https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/getPhoneNumber.html

appid ： wx7cb694e72520a76b

    <button type="default" open-type="getPhoneNumber" @getphonenumber="decryptPhoneNumber">获取手机号</button>

      decryptPhoneNumber(e) {
        console.log(e)
      }