ios controller的调用方法的周期

+(void)load；

+(void)initialize;

-(id)initwith...;

-(void)loadview;

-(void)viewDidLoad;

-(void)viewWillAppear:(BOOL)animated;

-(void)viewDidAppear:(BOOL)animated;

-(void)viewWillDisappear:(BOOL)animated；

-(void)viewDidDisappear:(BOOL)animated；

这是controller的调用顺序；