//

//  ViewController.m

//  AutoCode-01

//

//  Created by Apple on 15/9/4.

//  Copyright (c) 2015年 Sayimo. All rights reserved.

//



#import "ViewController.h"



@interface ViewController ()

{

    NSInteger secondsCountDown;

    NSTimer * countDownTimer;

    __weak IBOutlet UIButton *autoCodeButton;

}

@end



@implementation ViewController



- (void)viewDidLoad {

    [super viewDidLoad];

    secondsCountDown=60;

}



- (IBAction)autoCode:(UIButton *)sender {

    secondsCountDown=60;

    [autoCodeButton setTitle:[NSString stringWithFormat:@"%zd",secondsCountDown] forState:UIControlStateNormal];

    countDownTimer = [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(timeFireMethod) userInfo:nil repeats:YES];

    autoCodeButton.enabled=NO;

}



-(void)timeFireMethod{

    secondsCountDown--;

    [autoCodeButton setTitle:[NSString stringWithFormat:@"%zd",secondsCountDown] forState:UIControlStateNormal];

    if (secondsCountDown<0) {

        [countDownTimer invalidate];

        autoCodeButton.enabled=YES;

        [autoCodeButton setTitle:@"获取验证码" forState:UIControlStateNormal];



    }

}



@end