//
// 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()%
100+
1];
}
@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 0;
}
转载于:https://www.cnblogs.com/0515offer/p/4598595.html
相关资源：ABB凸轮开关 - OC系列.pdf
