解决旋转时statusbar隐藏、显示对View布局的影响

//隐藏

[[UIApplicationsharedApplication] setStatusBarHidden:YESwithAnimation:UIStatusBarAnimationFade]; 

[self.viewsetFrame: [[UIScreenmainScreen] bounds]];

//显示

[[UIApplication sharedApplication] setStatusBarHidden:NO withAnimation:UIStatusBarAnimationFade];

[self.view setFrame: [[UIScreen mainScreen] applicationFrame]];