微信小程序出现wx.getLocation再次授权问题的解决方法分析

var getLocation = function (that) {
 wx.getLocation({
  type: 'wgs84',
  success: function (res) {
   // 经纬度
   var latitude = res.latitude
   var longitude = res.longitude
   var aK = that.data.aK
   wx.request({
    url: 'https://api.map.baidu.com/geocoder/v2/?ak=' + aK + '&location=' + latitude + ',' + longitude + '&output=json',
    data: {},
    header: {
     'content-type': 'application/json'
    },
    success: function (res) {
     var city = res.data.result.addressComponent.city;
     that.setData({
      currentCity: city
     })
     wx.request({
      url: 'xxx' + city,
      data: {},
      header: {
       'content-type': 'application/json'
      },
      success: function (res) {
       that.setData({
        county: res.data,
       })
      },
     })
    }
   })
  },
  fail: function () {
   wx.showToast({
    title: '授权失败',
    icon: 'success',
    duration: 1000
   })
  }
 })
}

wx.getSetting({
    success: (res) => {
     if (res.authSetting['scope.userLocation'] != undefined && res.authSetting['scope.userLocation'] != true) {//非初始化进入该页面,且未授权
      wx.showModal({
       title: '是否授权当前位置',
       content: '需要获取您的地理位置，请确认授权，否则无法获取您所需数据',
       success: function (res) {
        if (res.cancel) {
         that.setData({
          isshowCIty: false
         })
         wx.showToast({
          title: '授权失败',
          icon: 'success',
          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getLocationt的API
            getLocation(that);
           } else {
            wx.showToast({
             title: '授权失败',
             icon: 'success',
             duration: 1000
            })
           }
          }
         })
        }
       }
      })
     } else if (res.authSetting['scope.userLocation'] == undefined) {//初始化进入
      getLocation(that);
     }
     else { //授权后默认加载
      getLocation(that);
     }
    }
})