public function actionOrder()
{
$student_id = Yii::$app->request->post('student_id');
//用户id
$payPWD = Yii::$app->request->post('payPWD');
//用户支付密码
$model = new Merchant();
$user = $model->sel_student($student_id);
//print_r($user['student_pay_pwd']);die;
if ($payPWD != $user['student_pay_pwd']) {
echo 1;
//支付密码错误
} else {
echo 2;
//支付密码正确
}
}
