微信小程序--获取用户地理位置名称(无须用户授权)的方法

/**
 * 发起网络请求
 * @param {string} url 
 * @param {object} params 
 * @return {Promise} 
 */
 static request(url, params, method = "GET", type = "json") {
 console.log("向后端传递的参数", params);
 return new Promise((resolve, reject) => {
 let opts = {
 url: url,
 data: Object.assign({}, params),
 method: method,
 header: { 'Content-Type': type },
 success: resolve,
 fail: reject
 }
 // console.log("请求的URL", opts.url);
 wx.request(opts);
 });
 };
 /**
 * 获取用户中心位置经纬度
 * @param {ctx} name 
 */
 static getCenterLocation(name) {
 return new Promise((resolve, reject) => name.getCenterLocation({ success: resolve, fail: reject }));
 }

let app = getApp();
let wechat = require("../../utils/wechat");
Page({
 onReady(e) {
 let mapCtx = wx.createMapContext('myMap');
 setTimeout(() => {
 mapCtx.moveToLocation();
 }, 1000);
 setTimeout(() => {
 this.getAddress(mapCtx);
 }, 2000);
 },
 getAddress(mapCtx) {
 wechat.getCenterLocation(mapCtx)
 .then(d => {
 console.log(d);
 let { latitude, longitude } = d;
 console.log("当前位置纬度", latitude, "当前位置经度", longitude);
 let url = `https://apis.map.qq.com/ws/geocoder/v1/`;
 let key = 'XXXXX-D6FAD-RSG4U-HBE6F-NVFNK-XXXXX';
 let params = {
 location: latitude + "," + longitude,
 key
 }
 return wechat.request(url, params);
 })
 .then(d => {
 console.log(d);
 console.log("当前地址", d.data.result.address);
 })
 .catch(e => {
 console.log(e);
 })
 }
 
})

<map id="myMap" show-location="true" scale="16" />

page{
 height: 100%;
}
#myMap{
 width: 100%;
 height: 100%;
}