其他坐标 -> 高德坐标 (批量)

使用 AMap.convertFrom( ) 将其他坐标转换成高德坐标。

源代码编辑器

 <!doctype html>
<html>
<head>
 <meta charset="utf-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
 <title>其他坐标变换成高德坐标</title>
 <link rel="stylesheet" href="https://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css"/>
 <style>
 html,body,#container{
 height:100%;
 width:100%;
 }
 .btn-box{
 position: absolute;
 right: 5rem;
 top: 5rem;
 }
 .btn{
 background: '#0277bd';
 width:14em;
 margin-left:3.2rem; 
 margin-top: 0.8rem; 
 }
 </style>
</head>
<body>
<div id="container"></div>
<div class="input-card" style="width:18rem">
 <h4>坐标批量转换</h4>
 <div id="coordinate">
 <div class="input-item"><input id="gps" name="language" type="radio" checked="checked"><span class="input-text">GPS 坐标转为高德坐标</span></div>
 <div class="input-item"><input id="mapbar" name="language" type="radio"><span class="input-text">图吧坐标转为高德坐标</span></div>
 <div class="input-item"><input id="baidu" name="language" type="radio"><span class="input-text">百度坐标转为高德坐标</span></div>
 </div>
</div>
<script type="text/javascript" src="https://webapi.amap.com/maps?v=2.0&key=您申请的key值"></script>
<script type="text/javascript">
 var map = new AMap.Map("container", {
 center: [116.388904,39.913423],
 zoom: 14
 });
 var $ = function(elementId){
 return document.getElementById(elementId);
 };
 var lnglats = [
 '116.368904,39.913423',
 '116.398258,39.904600'
 ];
 // 创建包含4个节点的折线及文字标注
 var path = [
 new AMap.LngLat(116.368904,39.913423),
 new AMap.LngLat(116.398258,39.904600)
 ];
 // 创建折线实例
 var polyline = new AMap.Polyline({
 path: path, 
 borderWeight: 2, // 线条宽度,默认为 1
 strokeColor: 'red', // 线条颜色
 lineJoin: 'round' // 折线拐点连接处样式
 });
 // 将折线添加至地图实例
 map.add(polyline);
 
 var text1 = new AMap.Text({
 position: new AMap.LngLat(116.368904,39.913423),
 text: 'gps坐标',
 offset: new AMap.Pixel(-20, -20)
 })
 map.add(text1);
 var polyline2;
 var text2;
 // 坐标转换
 AMap.convertFrom(path, 'gps', function (status, result) {
 if (result.info === 'ok') {
 var path2 = result.locations;
 polyline2 = new AMap.Polyline({
 path: path2, 
 borderWeight: 2, // 线条宽度,默认为 1
 strokeColor: 'blue', // 线条颜色
 lineJoin: 'round' // 折线拐点连接处样式
 });
 map.add(polyline2);
 text2 = new AMap.Text({
 position: result.locations[0],
 text: '高德坐标',
 offset: new AMap.Pixel(-20, -20)
 })
 map.add(text2);
 }
 });
 
 function setCoordinate() {
 var type = this.id;
 var m1Text = "GPS 坐标";
 if(type == 'mapbar'){
 m1Text = '图吧坐标';
 }else if(type == 'baidu'){
 m1Text = '百度坐标';
 }
 map.remove(polyline2);
 map.remove(text2);
 text1.setText(m1Text);
 // 坐标转换
 AMap.convertFrom(path, type, function (status, result) {
 if (result.info === 'ok') {
 var path2 = result.locations;
 polyline2 = new AMap.Polyline({
 path: path2, 
 borderWeight: 2, // 线条宽度,默认为 1
 strokeColor: 'blue', // 线条颜色
 lineJoin: 'round' // 折线拐点连接处样式
 });
 map.add(polyline2);
 text2 = new AMap.Text({
 position: result.locations[0],
 text: '高德坐标',
 offset: new AMap.Pixel(-20, -20)
 })
 map.add(text2);
 }
 });
 }
 //绑定radio点击事件
 var radios = document.querySelectorAll("#coordinate input");
 radios.forEach(function(ratio) {
 ratio.onclick = setCoordinate;
 });
</script>
</body>
</html>
 
 

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