ProductionSystem/ProductionSystem_Log/LogHelper.cs

using NLog;
using System;

namespace ProductionSystem_Log
{
    public class LogHelper
    {
        private static readonly Logger _logger = LogManager.GetCurrentClassLogger();

        /// <summary>
        /// 调试程序
        /// 同样是记录信息，不过出现的频率要比Trace少一些，一般用来调试程序
        /// </summary>        
        /// <param name="msg"></param>
        /// <param name="args"></param>
        public static void Debug(string msg, params object[] args)
        {
            _logger.Debug(msg, args);
        }

        /// <summary>
        /// 信息类型的消息
        /// </summary>
        /// <param name="msg"></param>
        /// <param name="args"></param>
        public static void Info(string msg, params object[] args)
        {
            _logger.Info(msg, args);
        }

        /// <summary>
        /// 警告信息
        /// 一般用于比较重要的场合
        /// </summary>        
        /// <param name="msg"></param>
        /// <param name="args"></param>
        public static void Warn(string msg, params object[] args)
        {
            _logger.Warn(msg, args);
        }

        /// <summary>
        /// 错误信息
        /// </summary>
        /// <param name="exception"></param>
        /// <param name="msg"></param>
        /// <param name="args"></param>
        public static void Error(Exception exception, string msg, params object[] args)
        {
            _logger.Error(exception, msg, args);
        }

        /// <summary>
        /// 致命异常信息
        /// 一般来讲，发生致命异常之后程序将无法继续执行
        /// </summary>
        /// <param name="exception"></param>
        /// <param name="msg"></param>
        /// <param name="args"></param>
        public static void Fatal(Exception exception, string msg, params object[] args)
        {
            _logger.Fatal(exception, msg, args);
        }
    }
}