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);
    }