打印width和height
NSLog(" %f, height: %f",self.View.frame.size.width, self.View.navigationBar.frame.size.height);
打印frame
NSLog(@"%@",[NSValue valueWithCGRect:self.View.bounds]);
打印width和height
NSLog(" %f, height: %f",self.View.frame.size.width, self.View.navigationBar.frame.size.height);
打印frame
NSLog(@"%@",[NSValue valueWithCGRect:self.View.bounds]);