https://developers.weixin.qq.com/miniprogram/dev/api/location/wx.getLocation.html

wx.getLocation({
            altitude: true,
            isHighAccuracy: true,
            success: function (location) {
              console.log('获取定位成功', location);
              that.setLatAndLng({ location: location, errCode: 0 })
              that.setTime(() => {
                console.log('需要清除储存的定位');
                that.setLatAndLng(false) 
              }, 600000)
              resolve({ location: location, errCode: 0 })
            },