Swift 简单控件示例：开关（UISwitch）

发布时间：2020-12-14 02:18:30 所属栏目：百科来源：网络整理

导读：转载请声明出处：http://www.jb51.cc/article/p-vpeqdvju-ga.html ------------------------------------------------------------------------------------------ //// ViewController.swift// UISwitchSample//// Created by jinnchang on 15/4/2.// Copyr

转载请声明出处：http://www.52php.cn/article/p-vpeqdvju-ga.html
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//
//  ViewController.swift
//  UISwitchSample
//
//  Created by jinnchang on 15/4/2.
//  Copyright (c) 2015年 Jinn Chang. All rights reserved.
//

import UIKit

class ViewController: UIViewController {
    
    var simpleSwitch: UISwitch!

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view,typically from a nib.
        
        simpleSwitch = UISwitch(frame: CGRectMake(30,50,self.view.frame.size.width - 60,100))
        simpleSwitch.on = true
        simpleSwitch.addTarget(self,action: "switchChange:",forControlEvents: .ValueChanged)
        
        self.view.addSubview(simpleSwitch)
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    /// 响应开关控制事件
    func switchChange(sender: UISwitch) {
        if sender.on {
            println("switch is on")
        } else {
            println("switch is off")
        }
    }

}

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GitHub 上项目地址：UISwitchSample
控件更多相关属性及方法参考：UISwitch Class Reference 文章最后更新时间：2015年4月3日10:48:31

（编辑：李大同）

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