验证码倒计时代码,Objectc代码库,德仔网

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【Objectc】验证码倒计时

作者:岸珂 / 发布于2016/6/12/ 316

UIButton *sender  = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 200, 100)];
//开始倒计时
                     
                    sender.enabled = NO;
                    //button type要 设置成custom 否则会闪动
                    [sender startWithSecond:phoneCodeTime];//phoneCodeTime  多少开始倒计时
                     
                    [sender didChange:^NSString *(TimerCountDownButton *countDownButton,int second) {
                        NSString *title = [NSString stringWithFormat:@"剩余%d秒",second];
                        return title;
                    }];
                    [sender didFinished:^NSString *(TimerCountDownButton *countDownButton, int second) {
                        countDownButton.enabled = YES;
                        [countDownButton setBackgroundImage:[UIImage imageNamed:@"cxhqyzm_btn_normal"] forState:UIControlStateNormal];
                        [countDownButton setBackgroundImage:[UIImage imageNamed:@"cxhqyzm_btn_pressed"] forState:UIControlStateHighlighted];
                        [countDownButton setBackgroundImage:[UIImage imageNamed:@"cxhqyzm_btn_pressed"] forState:UIControlStateSelected];
                        return @"";
                         
                    }];

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