微信小程序结合ThinkPHP5授权登陆后获取手机号

<button open-type="getphonenumber" bindgetphonenumber="getphonenumber">获取手机号</button>

getphonenumber: function (e) {
        var that = this;
        console.log(e.detail.errmsg == "getphonenumber:ok");
        if (e.detail.errmsg == "getphonenumber:ok") {
            wx.request({
                url: 'http://www.phone.com/test/seek/getphone',
                data: {
                    encrypteddata: e.detail.encrypteddata,
                    iv: e.detail.iv,
                    sessionkey: that.data.session_key,
                },
                method: "post",
                success: function (res) {
                    console.log(res);
                }
            })
        }
      },

use app\libs\wxbizdatacrypt;

public function getphone(){
        $encrypteddata = input('encrypteddata');
        $iv = input('iv');
        $sessionkey = input('sessionkey');
        $appid = config('appid');
 
        $data = null;
        $pc = new wxbizdatacrypt($appid, $sessionkey);
        $errcode = $pc->decryptdata($encrypteddata, $iv, $data );
        $data = json_decode($data,true);
        return json($data);
    }