if (self = [super init])=======》if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) =======》- (void)viewDidLoad

{

    [super viewDidLoad];

    

    NSLog(@"---111111");

}

=======》if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) {

         IWLog(@"initWithNibName"); 运行里面的数据}

=======》

if (self = [super init]) {

        IWLog(@"init");

        // 添加所有的子控制器

运行里面的数据

    }

//***********************************************************//

- (void)viewWillAppear:(BOOL)animated

{

    [super viewWillAppear:animated];

     NSLog(@"---111111");

}

再调用

- (void)layoutSubviews

{

    [super layoutSubviews];

}