小程序只支持获取当前位置的经纬度，并不能直接获取到地理名称，需要通过第三方来逆地址解析，这里我选择的是腾讯位置服务

在使用前需要去申请key，这里是地址：https://lbs.qq.com/console/mykey.html?console=mykey

下面上栗子：

  <view class="hotcity-common thisCity">当前选择城市</view>
  <view class="thisCityName">{{city}}</view>

var QQMapWX = require('../../utils/qqmap-wx-jssdk.js');
var qqmapsdk;
page({
    data: {
    city: "",
    latitude: '',
    longitude: '',
    }
    
onLoad: function() {
    qqmapsdk = new QQMapWX({
      key: 'FD2BZ-R34KJ-4P4FW-KAW2S-ZASLV-GCFBR' //自己的key秘钥 
    });
    this.getUserLocation();
  },
 
getUserLocation: function() {
    let vm = this;
    wx.getSetting({
      success: (res) => {
        console.log("设置信息"+JSON.stringify(res))
        if (res.authSetting['scope.userLocation'] != undefined && res.authSetting['scope.userLocation'] != true) {
          wx.showModal({
            title: '请求授权当前位置',
            content: '需要获取您的地理位置，请确认授权',
            success: function(res) {
              if (res.cancel) {
                wx.showToast({
                  title: '拒绝授权',
                  icon: 'none',
                  duration: 1000
                })
              } else if (res.confirm) {
                wx.openSetting({
                  success: function(dataAu) {
                    if (dataAu.authSetting["scope.userLocation"] == true) {
                      wx.showToast({
                        title: '授权成功',
                        icon: 'success',
                        duration: 1000
                      })
                      //再次授权，调用wx.getLocation的API
                      vm.getLocation();
                    } else {
                      wx.showToast({
                        title: '授权失败',
                        icon: 'none',
                        duration: 1000
                      })
                    }
                  }
                })
              }
            }
          })
        } else if (res.authSetting['scope.userLocation'] == undefined) {
          //调用wx.getLocation的API
          vm.getLocation();
        } else {
          //调用wx.getLocation的API
          vm.getLocation();
        }
      }
    })
  },
 
  // 微信获得经纬度
  getLocation: function() {
    let vm = this;
    wx.getLocation({
      type: 'wgs84',
      success: function(res) {
        console.log(JSON.stringify(res))
        var latitude = res.latitude
        var longitude = res.longitude
        var speed = res.speed
        var accuracy = res.accuracy;
        vm.getLocal(latitude, longitude)
      },
      fail: function(res) {
        console.log('fail' + JSON.stringify(res))
      }
    })
  },
  // 获取当前地理位置
  getLocal: function(latitude, longitude) {
    let vm = this;
    qqmapsdk.reverseGeocoder({
      location: {
        latitude: latitude,
        longitude: longitude
      },
      success: function(res) {
        let province = res.result.ad_info.province
        let city = res.result.ad_info.city
        vm.setData({
          province: province,
          city: city,
          latitude: latitude,
          longitude: longitude
        })
 
      }
    });
  },
 
})

View Code

以上就是小程序获取地理位置的全部方法