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一个倒计时按钮，操作简单好用。(A countdown button for iOS, the operation is simple and easy to use.)
- 实例化与布局
直接在 storyboard 或在 xib 绘制，设置约束，省去手工代码。
- 配置
- (void)configureCountDownButton {
[self.m_button configureWithDuration:20 countDownStart:^(DYFCountDownButton *_sender, NSInteger startValue) {
NSString *title = [NSString stringWithFormat:@"%zis后重新发送", startValue];
[_sender setTitle:title forState:UIControlStateNormal];
} countDownUnderway:^(DYFCountDownButton *_sender, NSInteger restValue) {
NSString *title = [NSString stringWithFormat:@"%zis后重新发送", restValue];
[_sender setTitle:title forState:UIControlStateNormal];
} countDownEnd:^(DYFCountDownButton *_sender) {
NSString *title = [NSString stringWithFormat:@"获取验证码"];
[_sender setTitle:title forState:UIControlStateNormal];
}];
}- 开始倒计时
- (IBAction)getMsgVerifiedCode:(id)sender {
[self.m_button startCountDown];
}- 结束倒计时
当任务失败或者需要提前终止倒计时，调用此方法。(When the task fails or the countdown needs to be terminated in advance, you call this method.)
- (IBAction)endCountDown:(id)sender {
[self.m_button endCountDown];
}
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