新建一个view-based模板工程,在ViewController文件中添加下面的代码,即可实现翻转效果: - (void)viewDidLoad { [super viewDidLoad]; //需要翻转的视图 UIView *parentView = [[UIView alloc] initWithFrame:CGRectMake(0, 150, 320, 200)]; parentView.backgroundColor = [UIColor yellowColor]; parentVi…