Rumah > Artikel > applet WeChat > 小程序如何能实现类似朋友圈定位的功能(高德地图)
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因项目需要,该功能类似于微信朋友圈发布时的选择位置
可使用第三方地图服务商的API,根据当前位置查询POI列表,再展示在小程序的界面上
##效果:
此步参照官方说明。
高德:https://lbs.amap.com/
百度:http://lbsyun.baidu.com/
腾讯:https://lbs.qq.com/
本案以高德为例。
下载地址:https://lbs.amap.com/api/wx/download
登录微信公众平台,在 “设置”->”开发设置” 中设置 request 合法域名,将 https://restapi.amap.com 中添加进去。如下图所示:
<view class='container'> <view class="weui-panel weui-panel_access"> <view class="weui-panel__bd"> <view class="weui-search-bar"> <view class="weui-search-bar__form"> <view class="weui-search-bar__box"> <icon class="weui-icon-search_in-box" type="search" size="14"></icon> <input type="text" class="weui-search-bar__input" placeholder="搜索" value="{{inputVal}}" focus="{{inputShowed}}" bindinput="inputTyping" /> <view class="weui-icon-clear" wx:if="{{inputVal.length > 0}}" bindtap="clearInput"> <icon type="clear" size="14"></icon> </view> </view> <label class="weui-search-bar__label" hidden="{{inputShowed}}" bindtap="showInput"> <icon class="weui-icon-search" type="search" size="14"></icon> <view class="weui-search-bar__text">搜索</view> </label> </view> <view class="weui-search-bar__cancel-btn" hidden="{{!inputShowed}}" bindtap="hideInput">取消</view> </view> <view class="weui-media-box weui-media-box_text"> <view class="weui-media-box__title weui-media-box__title_in-text">不显示位置</view> </view> <block wx:for="{{markersData}}" wx:key="*this"> <view class="weui-media-box weui-media-box_text"> <view class="weui-media-box__title weui-media-box__title_in-text color-blue">{{item.name}}</view> <view class="weui-media-box__desc">{{item.address}}</view> </view> </block> </view> </view> </view>
var amapFile = require('../../utils/amap-wx.js'); var markersData = [];Page({ data: { inputShowed: false, inputVal: "", markersData: [], latitude: '', longitude: '' }, showInput: function() { this.setData({ inputShowed: true }); }, hideInput: function() { this.setData({ inputVal: "", inputShowed: false }); }, clearInput: function() { this.setData({ inputVal: "" }); }, inputTyping: function(e) { this.setData({ inputVal: e.detail.value }); }, onLoad: function(options) { var that = this; var myAmapFun = new amapFile.AMapWX({ key: '你申请的Key' }); myAmapFun.getPoiAround({ success: function(data) { markersData = data.markers; that.setData({ markersData: markersData }); }, fail: function(info) { wx.showModal({ title: info.errMsg }) } }) } })
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