OC10_代理反向传值
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OC10_代理反向传值
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//
// ProtectedDelegate.h
// OC10_代理反向傳值
//
// 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_代理反向傳值
//
// 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_代理反向傳值
//
// 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()%100+1];
}@end//
// Person.h
// OC10_代理反向傳值
//
// 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_代理反向傳值
//
// 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_代理反向傳值
//
// 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 0;
}
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轉載于:https://www.cnblogs.com/0515offer/p/4598595.html
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