摘要:
#import "ViewController.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad { [super viewDidLoad]; NSArray *arra... 阅读全文
摘要:
#import "ViewController.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad { [super viewDidLoad]; /*_________... 阅读全文
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#import "ViewController.h"@interface ViewController () //保包括这个viewdelegat协议 @property (weak, nonatomic) IBOutlet UITextField *search; //这是... 阅读全文
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copy和copyWithZone@interface Animal :NSObject //在后面包含NSCOPYING协议 在M文件中复制ANimal类中的对象.- (id)copyWithZone:(NSZone *)zone //copy使用... 阅读全文
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更改协议成block,运行,设置一个头文件person.h#import @interface Person : NSObject@property (nonatomic, copy) void (^brak)(void); //声明void类返回void的block类型的brak,@propert... 阅读全文
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声明一个协议头文件#ifndef Dog_Play_h#define Dog_Play_h@protocol Play @required- (void)brak;- (void)tail;- (void)go;@end#endif定一个persons类.#import #import "Play.... 阅读全文
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#import "ViewController.h"#import "Fish.h"#import "Cat.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad { [super v... 阅读全文
摘要:
#import "ViewController.h"#import "Tiger.h"#import "Lorry.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad { [su... 阅读全文