//appid: wxf661f26b9b5a0d7e

//html 
<button
   open-type="getPhoneNumber"
   @getphonenumber="getPhoneNumber"
   @click="jump"
   >立即授权</button
>
//js
getPhoneNumber(e) {
      wx.checkSession({
        success (res) {
          console.log(res,'登录状态')
              console.log(e,'1111')
          //session_key 未过期，并且在本生命周期一直有效
        },
        fail (err) {
        console.log(err)
        }
      })
    },