【代码笔记】iOS-屏幕旋转

- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.

self.title=@"屏幕旋转";

}
#pragma  mark -屏幕旋转
-(BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
return (interfaceOrientation==UIInterfaceOrientationPortrait);
}
-(BOOL)shouldAutorotate
{
return YES;
}
-(NSUInteger)supportedInterfaceOrientations
{
return UIInterfaceOrientationMaskPortrait;
}