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小程序定位(授权)获取当前位置

小程序定位(授权)获取当前位置

作者: 前端来入坑 | 来源:发表于2019-06-30 08:18 被阅读0次
      // 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);
          }
        });
      },
    

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