摘要：
UITapGestureRecognizer是没有tag属性，但他有UIView的属性，我们可以通过给UIView添加tag属性，从而标记UITapGestureRecognizer。UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(whenClickImage:)]; [_firstImage addGestureRecognizer:singleTap]; UIView *singleTapView = [singleTap view 阅读全文
