trainconfiguration.cs

列车时刻查询Visual Studio 2005 + sql2005

using System;
using System.IO;
using System.Text;

namespace train
{
	/// <summary>
	/// 返回数据库连接字符串 
	/// </summary>
	public class TrainConfiguration
	{
		private string connectionstring;
		
		public TrainConfiguration()
		{	
		}
		/// <summary>
		/// 返回数据库连接字符串(SQL SERVER) 
		/// </summary>
		/// <returns>连接字符串</returns>iii
		public String GetconnectionString()
		{
			connectionstring="server=.;database=train;user=sa;pwd=;";
			return connectionstring;
		}
		/// <summary>
		/// 从文件中返回数据库连接字符串
		/// </summary>
		/// <param name="path">配置文件的路径</param>
		/// <returns>返回文件中的连接字符串</returns>
		public String GetConfigFromFile(string path)
		{
			try
			{
				if(!File.Exists(path))
				{
					throw new Exception("配置文件不存在");
				}
				Console.WriteLine(path);
				StreamReader file=new StreamReader(@path,Encoding.UTF8);
				string connectionString=file.ReadToEnd();
				return connectionString;
			}
			catch(Exception e)
			{
				Console.WriteLine(e);
				return null; 
			}
			
		}
	}
}