小程序定位(授权)获取当前位置

2019-06-30  本文已影响0人  前端来入坑
  // 判断用户是否拒绝地理位置信息授权,拒绝的话重新请求授权
  getUserLocation: function () {
    let that = this;
    wx.getSetting({
      success: (res) => {
        console.log(JSON.stringify(res))
        // res.authSetting['scope.userLocation'] == undefined    表示 初始化进入该页面
        // res.authSetting['scope.userLocation'] == false    表示 非初始化进入该页面,且未授权
        // res.authSetting['scope.userLocation'] == true    表示 地理位置授权
        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
                      that.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
          that.getLocation();
        }
        else {
          //调用wx.getLocation的API
          that.getLocation();
        }
      }
    })
  },
  // 获取定位当前位置的经纬度
  getLocation: function () {
    let that = this;
    wx.getLocation({
      type: 'wgs84',
      success: function (res) {
        let latitude = res.latitude
        let longitude = res.longitude
        app.globalData.lat = res.latitude;//
        app.globalData.lng = res.longitude;//把onload定位时候的经纬度存到全局
        let speed = res.speed
        let accuracy = res.accuracy;
        that.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 that = 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
        let district = res.result.ad_info.district;
        // 保存一下当前定位的位置留着后面重新定位的时候搜索附近地址用
        app.globalData.currentLocation = district;
        that.setData({
          province: province,
          city: city,
          latitude: latitude,
          longitude: longitude,
          district: district
        })

      },
      fail: function (res) {
        console.log(res);
      },
      complete: function (res) {
        // console.log(res);
      }
    });
  },
上一篇下一篇

猜你喜欢

热点阅读