OC10_代理反向传值

//
// ProtectedDelegate.h
// OC10_代理反向传值
//
// Created by zhangxueming on 15/6/24.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
// #import <Foundation/Foundation.h> @protocol ProtectedDelegate <NSObject> - (void)bark; @end //
// Dog.h
// OC10_代理反向传值
//
// Created by zhangxueming on 15/6/24.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
// #import <Foundation/Foundation.h>
#import "ProtectedDelegate.h"
#import "Person.h" @interface Dog : NSObject <ProtectedDelegate> @property (nonatomic)Person *master; @end //
// Dog.m
// OC10_代理反向传值
//
// Created by zhangxueming on 15/6/24.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
// #import "Dog.h" @implementation Dog - (void)bark
{
NSLog(@"Wang wang wang ...");
[self.master report:arc4random()%+];
} @end //
// Person.h
// OC10_代理反向传值
//
// Created by zhangxueming on 15/6/24.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
// #import <Foundation/Foundation.h>
#import "ProtectedDelegate.h"
@interface Person : NSObject @property (assign, nonatomic) id <ProtectedDelegate>delegate; - (void)go; - (void)report:(NSInteger)count; @end //
// Person.m
// OC10_代理反向传值
//
// Created by zhangxueming on 15/6/24.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
// #import "Person.h" @implementation Person - (void)go
{
[self.delegate bark];
} - (void)report:(NSInteger)count
{
NSLog(@"killed %li people",count);
} @end
//
// main.m
// OC10_代理反向传值
//
// Created by zhangxueming on 15/6/24.
// Copyright (c) 2015年 zhangxueming. All rights reserved.
// #import <Foundation/Foundation.h>
#import "Person.h"
#import "Dog.h" int main(int argc, const char * argv[]) {
@autoreleasepool {
Person *xiaoXin = [[Person alloc] init];
Dog *dog = [[Dog alloc] init];
xiaoXin.delegate = dog;
dog.master = xiaoXin; [xiaoXin go];
}
return ;
}
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