docadminglobals.cs

这是一学习的好东西

using System;
using System.Configuration;
using System.Collections.Specialized ;
using System.Web;
using System.Collections; 
using System.Web.SessionState;
using System.Data;
using System.IO;
using System.Threading;
using DocAdmin.BLL ;

namespace DocAdmin.COMMON
{
	/// <summary>
	/// 
	/// PMAdminGlobals类包含该解决方案通用的公共变量
	/// 
	/// </summary>
	public class DocAdminGlobals
	{
		//***********************************************************************
		//
		//属性   数据库连接字串，只读
		//
		//从web.config文件获取数据库连接字串
		//
		//***********************************************************************

		public static string ConnectionString 
		{
			get 
			{
				NameValueCollection nvc = (NameValueCollection)
					ConfigurationSettings.GetConfig("DocAdmin/database");
				return nvc[ "connectionString" ];
			} 
		}


		//***********************************************************************
		//
		//属性   日志文件路径，只读
		//
		//从web.config读取日志文件路径
		//
		//***********************************************************************

		public static string TraceFilePath
		{
			get 
			{
				NameValueCollection nvc = (NameValueCollection)
					ConfigurationSettings.GetConfig("DocAdmin/tracefile");
				return nvc[ "traceFilePath" ];
			} 
		}

		//***********************************************************************
		//
		//属性    系统配置文件路径，只读
		//
		//该路径固定
		//
		//***********************************************************************

		/// <summary>
		/// 系统配置文件路径，只读
		/// </summary>
		public static string ConfigFilePath
		{
			get 
			{
				string configpath = "COMMON\\Configs\\" ;
				string path = HttpRuntime.AppDomainAppPath ;
				return path + configpath ;	
			} 
		}


		#region Session中的内容
		/// <summary>
		/// 当前登录用户
		/// </summary>
		static public Usr LoginUsr
		{
			get
			{
				HttpSessionState sess=HttpContext.Current.Session;
				return (Usr)sess["LoginUsr"];
			}
			set
			{
				HttpSessionState sess=HttpContext.Current.Session;
				if (value ==null)
					sess.Remove("LoginUsr");
				else
					sess["LoginUsr"]=value;
			}
		}

		static public int FolderID
		{
			get
			{
				HttpSessionState sess=HttpContext.Current.Session;
				return (int)sess["FolderID"];
			}
			set
			{
				HttpSessionState sess=HttpContext.Current.Session;
				if (value == 0)
					sess.Remove("FolderID");
				else
					sess["FolderID"]=value;
			}
		}

		static public DataTable dtCtrl
		{
			get
			{
				HttpSessionState sess=HttpContext.Current.Session;
				DataTable dt = (DataTable)sess["dtCtrl"];
				if(dt == null)
				{
					dt = CreateDtCtrl() ;
				}

				return dt ;
			}
			set
			{
				HttpSessionState sess=HttpContext.Current.Session;
				if (value == null)
					sess.Remove("dtCtrl");
				else
					sess["dtCtrl"]=value;
			}
		}

		private static DataTable CreateDtCtrl()
		{
			DataTable dtCtrl = new DataTable() ;
			  
			dtCtrl.Columns.Add("CtrlID") ;
			dtCtrl.Columns.Add("FileID") ;
			dtCtrl.Columns.Add("FolderID") ;
			dtCtrl.Columns.Add("GroupID") ;
			dtCtrl.Columns.Add("UserID") ;
//			dtCtrl.Columns.Add("AdminCtrl",typeof(System.Boolean)) ;
//			dtCtrl.Columns.Add("WriteCtrl",typeof(System.Boolean)) ;
//			dtCtrl.Columns.Add("ReadCtrl",typeof(System.Boolean)) ;
			dtCtrl.Columns.Add("AdminCtrl",typeof(byte)) ;
			dtCtrl.Columns.Add("WriteCtrl",typeof(byte)) ;
			dtCtrl.Columns.Add("ReadCtrl",typeof(byte)) ;
			dtCtrl.Columns.Add("Usr") ;

			return dtCtrl ;
		}

		#endregion
		
	}
}