如何使用Google地图制作地理位置标记 [英] How Do I Make A Geo Location Tag With Google Maps

问题描述

我需要你们的小帮助我们有一个数据库名称商店和它有两个字段纬度和经度和一个地理位置代码帮我创建用户可以设置一个loaction并保存到数据库字段:)

i need a small help from you guys i have a database name Shops and it's have two fields latitude and longitude and a geo location code help me to create user can set a loaction and it's save to database fields :)

<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="mapsettings.aspx.cs" Inherits="mapsettings" %>
 
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
 
   <script type="text/javascript"

src="https://maps.googleapis.com/maps/api/js?key=AIzaSyC6v5-2uaq_wusHDktM9ILcqIrlPtnZgEk&sensor=false">
</script>
<script type="text/javascript">
    function initialize() {
        var lat = document.getElementById('txtlat').value;
        var lon = document.getElementById('txtlon').value;
        var myLatlng = new google.maps.LatLng(lat, lon) // This is used to center the map to show our markers
        var mapOptions = {
            center: myLatlng,
            zoom: 6,
            mapTypeId: google.maps.MapTypeId.ROADMAP,
            marker: true
        };
        var map = new google.maps.Map(document.getElementById("map_canvas"), mapOptions);
        var marker = new google.maps.Marker({
            position: myLatlng
        });
        marker.setMap(map);
    }
</script>
    
    
    
     <form id="form1"   runat="server">
<table>
<tr>
<td>Enter Latitude:</td>
<td><input type="text" id="txtlat" value="13.053147716796578" /> </td>
</tr>
<tr>
<td>Enter Longitude:</td>
<td><input type="text" id="txtlon" value="80.2501953125" /> </td>
</tr>
<tr>
<td></td>
<td><input type="button" value="Submit"  önclick="javascript: initialize()" /> </td>
</tr>
</table>
<div id="map_canvas" style="width: 500px; height: 400px"></div>
</form>

推荐答案

这篇关于如何使用Google地图制作地理位置标记的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！