微信小程序 地图（map）实例详解

<!--index.wxml--> 
<button class="button" bindtap="getlocation" style="margin-top:30px" markers="{{markers}}">定位</button> 
<map longitude="{{longitude}}" latitude="{{latitude}}" markers="{{markers}}" covers="{{covers}}" style="width: 100%; height: 300px;margin-top:30px"></map> 

//index.js 
//获取应用实例 
var app = getApp() 
Page({ 
 data: { 
  latitude: 0,//纬度 
  longitude: 0,//经度 
  speed: 0,//速度 
  accuracy: 16,//位置精准度 
  markers: [], 
  covers: [], 
 }, 
 onLoad: function () { 
 }, 
 getlocation: function () { 
  var markers = [{ 
   latitude: 31.23, 
   longitude: 121.47, 
   name: '浦东新区', 
   desc: '我的位置' 
  }] 
  var covers = [{ 
   latitude: 31.23, 
   longitude: 121.47, 
   iconPath: '../images/car.png', 
   rotate: 0 
  }] 
  this.setData({ 
   longitude: 121.47, 
   latitude: 31.23, 
   markers: markers, 
   covers: covers, 
  }) 
 } 
}) 

/index.js 
//获取应用实例 
var app = getApp() 
Page({ 
 data: { 
  latitude: 0,//纬度 
  longitude: 0,//经度 
  speed: 0,//速度 
  accuracy: 16,//位置精准度 
  markers: [], 
  covers: [], 
 }, 
 onLoad: function () { 
 }, 
 getlocation: function () { 
  wx.getLocation({ 
   type: 'gcj02', 
   success: function (res) { 
    var latitude = res.latitude 
    var longitude = res.longitude 
    var speed = res.speed 
    var accuracy = res.accuracy 
    console.log("latitude:" + latitude) 
    console.log("longitude:" + longitude) 
    console.log("speed:" + speed) 
    console.log("accuracy:" + accuracy) 
    wx.openLocation({ 
     latitude: latitude, 
     longitude: longitude, 
     scale: 28 
    }) 
   } 
  }) 
 } 
})