声明类型

//选择器传参a
@property(nonatomic,assign) id taget;
@property(nonatomic,assign) SEL action;
@property(nonatomic,assign) NSInteger tag;

//选择器传参b
@property(nonatomic,assign)id taget;
@property(nonatomic,assign)SEL selector;

-(void)addTarget:(id)taget action:(SEL)selector;


//block传参
@property (nonatomic,copy)void(^cellClick)(NSString *);

//代理传参
@property(nonatomic,weak)id<CategoryViewControllerDelegate>deletage;