baidu地图：实现多点连线渲染

时间：2021-03-29 11:58:32
<script type="text/javascript">

var points = [

{"Lng":125.17787645967861,"Lat":46.251826748722667},

{"Lng":125.17786646842835,"Lat":46.251826580357911}

];

</script>

<!DOCTYPE html>

<html>

<head>

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />

    <style type="text/css">

        body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;font-family:"微软雅黑";}

    </style>

    <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=E06eb9d756d0eafc722effb355657b4c"></script>

    <title>GPS转百度</title>

</head>

<body>

    <div id="allmap"></div>

</body>

</html>

<script type="text/javascript">

    // 百度地图API功能

    //GPS坐标

    var x = 125.17730456267518;

    var y = 46.250142055599344;

    var ggPoint = new BMap.Point(x,y);

    //地图初始化

    var bm = new BMap.Map("allmap");

    bm.centerAndZoom(ggPoint, 25);

    //bm.addControl(new BMap.NavigationControl());

    bm.addControl(new BMap.MapTypeControl());   //添加地图类型控件

    bm.setCurrentCity("杭州");          // 设置地图显示的城市 此项是必须设置的

    bm.enableScrollWheelZoom(true);     //开启鼠标滚轮缩放  

    var pointsGps=[];

    for(var i=0;i<points.length;i++){

        pointsGps.push(new BMap.Point(points[i].Lng, points[i].Lat));

    }

    var polyline = new BMap.Polyline(pointsGps, {strokeColor:"red", strokeWeight:2, strokeOpacity:0.5});   //创建折线

    bm.addOverlay(polyline);   //增加折线

    for(var i=0;i<pointsGps.length;i++){

        //添加gps marker和label

        var markergg = new BMap.Marker(pointsGps[i]);

        bm.addOverlay(markergg); //添加GPS marker

        var labelgg = new BMap.Label(i+1,{offset:new BMap.Size(20,-10)});

        markergg.setLabel(labelgg); //添加GPS label

    }

</script>

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