地图开发实战案例:高德地图弧线连接线标注

<div id="container"></div>
<script src="//webapi.amap.com/maps?v=1.4.15&key=您申请的key值&"></script>
<script src="//webapi.amap.com/loca?v=1.3.2&key=您申请的key值"></script>
<script src="//a.amap.com/Loca/static/dist/jquery.min.js"></script>

 var map = new AMap.Map('container', {
        mapStyle: 'amap://styles/1de318cbb8d12c02303a22c550b9ccc9',
        features: ['bg', 'road'],
        center: [116.40866,39.87596],
        zoom: 11,
        pitch: 66,
        rotation: 45,
        viewMode: '3D'
    });
    var layer = new Loca.LinkLayer({
        map: map,
        fitView: false,
    });
   var d=[{"lnglat":[["116.309712","40.066607"],["116.286219","40.048605"]],"dis":1550}];
  //标注
  for (var i=0;i<2;i++){
     var marker = new AMap.Marker({
            position: d[0].lnglat[i],
            map: map
        })
  }
        layer.setData(d, {
            lnglat: 'lnglat'
        });
        layer.setOptions({
            blendMode: 'lighter',
            style: {
                // 曲率 [-1, 1] 区间
                curveness: function(data) {
                  if(data.value.dis < 100){
                    return 0.07;
                  } else if(data.value.dis < 300){
                    return 0.05;
                  } else if(data.value.dis < 500){
                    return 0.02;
                  }  else if(data.value.dis < 700){
                    return 0.01;
                  } else {
                    return 0.005;
                  }
                },
                opacity: 0.8,
                color: '#5DFBF9'
            }
        });
        layer.render();