search.aspx.cs

《SVG开发实践》源代码

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using GIS;
using DataLayer;
using System.Data.SqlClient;

namespace openagent.Map
{
	/// <summary>
	/// Search 的摘要说明。
	/// </summary>
	public class Search : System.Web.UI.Page
	{
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
		
			FindPath fp=new FindPath();
			BankInfo bi=null;
			string FindType = Request.QueryString["type"];
			string data=null;
			string[] datatmp = null;
			decimal Lo = 0;
			decimal La = 0;

			switch(FindType)
			{
				case "1"://范围查找
					decimal lon1 = Convert.ToDecimal(Request.QueryString["lon1"]);
					decimal lat1 = Convert.ToDecimal(Request.QueryString["lat1"]);
					decimal lon2 = Convert.ToDecimal(Request.QueryString["lon2"]);
					decimal lat2 = Convert.ToDecimal(Request.QueryString["lat2"]);
					datatmp = fp.boundFind(lon1,lat1,lon2,lat2);
					if(datatmp==null)//没有找到符合条件的银行
					{
						data ="nofoundbank;nofound";
					}
					else
					{
						data = datatmp[0];//银行经纬度
	
						for (int i=1; i < datatmp.Length;i++)
						{
							bi=new BankInfo(datatmp[i]);
							//银行经纬度+银行名字1+业务2+开门时间3+关门时间4+公交信息5
							data = data +";"+bi.getBankName()+"|"+bi.getBusiness()+"|"+bi.getOpenTime()+"|"+bi.getCloseTime()+"|"+bi.getBusInfo();
						
						}
					}
					break;

				case "2"://中心点查找,添地物名字
					DbAccess da = new DbAccess();
					string BankName = Request.QueryString["bankname"].Trim();
					string Business = Request.QueryString["business"].Trim();
				

					string sqlstr = "select Lo,La from KeyObject where Oname ='"+Request.QueryString["keyword"].Trim()+"'";
					SqlDataReader dr = (SqlDataReader)da.ExecuteDataReader(sqlstr);
					while(dr.Read())
					{
						Lo = Convert.ToDecimal(dr.GetDecimal(0));
						La = Convert.ToDecimal(dr.GetDecimal(1));
					}
					if (Lo!=0)
					{

						datatmp = fp.findNearest(Lo,La,true,BankName,Business);

						if(datatmp==null)//没有找到符合条件的银行
						{
							data ="nofoundbank,nofound";
						}
						else
						{
							bi=new BankInfo(datatmp[1]);	//根据找到的银行网点ID，构造BankInfo
							//银行经纬度+银行名字1+业务2+开门时间3+关门时间4+公交信息5
							data = datatmp[0]+";"+bi.getBankName()+";"+bi.getBusiness()+";"+bi.getOpenTime()+";"+bi.getCloseTime()+";"+bi.getBusInfo();
						}
					}
					else//没有找到这个地物
					{
						data = "nofoundkeyobj,nofound";
					}
					break;
				case"3"://最短路径查找
					Lo = Convert.ToDecimal(Request.QueryString["lon"]);
					La = Convert.ToDecimal(Request.QueryString["lat"]);
					int id = 0;
					datatmp = fp.findNearest(Lo,La,false,"","");
					if (datatmp==null)
					{
						data = "0";
					}
					else
					{
						id = Convert.ToInt16(datatmp[1]);
						string[] ShortestRoad = fp.getPath(id);
						bi=new BankInfo(ShortestRoad[2]);	//根据找到的银行网点ID，构造BankInfo
						//银行经纬度+银行名字1+业务2+开门时间3+关门时间4+公交信息5
						if (ShortestRoad == null)
						{
							data ="nofoundbank|nofound";
						}
						else
						{
							data = Lo+","+La+","+ShortestRoad[1];
							data = data + "|" + bi.getBankName()+";"+bi.getBusiness()+";"+bi.getOpenTime()+";"+bi.getCloseTime()+";"+bi.getBusInfo()+";"+ShortestRoad[0];						
						}
					}
					break;
				case "4"://中心点查找,图中选点
					
					Lo = Convert.ToDecimal(Request.QueryString["lon"]);
					La = Convert.ToDecimal(Request.QueryString["lat"]);

						datatmp = fp.findNearest(Lo,La,true,"","");

						if(datatmp==null)//没有找到符合条件的银行
						{
							data ="nofoundbank,nofound";
						}
						else
						{
							bi=new BankInfo(datatmp[1]);	//根据找到的银行网点ID，构造BankInfo
							//银行经纬度+银行名字1+业务2+开门时间3+关门时间4+公交信息5
							data = datatmp[0]+";"+bi.getBankName()+";"+bi.getBusiness()+";"+bi.getOpenTime()+";"+bi.getCloseTime()+";"+bi.getBusInfo();
						}
					
					break;
			}


			Response.ContentType="text/xml";
			Response.Expires=0;
			Response.ContentEncoding=System.Text.Encoding.UTF8;
			Response.Write("<?xml version='1.0' encoding='utf-8'?>");
			Response.Write("<gps><data>");
			Response.Write(data);
			Response.Write("</data>");
			Response.Write("</gps>");
			Response.End();
		}

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.Load += new System.EventHandler(this.Page_Load);
		}
		#endregion
	}
}