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  • 动态生成热点

     

    using System;
    using System.Data;
    using System.Configuration;
    using System.Collections;
    using System.Web;
    using System.Web.Security;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.Web.UI.WebControls.WebParts;
    using System.Web.UI.HtmlControls;
    using System.Data.SqlClient;
    
    public partial class _Default : System.Web.UI.Page
    {
        string strConn;
        string strSQL;
        SqlConnection sqlConn;                                   //定义
        RectangleHotSpot rhs = new RectangleHotSpot();
        PolygonHotSpot phs = new PolygonHotSpot();
        CircleHotSpot chs = new CircleHotSpot();
        HotSpot hs;
        protected void Page_Load(object sender, EventArgs e)
        {
            strConn = System.Configuration.ConfigurationManager.AppSettings["MapConnectionString"];//链接
            sqlConn = new SqlConnection(strConn);
            int intMapID = 1;
            if (Request["mapid"] != null)
            {
                intMapID = int.Parse(Request["mapid"].ToString());
            }
            strSQL = "SELECT * FROM tMap WHERE MMapID=@PMapID";
            SqlCommand sqlComm = new SqlCommand(strSQL, sqlConn);
            sqlComm.Parameters.Add(new SqlParameter("@PMapID", SqlDbType.Int));//获取传过来的值再动态绑定要显示的图片
            sqlComm.Parameters["@PMapID"].Value = intMapID;
            sqlComm.Connection.Open();
            SqlDataReader sqlDR = sqlComm.ExecuteReader();
            if (sqlDR.Read())
            {
                imap1.ImageUrl = sqlDR["MMapSRC"].ToString();
                sqlComm.Connection.Close();
                 this.SubMap(intMapID);
            }
        }
        protected void SubMap(int intMapID1)                          //动态绑定热点
        {
            strSQL = "SELECT * FROM tArea WHERE MMapID=@PMapID";
            SqlCommand sqlComm = new SqlCommand(strSQL, sqlConn);
            sqlComm.Parameters.Add(new SqlParameter("@PMapID", SqlDbType.Int));
            sqlComm.Parameters["@PMapID"].Value = intMapID1;
            sqlComm.Connection.Open();
            SqlDataReader sqlDR = sqlComm.ExecuteReader();
            while (sqlDR.Read())
            {
    
                int intLinkType =int.Parse(sqlDR["MLinkType"].ToString());   //通过LinkType获取链接到的页面
                string strLink="";
                if (intLinkType == 0)
                {
                     strLink = "Default.aspx?mapid=" + sqlDR["MLinkMapID"];
                }
                else if (intLinkType == 1)
                {
                    strLink = "Company.aspx?BID=" + int.Parse(sqlDR["MLinkBigGroup"].ToString()) + "&SID=" + int.Parse(sqlDR["MLinkSmallGroup"].ToString());
                }
                string strShape = sqlDR["MShape"].ToString();
                if (strShape == "poly")
                {
                    phs.NavigateUrl = strLink;
                    phs.Coordinates = sqlDR["MCoords"].ToString();
                    hs = phs;
                    imap1.HotSpots.Add(hs);
                }
                else if (strShape == "rect")
                {
                    rhs.NavigateUrl = strLink;
                    string strCoor = sqlDR["MCoords"].ToString();
                    string[] strCoorArr = strCoor.Split(',');
                    rhs.Top = int.Parse(strCoorArr[0]);
                    rhs.Left = int.Parse(strCoorArr[1]);
                    rhs.Right = int.Parse(strCoorArr[2]);
                    rhs.Bottom = int.Parse(strCoorArr[3]);
                    hs = rhs;
                    imap1.HotSpots.Add(hs);
                }
                else if (strShape == "Circle")
                {
                    chs.NavigateUrl = strLink;
                    string strCoor = sqlDR["MCoords"].ToString();
                    string[] strCoorArr = strCoor.Split(',');
                    chs.Radius = int.Parse(strCoorArr[0]);
                    chs.X = int.Parse(strCoorArr[1]);
                    chs.Y = int.Parse(strCoorArr[2]);
                    hs = chs;
                    imap1.HotSpots.Add(hs);
                }
                
            }
            sqlComm.Connection.Close();
            
        }
    }
    View Code

     

    摘自于网络:http://www.cnblogs.com/joinger/articles/1312338.html,谢谢此薄友

     

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  • 原文地址:https://www.cnblogs.com/qiushuixizhao/p/3792738.html
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