微信小程序如何实现地图多点标注

<map id="myMap" longitude="113.324520" latitude="23.099994" markers="{{markers}}" show-location></map>

Page({
  data: {
    markers: [
      {
        id: 1,
        latitude: 23.099994,
        longitude: 113.324520,
        title: 'Marker 1',
        iconPath: '/images/marker.png',
        width: 30,
        height: 30
      },
      {
        id: 2,
        latitude: 23.097330,
        longitude: 113.327420,
        title: 'Marker 2',
        iconPath: '/images/marker.png',
        width: 30,
        height: 30
      }
    ]
  }
});