简单的问题如题，给个思路啊
解决方案
if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {YourViewController *vc = [[[YourViewController alloc] initWithNibName:@"YourViewController_iPhone" bundle:nil] autorelease];}else{YourViewController *vc = [[[YourViewController alloc] initWithNibName:@"YourViewController_iPad" bundle:nil] autorelease];}