Swift UIKit 组件-UILabel(标签)

预览：

import UIKit
class ViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        let MyLabel = UILabel()
        MyLabel.text = "UILabel(标签)"
        MyLabel.frame = CGRect(x: 200, y: 100, width: 60, height: 30)
        view.addSubview(MyLabel)
        // Do any additional setup after loading the view.
    }
}