通過純代碼加載
UIViewController *targetVC = [PFTargetVC alloc] init];
[self.navigationController pushViewController:targetVC animated:YES];
通過storyboard加載
// 獲取storyboard
UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil];
// 根據(jù)storyboard獲取控制器實(shí)例
UIViewController *targetVC = [storyboard instantiateViewControllerWithIdentifier:@"IDENTIFIER"];
[self.navigationController pushViewController:targetVC animated:YES];
通過xib加載
UIViewController *targetVC = [[UIViewController alloc] initWithNibName:@"NIBNAME" bundle:nil];
[self.navigationController pushViewController:targetVC animated:YES];
