// 状态栏高度
CGFloat StatusH=[UIApplication sharedApplication].statusBarFrame.size.height;
// 导航栏高度
CGFloat NavH=self.navigationController.navigationBar.frame.size.height;
// 状态栏高度
CGFloat StatusH=[UIApplication sharedApplication].statusBarFrame.size.height;
// 导航栏高度
CGFloat NavH=self.navigationController.navigationBar.frame.size.height;