新建一个公共类Global:
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.IO;
using log4net;
using log4net.Config;
namespace DLAFMS.SysCommon {
/// <summary>
/// 公共类
/// </summary>
public class Global {
/// <summary>
/// 日志记录者
/// </summary>
public static readonly ILog mainLog = GetLog("DLAFMS");