ios:UIView查找所属的UIViewController

ViewGetBelongsViewController.m

//UIView获取所属的UIViewController范例
-(BookDetailViewController *)viewController{
    for (UIView *next = [self superview]; next; next = [next superview]) {
        UIResponder *nextResponder = [next nextResponder];
        if ([nextResponder isKindOfClass:[BookDetailViewController class]]) {
            return (BookDetailViewController *)nextResponder;
        }
    }
    return nil;
}