一 概述
设计一些类，可以自行建立每个类之间的联系，尽量用面向对象的思想思考问题：
- 设计一个类表示一条微博，包含以下属性(发送时间属性可以忽略)，微博内容，微博配图，发送时间，微博发送人，转发的微博，被评论数，被转发数
- 设计一个微博用户类，包含以下属性：姓名，微博号码，密码，头像，性别，手机，生日
二 类的设计
2.1 User类
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| //User.h
#import <Foundation/Foundation.h>
//姓名，微博号码，密码，头像，性别，手机，生日
typedef enum {
SexMan,
SexWoman
} Sex;
typedef struct
{
int year;
int month;
int day;
} Date;
@interface User : NSObject
@property (nonatomic,retain) NSString *name;
@property (nonatomic,retain) NSString *account;
@property (nonatomic,retain) NSString *password;
@property (nonatomic,retain) NSString *icon;
@property (nonatomic,assign) Sex sex;
@property (nonatomic,retain) NSString *phone;
@property (nonatomic,assign) Date birthday;
@end
//User.m
#import "User.h"
@implementation User
- (void)dealloc
{
[_name release];
[_account release];
[_icon release];
[_password release];
[_phone release];
[super dealloc];
}
@end
|
2.2 Status类
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| //Status.h
#import <Foundation/Foundation.h>
#import "User.h"
// 微博内容，微博配图，发送时间，微博发送人，转发的微博，被评论数，被转发数
@interface Status : NSObject
@property (nonatomic,retain) NSString *text;
@property (nonatomic,retain) NSString *icon;
@property (nonatomic,assign) long time;
@property (nonatomic,retain) User *user;
@property (nonatomic,retain) Status *retweetStatus;
@property (nonatomic,assign) int commentsCount;
@property (nonatomic,assign) int retweetsCount;
@end
//Status.m
#import "Status.h"
@implementation Status
- (void)dealloc
{
[_text release];
[_user release];
[_retweetStatus release];
[_icon release];
[super dealloc];
}
@end
|
2.3 main.m
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| #import <Foundation/Foundation.h>
#import "User.h"
#import "Status.h"
int main(int argc, const char * argv[]) {
@autoreleasepool {
// insert code here...
User *u1=[[User alloc]init];
u1.name=@"zhangsan";
User *u2=[[User alloc]init];
u2.name=@"lisi";
Status *s1=[[Status alloc]init];
s1.text=@"今天天气真好！";
s1.user=u1;
Status *s2=[[Status alloc]init];
s2.text=@"今天天气真的很好！";
s2.user=u2;
[u2 release];
[u1 release];
[s2 release];
[s1 release];
}
return 0;
}
|