演示如下：
wxml
1 <map id="map" scale="{{scale}}" controls="{{controls}}" bindcontroltap="controltap" markers="{{markers}}" bindmarkertap="markertap" bindregionchange="regionchange" show-location style="width: 100%; height: 580px;"></map>
js
1 let hospitalData = require('hospitalData') 2 Page({ 3 data: { 4 centerX: 0.0, 5 centerY: 0.0, 6 //可能我标识的地点和你所在区域比较远，缩放比例建议5;
7 scale:15, 8 markers: [], 9 controls: [{ 10 id: 1, 11 iconPath: '/image/location-control.png', 12 position: { 13 left: 0, 14 top: 10, 15 width: 40, 16 height: 40
17 }, 18 clickable: true
19 }] 20 }, 21 onReady: function(e) { 22 // 使用 wx.createMapContext 获取 map 上下文
23 this.mapCtx = wx.createMapContext('myMap') 24 }, 25
26 onLoad: function() { 27 console.log('地图定位！') 28 let that = this
29 wx.getLocation({ 30 type: 'gcj02', //返回可以用于wx.openLocation的经纬度
31 success: (res) => { 32 let latitude = res.latitude; 33 let longitude = res.longitude; 34 let marker = this.createMarker(res); 35 this.setData({ 36 centerX: longitude, 37 centerY: latitude, 38 markers: this.getHospitalMarkers() 39 }) 40 } 41 }); 42 }, 43
44 /** 45 * 标示点移动触发 46 */
47 regionchange(e) { 48 console.log(e.type) 49 }, 50
51 /** 52 * 点击标识点触发 53 */
54 markertap(e) { 55 console.log(e) 56 }, 57
58 /** 59 * control控件点击时间 60 */
61 controltap(e) { 62 console.log(e.controlId) 63 this.moveToLocation() 64 }, 65
66
67 /** 68 * 获取医院标识 69 */
70 getHospitalMarkers() { 71 let markers = []; 72 for (let item of hospitalData) { 73 let marker = this.createMarker(item); 74 markers.push(marker) 75 } 76 return markers; 77 }, 78
79 /** 80 * 移动到自己位置 81 */
82 moveToLocation: function() { 83 let mpCtx = wx.createMapContext("map"); 84 mpCtx.moveToLocation(); 85 }, 86
87
88 /** 89 * 还有地图标识，可以在name上面动手 90 */
91 createMarker(point) { 92 let latitude = point.latitude; 93 let longitude = point.longitude; 94 let marker = { 95 iconPath: "/image/location.png", 96 id: point.id || 0, 97 name: point.name || '', 98 latitude: latitude, 99 longitude: longitude, 100 width: 25, 101 height: 48
102 }; 103 return marker; 104 } 105 })
hospitalData.js （模拟数据）
1 module.exports = [{ 2 "id": 1, 3 "name": "永州市中心医院", 4 "longitude": "111.62852107566833", 5 "latitude": "26.42142999357519"
6 }, 7 { 8 "id": 2, 9 "name": "永州市中医院", 10 "longitude": "111.5972679762268", 11 "latitude": "26.44470581245983"
12 } 13 ]
运行示例时，建议放在同一目录下.