Objective-C - 模型的设计

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模型的设计

int main(){    //新建2个用户    User *u = [[User alloc] init];    u.name = @"2B";    User *u2 = [[User alloc] init];    u2.name = @"傻B";    // 新建2条微博    Status *s = [[Status alloc] init];    s.text = @"今天天气真好!";    s.user = u;    Status *s2 = [[Status alloc] init];    s2.text = @"今天天气真的很好!";    s2.retweetStatus = s;    s2.user = u2;    [u2 release];    [u release];    [s2 release];    [s release];    return 0;}

typedef enum {    SexMan, // 男    SexWoman // 女} Sex;typedef struct {    int year;    int month;    int day;} Date;// 姓名、微博号码、密码、头像、性别、手机、生日@interface User : NSObject@property (nonatomic, retain) NSString *name;@property (nonatomic, retain) NSString *account;@property (nonatomic, retain) NSString *password;// http://weibo.com/a.png  URL@property (nonatomic, retain) NSString *icon;@property (nonatomic, assign) Sex sex;@property (nonatomic, retain) NSString *phone;@property (nonatomic, assign) Date birthday;@end

@implementation User- (void)dealloc{    [_name release];    [_account release];    [_icon release];    [_password release];    [_phone release];    [super dealloc];}@end

#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;// 从1970-01-01 00:00:00 开始，一共度过了多少毫秒@property (nonatomic, assign) long time;//@property (nonatomic) time_t time;@property (nonatomic, retain) User *user;@property (nonatomic, retain) Status *retweetStatus;@property (nonatomic, assign) int commentsCount;@property (nonatomic, assign) int retweetsCount;@end

@implementation Status- (void)dealloc{    [_text release];    [_user release];    [_retweetStatus release];    [_icon release];    [super dealloc];}@end

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