log4net.dll 日志 使用示例 以及源码下载

【实例简介】

一款相当强大的开源的日志工具

【核心代码】

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace Log4netSimple
{
    public class LogHelper
    {
        private LogHelper()
        {
            SetConfig();
        }

        private static readonly log4net.ILog loginfo = log4net.LogManager.GetLogger("loginfo");

        private static bool IsLoadConfig = false;
        private static void SetConfig()
        {
            log4net.Config.DOMConfigurator.Configure();
        }

        /// <summary>
        /// 记录日志
        /// </summary>
        /// <param name="info">提示信息</param>
        public static void WriteLog(string info)
        {
            if (!IsLoadConfig)
            {
                SetConfig();
                IsLoadConfig = true;
            }
            if (loginfo.IsInfoEnabled)
            {
                loginfo.Info(info);
            }
        }

        /// <summary>
        /// 记录异常
        /// </summary>
        /// <param name="info">错误</param>
        /// <param name="ex">Exception</param>
        public static void WriteLog(string info, Exception ex)
        {
            if (!IsLoadConfig)
            {
                SetConfig();
                IsLoadConfig = true;
            }
            if (loginfo.IsErrorEnabled)
            {
                loginfo.Error(info, ex);
            }
        }

    }
}