IOS 符合某类型的子视图批量从父视图中移除

NSArray *subViews = [self subviews];
for (int i=0; i<subViews.count; i++) {
　　if ([subViews[i] isKindOfClass:[MonitorCutView class]]) {
　　　　[subViews[i] removeFromSuperview];
　　}
}