baidu地图：实现多点连线渲染

开发者文轩技术 2022年11月18日

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<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>