querytrain.cs

火车订票系统 火车订票系统 火车订票系统

using System;
using Data_Access;
using Data_Common;
using Model;

namespace Business_Logic
{
	/// <summary>
	/// QueryTrain 的摘要说明---颜政.。
	/// </summary>
	public class QueryTrain
	{
		public QueryTrain(){}
		/// <summary>
		/// 列车速度
		/// </summary>
		public enum TrainSpeed
		{
			特快,
			快速,
			普快
		}
		/// <summary>
		/// 列车种类
		/// </summary>
		public enum TrainType
		{
			空调,
			普通
		}
		/// <summary>
		///得到查询所有的城市信息
		/// </summary>
		/// <param name="startCity">开始成市</param>
		/// <param name="endCity">结束城市</param>
		/// <returns>所有的城市信息</returns>
		public static Train_shuxing[] GetScheduleInfo(string startCity,string endCity)
		{
			if(startCity.Trim()==string.Empty || endCity.Trim()==string.Empty)
			{
				return null;
			}
			else
			{
				Data_Access.DBTrain schedule = new Data_Access.DBTrain();
				Train_shuxing[] tschedule=schedule.GetTrainInfo(startCity,endCity);
				for(int i=0;i<tschedule.Length;i++)
				{
					int sum=1;
					if(tschedule[i].traintype==TrainType.空调.ToString()&&tschedule[i].speed==TrainSpeed.特快.ToString())
					{
						sum=3;
					}
					if(tschedule[i].traintype==TrainType.空调.ToString()&&tschedule[i].speed==TrainSpeed.快速.ToString())
					{
						sum=2;
					}
					tschedule[i].SumPrice=sum*(tschedule[i].distance/100+1)*10;//计算价格
													   

				}
				return tschedule;
			}
		}



		/// <summary>
		///根据车次序号得到查询所有的城市信息
		/// </summary>
		/// <param name="Checi">车次</param>
		/// <returns>所有的城市信息</returns>
		public static Train_shuxing[] GetCheciInfo(string Checi)
		{
			if(Checi.Trim()==string.Empty)
			{
				return null;
			}
			else
			{

				Data_Access.DBTrain schedule = new Data_Access.DBTrain();
				Train_shuxing[] tschedule=schedule.GetCheciInfo(Checi);
				for(int i=0;i<tschedule.Length;i++)
				{
					int sum=1;
					if(tschedule[i].traintype==TrainType.空调.ToString()&&tschedule[i].speed==TrainSpeed.特快.ToString())
					{
						sum=3;
					}
					if(tschedule[i].traintype==TrainType.空调.ToString()&&tschedule[i].speed==TrainSpeed.快速.ToString())
					{
						sum=2;
					}
					tschedule[i].SumPrice=sum*(tschedule[i].distance/100+1)*10;//计算价格
													   

				}
				return tschedule;
			}
		}




	}
}