for...in...循环处理一组按钮的选中状态变动

 

 

for...in...  循环  处理一组按钮的选中状态变动

- (void)buttonAction:(UIButton *)button { [_indexView removeFromSuperview]; //下面线条移除[_tabScrollView setContentOffset:CGPointMake(button.tag * _pageWidth, 0) animated:_transitionAnimated]; //下面两句话更改所有按钮的状态 for (UIButton *tempButton in _tabButtonArray) { if (button.tag != tempButton.tag) { [tempButton setSelected:NO]; } } [button setSelected:YES];if(button.selected) {  _indexView.frame = CGRectMake(0, tabButton.frame.size.height - 2, tabButton.frame.size.width, 2);           [tabButton addSubview:_indexView]; } }

 

转载于:https://www.cnblogs.com/OIMM/p/11475721.html