IOS倒计时按钮：JKCountDownButton
jopen
10年前
JKCountDownButton,子类化UIButton实现IOS倒计时按钮,常常用于注册等发送验证码的时候进行倒计时操作
代码方式使用
JKCountDownButton *_countDownCode; _countDownCode = [JKCountDownButton buttonWithType:UIButtonTypeCustom]; _countDownCode.frame = CGRectMake(81, 200, 108, 32); [_countDownCode setTitle:@"开始" forState:UIControlStateNormal]; _countDownCode.backgroundColor = [UIColor blueColor]; [self.view addSubview:_countDownCode]; [_countDownCode addToucheHandler:^(JKCountDownButton*sender, NSInteger tag) { sender.enabled = NO; [sender startWithSecond:10]; [sender didChange:^NSString *(JKCountDownButton *countDownButton,int second) { NSString *title = [NSString stringWithFormat:@"剩余%d秒",second]; return title; }]; [sender didFinished:^NSString *(JKCountDownButton *countDownButton, int second) { countDownButton.enabled = YES; return @"点击重新获取"; }]; }];xib方式使用
@property (weak, nonatomic) IBOutlet JKCountDownButton *countDownXib; - (IBAction)countDownXibTouched:(JKCountDownButton*)sender { sender.enabled = NO; //button type要 设置成custom 否则会闪动 [sender startWithSecond:10]; [sender didChange:^NSString *(JKCountDownButton *countDownButton,int second) { NSString *title = [NSString stringWithFormat:@"剩余%d秒",second]; return title; }]; [sender didFinished:^NSString *(JKCountDownButton *countDownButton, int second) { countDownButton.enabled = YES; return @"点击重新获取"; }];}