第一个swift app project
ViewController.swift

//
// ViewController.swift
// MyFirstApp
//
// Created by hins on 16/3/26.
// Copyright © 2016年 hins. All rights reserved.
//


import UIKit

class ViewController: UIViewController {

    @IBAction func TouchMe(sender: UIButton) {
        //print("hello app");//点击文字事件时控制台输出

        // 弹窗
        let msgBox = UIAlertController(title: "this is title",message: "this is content",preferredStyle: UIAlertControllerStyle.Alert);
        //弹窗里的按钮
        //let msgAction = UIAlertAction(title: "confirm",style: UIAlertActionStyle.Default) { (_) in}

        let msgAction = UIAlertAction(title: "confirm",style: UIAlertActionStyle.Default) { (_) in print("you touch button!")}

        msgBox.addAction(msgAction);

        self.presentViewController(msgBox,animated: true,completion: nil);
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view,typically from a nib.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }


}