Swift学习—Swift中写UI代码

//
//  ViewController.swift
//  02SwiftUI
//
//  Created by on 15/5/19.
//  Copyright (c) 2015年 wujiafeng. All rights reserved.
//

import UIKit

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()

        var btn = UIButton()
        btn.frame = CGRectMake(100, 100, 100, 50)
        btn.backgroundColor = UIColor.purpleColor()
        btn.layer.cornerRadius = 10
        self.view.addSubview(btn)

        var imageView = UIImageView(image: UIImage(named: "WNM"))
        imageView.frame = CGRectMake(100, 250, 100, 100)
        self.view.addSubview(imageView)

    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
    }

}