Swift(五):按钮点击,新调用的形式

//
//  ViewController.swift
//  SwiftTest2
//
//  Created by HMC on 16/8/8.
//  Copyright © 2016年 SKing. All rights reserved.
//

import UIKit

class ViewController: UIViewController {
    
    @IBOutlet weak var btn: UIButton!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        createVCObjectFromString("SViewController")
        //#selector(click) 新形式调用点击方法
        btn.addTarget(self, action:#selector(click), forControlEvents: .TouchUpInside)
    }

    @objc private  func click(){
        print("123132")
    }