引入了qqmap-wx-jssdk.js为什么会说这个不是方法

const app = getApp(), tools = require('../../utils/util'), QQMapWX = require('../../utils/qqmap-wx-jssdk'),
  qqmapsdk = new QQMapWX({
    key: 'VDWBZ-FWQWS-IQSOS-6U4T5-NHQ2J-KVBEL'
  });
  getSite() {
    let that = this;
    wx.getSetting({
      // withSubscriptions: true,
      success: (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: (val) => {
              if (val.cancel) {
                wx.showToast({
                  title: '拒绝授权',
                  icon: 'none',
                  duration: 1000
                });


              } else if (val.confirm) {
                wx.openSetting({
                  // withSubscriptions: true,
                  success: (user) => {
                    if (user.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) {
          that.location();
        }
        else {
          //调用wx.getLocation的API
          that.location();
        }
      }
    });
  },

  async location() {
    const that = this;
    try {
      await that.getWxLocation()
    } catch (error) {
      Model({
        title: '温馨提示',
        tip: '获取权限失败，需要获取您的地理位置才能为您提供更好的服务！是否授权获取地理位置？',
        showCancel: true,
        confirmText: '前往设置',
        cancelText: '取消',
        sureCall() {
          that.toSetting()
        },
        cancelCall() { }
      })
      return
    }
  },
  // 获取位置信息
  getWxLocation() {
    let that = this;
    wx.showLoading({
      title: '定位中...',
      mask: true,
    })
    return new Promise((resolve, reject) => {
      const _locationChangeFn = (res) => {
        console.log('location change', res)
        that.getLocal(res.latitude,res.longitude);
        wx.hideLoading()
        wx.offLocationChange(_locationChangeFn);
      }
      wx.startLocationUpdate({
        success: (res) => {
          wx.onLocationChange(_locationChangeFn)
          resolve()
        },
        fail: (err) => {
          reject()
        }
      })
    })
  },
  getLocal(latitude, longitude) {
    let that = this, { site, obj } = that.data;
    qqmapsdk.reverseGeocoder({
      location: {
        latitude: latitude,
        longitude: longitude
      },
      success: (res) => {
        obj.province = res.result.ad_info.province;
        let city = res.result.ad_info.city;
        obj.city = res.result.ad_info.city;
        obj.street = res.result.ad_info.district;
        obj.receivingAddress = res.result.address_component.street_number;
        // 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
        that.setData({
          targetAddr: res.result.address_component.street_number,
          provice: city
        });
        wx.showToast({
          title: '获取详细位置成功',
          duration: 2000,
          icon: 'success'
        })
        that.customizeEvent();
      },
      fail: function (res) {
        wx.showToast({
          title: '获取失败',
          duration: 2000,
          icon: 'none'
        })
        that.setData({
          errorInfo:JSON.stringify(res)
        })
      },
      complete: function (res) {
        wx.showToast({
          title: res,
          duration: 10000,
          icon: 'none'
        })
      }
    })
  },