xpp_xue的博客

1，通过按钮的事件来设置背景色- (void)viewDidLoad { [super viewDidLoad]; UIButton *button1 = [[UIButton alloc] initWithFrame:CGRectMake(50, 200, 100, 50)]; [button1 setTitle:@"button1" forState:UIControlStat

- (void)myButtonClicked:(id)sender{ //取消此方法 [[self class] cancelPreviousPerformRequestsWithTarget:self selector:@selector(doSth:) object:sender]; [self performSelector:@selector(doSth:) wit

https://www.cnblogs.com/oc-bowen/p/5851849.html