小程序模板网

微信小程序 - 多地点标识(map)

演示如下:

wxml

 

  1. 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. 
    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. 
    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.



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