetConfig();