swift分装的倒计时按钮

///
这个类的说明

/*

* 倒计时按钮的分装

*

*

*

*/

import UIKit

class XCTools: NSObject {

// 定时器

var myTimer:NSTimer?

///
倒计时按钮

func sendCode(button:UIButton,color:UIColor) ->
Void {

var i = 60

button.setTitle("重发(60)", forState: UIControlState.Disabled)

button.backgroundColor=UIColor.lightGrayColor()

button.enabled=false

myTimer = NSTimer.bk_scheduledTimerWithTimeInterval(1, block: { (a)
in

i -= 1

button.setTitle(String(format: "重发(%d)",i), forState: UIControlState.Disabled)

button.backgroundColor=UIColor.lightGrayColor()

if i ==
0 {

self.myTimer?.invalidate()

button.enabled=true

button.backgroundColor=color

}

}, repeats: true)

}

}