LYZHGD_3.0/还原代码/Common/SysLog.cs

using System;
using System.IO;
using System.Text;
using System.Web.UI;

namespace Common
{
	public class SysLog
	{
		private static Exception EX = null;

		private static string Leve = null;

		private static string Position = null;

		public static void WriteLog(Exception ex)
		{
			SysLog.EX = ex;
			SysLog.WriteDisk();
		}

		public static void WriteLog(Exception ex, string position)
		{
			SysLog.EX = ex;
			SysLog.Position = position;
			SysLog.WriteDisk();
		}

		public static void WriteLog(Exception ex, string position, string leve)
		{
			SysLog.EX = ex;
			SysLog.Leve = leve;
			SysLog.Position = position;
			SysLog.WriteDisk();
		}

		private static void WriteDisk()
		{
			FileStream fs = null;
			try
			{
				string str = "时间:" + DateTime.Now.ToString();
				if (SysLog.EX != null)
				{
					str = "错误消息:" + SysLog.EX.Message + "\t";
					if (SysLog.EX.HelpLink != null)
					{
						str = str + "与此关联的文件:" + SysLog.EX.HelpLink + "\t";
					}
					str = str + "错误消息字符串表示:" + SysLog.EX.StackTrace + "\t";
				}
				if (SysLog.Position != null)
				{
					str = str + "错误位置:" + SysLog.Position + "\t";
				}
				if (SysLog.Leve != null)
				{
					str = str + "错误级别:" + SysLog.Leve + "\t";
				}
				Page pag = new Page();
				str += "\r\n\r\n";
				string path = pag.Server.MapPath("/") + "\\Log\\" + DateTime.Now.ToShortDateString() + "Log.log";
				if (!File.Exists(path))
				{
					Directory.CreateDirectory(pag.Server.MapPath("/") + "\\Log");
					File.Create(path).Close();
				}
				byte[] bytData = Encoding.Default.GetBytes(str);
				fs = new FileStream(path, FileMode.Append, FileAccess.Write, FileShare.ReadWrite, 2048);
				fs.Write(bytData, 0, bytData.Length);
			}
			finally
			{
				if (fs != null)
				{
					fs.Close();
				}
				SysLog.EX = null;
				SysLog.Position = null;
				SysLog.Leve = null;
			}
		}
	}
}