如何在swift 4中摇动文本字段？

Question

我想在表格验证中摇动文字字段，这样就会动摇。 我尝试过许多动画效果，例如

textfield.layer.transform = CATransform3DMakeScale(1.0, 0.5, 1)
       UIView.animate(withDuration: 0.8, animations: {
           cell.layer.transform = CATransform3DMakeScale(1.05, 1.05, 1)
       }