1.下载qqmap-wx-jssdk.js
https://lbs.qq.com/qqmap_wx_jssdk/index.html

2.将下载后的文件下载到项目

3.调用

var qqMapWx = new QQMapWX({ key: ' key值' })
    qqMapWx.getSuggestion({
      keyword:value,
      region:_this.data.selectValue,
      success: function (data) {
        _this.setData({ dropdownList: data.data })
        for(let i=0;i<data.data.length;i++){
          _this.data.dropdownList[i].text = _this.data.dropdownList[i].title
        }
      }
    })
    return new Promise((resolve, reject) => {
      setTimeout(() => {
        resolve(_this.data.dropdownList)
      }, 200)
    })

开发者秘钥key值可通过https://lbs.qq.com/qqmap_wx_jssdk/index.html申请