c# 添加日志

引用

2.添加配置

  a.在主项目配置文件里

    

  b. 关键

     

3.添加代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace KingUnit.Framework
{
    public class LogProvider
    {
        private static log4net.ILog log = null;
        private LogProvider()
        {
        }
        private static log4net.ILog GetLogger()
        {
            if (log == null)
            {
                log = log4net.LogManager.GetLogger(ConfigProvider.Log4NetAppender);
            }
            return log;
        }
        public static void LogInfo(string message)
        {
            var log = GetLogger();
            log.Info(message);
        }
        public static void LogDebug(string message, Exception exception = null)
        {
            var log = GetLogger();
            log.Debug(message, exception);
        }
        public static void LogWarn(string message, Exception exception = null)
        {
            var log = GetLogger();
            log.Warn(message, exception);
        }
        public static void LogFatal(string message, Exception exception = null)
        {
            var log = GetLogger();
            log.Fatal(message, exception);
        }
        public static void LogError(string message, Exception exception = null)
        {
            var log = GetLogger();
            log.Error(message, exception);
        }
    }
}

<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />

<add key="log4net.Config.Watch" value="True" />
<add key="Log4NetAppender" value="RollingFile" />

<log4net>
    <appender name="RollingFile" type="log4net.Appender.RollingFileAppender">
      <file value="log/" />
      <appendToFile value="true" />
      <rollingStyle value="Date" />
      <datePattern value="yyyy-MM-dd".log"" />
      <staticLogFileName value="false" />
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="[%date]    [%thread]    [%-5level]    [%logger]    -    %message%newline" />
      </layout>
    </appender>
    <root>
      <level value="ALL" />
      <appender-ref ref="RollingFile" />
    </root>
  </log4net>

[assembly: log4net.Config.XmlConfigurator(Watch = true)]

   读取配置文件参数

public class ConfigProvider
   {
       public static string Log4NetAppender
       {
           get
           {
               string result = string.Empty;
               try
               {
                   result = ConfigurationManager.AppSettings["Log4NetAppender"];
               }
               catch (Exception ex)
               {
                   LogProvider.LogError(ex.Message);
               }
               return result;
           }
       }
    }