Objective-C-代理（17-08-02）

//
//  main.m
//  OC_代理
//
//  Created by lanou3g on 17/8/2.
//  Copyright © 2017年 lanou3g. All rights reserved.
//

#import 
#import "Boss.h"
#import "Worker.h"

int main(int argc, const char * argv[]) {
    
    Boss *boss = [[Boss alloc] init];
    Worker *worker = [[Worker alloc] init];
    //将代理人设置成worker
    boss.delegate = worker;
    [boss hungry];
    [boss clothesDirty];
    [boss working];
    
    return 0;
}

//
//  Boss.h
//  OC_代理
//
//  Created by lanou3g on 17/8/2.
//  Copyright © 2017年 lanou3g. All rights reserved.
//

#import 
//保姆的协议
@protocol NannyDelegate 

- (void)washClothes;
- (void)cook;

@optional
- (void)takeCareBaby;

@end


@interface Boss : NSObject
//代理属性要用assign或weak去修饰，不需要使用OC中的内存管理方式
@property (nonatomic, assign) iddelegate;

- (void)clothesDirty;
- (void)hungry;
- (void)working;

@end

//
//  Boss.h
//  OC_代理
//
//  Created by lanou3g on 17/8/2.
//  Copyright © 2017年 lanou3g. All rights reserved.
//

#import 
//保姆的协议
@protocol NannyDelegate 

- (void)washClothes;
- (void)cook;

@optional
- (void)takeCareBaby;

@end


@interface Boss : NSObject
//代理属性要用assign或weak去修饰，不需要使用OC中的内存管理方式
@property (nonatomic, assign) iddelegate;

- (void)clothesDirty;
- (void)hungry;
- (void)working;

@end

//
//  Boss.m
//  OC_代理
//
//  Created by lanou3g on 17/8/2.
//  Copyright © 2017年 lanou3g. All rights reserved.
//

#import "Boss.h"

@implementation Boss

- (void)clothesDirty {
    NSLog(@"本老板的衣服脏了");
    [self.delegate washClothes];
}

- (void)hungry {
    NSLog(@"本大王饿了");
    [self.delegate cook];
}

- (void)working {
    NSLog(@"去上班");

    
    //判断代理人能否实现某个方法
    if ([self.delegate respondsToSelector:@selector(takeCareBaby)]) {
        [self.delegate takeCareBaby];
    }else {
        NSLog(@"带着孩子去上班");
    }
}

@end

//
//  Worker.h
//  OC_代理
//
//  Created by lanou3g on 17/8/2.
//  Copyright © 2017年 lanou3g. All rights reserved.
//

#import 
#import "Boss.h"

@interface Worker : NSObject //签署协议



@end

//
//  Worker.m
//  OC_代理
//
//  Created by lanou3g on 17/8/2.
//  Copyright © 2017年 lanou3g. All rights reserved.
//

#import "Worker.h"

@implementation Worker

- (void)washClothes {
    NSLog(@"洗刷刷");
}
- (void)cook {
    NSLog(@"making");
}

- (void)takeCareBaby {
    NSLog(@"保姆带孩子");
}

@end