第07天OC语言(01):协议基本概念

• 不要等到明天，明天太遥远，今天就行动。

须读:看完该文章你能做什么？

1.知道什么是协议,如何使用协议

学习前:你必须会什么?（在这里我已经默认你具备C语言的基础了）

适合所有人，不需要懂的什么

---

一、本章笔记

/*
 protocol
 
 @interface 类名 : 父类<协议名称1,协议名称2>
 @end
 */

二、code

main.m

#pragma mark 01-协议基本概念
#pragma mark 概念
#pragma mark - 代码
#import <Foundation/Foundation.h>
#pragma mark 类
#import "Person.h"
#import "Student.h"
#import "Teacher.h"
#pragma mark - main函数
int main(int argc, const char * argv[])
{
    
    Person *p = [[Person alloc]init];
    [p playFootball];
    
    Student *s = [[Student alloc]init];
    [s playBasketball];
    
    Teacher *t = [[Teacher alloc]init];
    [t playBaseball];
    return 0;
}

Person

>>>.h
#import <Foundation/Foundation.h>
#import "SportProtocol.h"
@interface Person : NSObject<SportProtocol>
//- (void)playFootball;
@end
>>>.m
#import "Person.h"

@implementation Person

- (void)playFootball
{
    NSLog(@"%s",__func__);
}
- (void)playBasketball
{
    NSLog(@"%s",__func__);
}

- (void)playBaseball
{
    NSLog(@"%s",__func__);
}
@end

Student

>>>.h
#import <Foundation/Foundation.h>
#import "SportProtocol.h"
@interface Student : NSObject<SportProtocol>

@end

>>>.m
#import "Student.h"

@implementation Student
- (void)playFootball
{
    NSLog(@"%s",__func__);
}
- (void)playBasketball
{
    NSLog(@"%s",__func__);
}

- (void)playBaseball
{
    NSLog(@"%s",__func__);
}
@end

Teacher

>>>.h
#import <Foundation/Foundation.h>
#import "SportProtocol.h"
@interface Teacher : NSObject<SportProtocol>

@end

>>>.m
#import "Teacher.h"

@implementation Teacher
- (void)playFootball
{
    NSLog(@"%s",__func__);
}
- (void)playBasketball
{
    NSLog(@"%s",__func__);
}

- (void)playBaseball
{
    NSLog(@"%s",__func__);
}
@end

Dog

>>>.h
#import <Foundation/Foundation.h>
#import "SportProtocol.h"
@interface Dog : NSObject<SportProtocol>

@end

>>>.m
#import "Dog.h"

@implementation Dog
- (void)playFootball
{
    NSLog(@"%s",__func__);
}
- (void)playBasketball
{
    NSLog(@"%s",__func__);
}

- (void)playBaseball
{
    NSLog(@"%s",__func__);
}
@end