是uibutton跟tableviewcell同步使用一个bug

这个问题是uibutton跟tableviewcell同步使用一个bug，不关delay一点毛事，证据就是点击事件没问题，so,搜到一个方法解决了这个问题。uibutton分类
symbian2+ios4 15:51:46
子类
@implementation Mybutton

/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
// Drawing code
}
*/

- (void) touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
[super touchesBegan:touches withEvent:event];

[NSOperationQueue.mainQueue addOperationWithBlock:^{ self.highlighted = YES; }];
}

- (void) touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event
{
[super touchesCancelled:touches withEvent:event];

[self performSelector:@selector(setDefault) withObject:nil afterDelay:0.1];
}

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
[super touchesEnded:touches withEvent:event];

[self performSelector:@selector(setDefault) withObject:nil afterDelay:0.1];
}

- (void)setDefault
{
[NSOperationQueue.mainQueue addOperationWithBlock:^{ self.highlighted = NO; }]