/** 获取验证码按钮 */
@property (strong, nonatomic) UIButton *getCodeButton;
/** 定时器 */
@property (strong, nonatomic) NSTimer *timer;
/** 验证码倒计时 */
@property (assign, nonatomic) NSInteger second;
//获取验证码
_getCodeButton = [[UIButton alloc] initWithFrame:CGRectMake(480 * kScale, 294 * kScale, 145 * kScale, 78 * kScale)];
_getCodeButton.tag = codeType;
_getCodeButton.titleLabel.numberOfLines = 0;
_getCodeButton.titleLabel.textAlignment = NSTextAlignmentCenter;
NSMutableAttributedString * str = [[NSMutableAttributedString alloc] initWithString:@"获取验证码"];
[str addAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:28 * kScale],
NSForegroundColorAttributeName:kRGBA(255, 75, 91, 1)}
range:NSMakeRange(0, 5)];
[_getCodeButton setAttributedTitle:str forState:UIControlStateNormal];
[_getCodeButton addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:_getCodeButton];
#pragma mark - 按钮点击事件
- (void)buttonAction:(UIButton *)button {
switch (button.tag) {
case codeType: {
[_getCodeButton setEnabled:NO];
_timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(timerFireMethod:) userInfo:nil repeats:YES];
} break;
case loginType: {
[self releaseTimer];
} break;
default:
break;
}
}
#pragma mark - 倒计时方法验证码实现倒计时60秒，60秒后按钮变换开始的样子
- (void)timerFireMethod:(NSTimer *)timer {
if (_second == 1) {
[timer invalidate];
_second = 60;
[_getCodeButton setEnabled:YES];
//富文本
NSMutableAttributedString * str = [[NSMutableAttributedString alloc] initWithString:@"重新获取"];
[str addAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:28 * kScale],
NSForegroundColorAttributeName:kRGBA(255, 75, 91, 1)}
range:NSMakeRange(0, 4)];
[_getCodeButton setAttributedTitle:str forState:UIControlStateNormal];
} else {
_second--;
//富文本
NSMutableAttributedString * str = [[NSMutableAttributedString alloc] initWithString:[NSString stringWithFormat:@"重新获取\n%ld秒",_second]];
[str addAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:28 * kScale],
NSForegroundColorAttributeName:kRGBA(255, 75, 91, 1)}
range:NSMakeRange(0, 4)];
[str addAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:24 * kScale],
NSForegroundColorAttributeName:kRGBA(153, 153, 153, 1)}
range:NSMakeRange(4, str.length - 4)];
[_getCodeButton setAttributedTitle:str forState:UIControlStateNormal];
}
}
#pragma mark - 如果确认完成，停止验证码倒数
- (void)releaseTimer {
if (_timer) {
if ([_timer respondsToSelector:@selector(isValid)]) {
if ([_timer isValid]) {
[_timer invalidate];
_second = 60;
[self.getCodeButton setEnabled:YES];
//富文本
NSMutableAttributedString * str = [[NSMutableAttributedString alloc] initWithString:@"获取验证码"];
[str addAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:28 * kScale],
NSForegroundColorAttributeName:kRGBA(255, 75, 91, 1)}
range:NSMakeRange(0, 5)];
[_getCodeButton setAttributedTitle:str forState:UIControlStateNormal];
}
}
}
}
