Swift UIKit 组件-UITextField(文本输入框)

import UIKit
class ViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        let MyTextField = UITextField()
        MyTextField.frame = CGRect(x: 135, y: 50, width: 160, height: 35)
        MyTextField.borderStyle = .roundedRect
        view.addSubview(MyTextField)
        // Do any additional setup after loading the view.
    }
}