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  • 高德地图获取地图坐标

    <!DOCTYPE HTML>
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>火星坐标拾取</title>
    <script language="javascript" src="http://webapi.amap.com/maps?v=1.2&key=您的key"></script>
    <style>
    #iMap{height:500px;width:600px;float:left;}
    .info{float:left;margin:0 0 0 10px;}
    label{width:80px;float:left;}
    </style>
    </head>
    <body onLoad="mapInit()">
        <div id="iMap"></div>
        <div class="info">
            <p><label>火星坐标:</label><span id="lnglat">&nbsp;</span></p>
            <p><label>地址:</label><span id="iAddress">&nbsp;</span></p>
            </br>
            <p>说明:</p>
            <p>1、鼠标滚轮可以缩放地图,拖动地图。</p>
            <p>2、点击地图,即可获得GCJ-02的经纬度坐标,地址。</p>
        </div>
    </body>
    <script language="javascript">
    var mapObj;
    var lnglatXY;
    //初始化地图
    function mapInit(){
        var opt = {  
            level: 13, //设置地图缩放级别    
            center: new AMap.LngLat(116.397428, 39.90923) //设置地图中心点   
        }  
        mapObj = new AMap.Map("iMap", opt);  
        
        AMap.event.addListener(mapObj,'click',getLnglat); //点击事件
    }
    function geocoder() {
        var MGeocoder;
        //加载地理编码插件
        mapObj.plugin(["AMap.Geocoder"], function() {        
            MGeocoder = new AMap.Geocoder({ 
                radius: 1000,
                extensions: "all"
            });
            //返回地理编码结果 
            AMap.event.addListener(MGeocoder, "complete", geocoder_CallBack); 
            //逆地理编码
            MGeocoder.getAddress(lnglatXY); 
        });
        //加点
        var marker = new AMap.Marker({
            map:mapObj,
            icon: new AMap.Icon({
                image: "http://api.amap.com/Public/images/js/mark.png",
                size:new AMap.Size(58,30),
                imageOffset: new AMap.Pixel(-32, -0)
            }),
            position: lnglatXY,
            offset: new AMap.Pixel(-5,-30)
        });
        mapObj.setFitView();
    }
    //回调函数
    function geocoder_CallBack(data) {
        var address;
        //返回地址描述
        address = data.regeocode.formattedAddress;
        //返回结果拼接输出
        document.getElementById("iAddress").innerHTML = address;
    }  
    //鼠标点击,获取经纬度坐标  
    function getLnglat(e){    
        mapObj.clearMap();
        var x = e.lnglat.getLng();
        var y = e.lnglat.getLat(); 
        document.getElementById("lnglat").innerHTML = x + "," + y;
        
        lnglatXY = new AMap.LngLat(x,y);
        geocoder();
    }
    </script>
    </html>
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  • 原文地址:https://www.cnblogs.com/gaohj/p/4997568.html
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