面向对象程序设计

 1 //
 2 //  Fridge.m
 3 //  面向对象
 4 //
 5 //  Created by macos on 14-8-10.
 6 //  Copyright (c) 2014年 macos. All rights reserved.
 7 //
 8 
 9 #import "Fridge.h"
10 
11 @implementation Fridge
12 @synthesize name,opend,array;
13 -(id) initWidthName:(NSString *)iname
14 {
15     if (self = [super init]) {
16         self.name = iname;
17         opend = false;
18         self.array = [[NSMutableArray alloc] init];
19         NSLog(@"初始化一台：%@电冰箱",self.name);
20     }
21     return self;
22 }
23 
24 -(BOOL) openDoor
25 {
26     if (opend) {
27         NSLog(@"门已经打开，关闭后才能打开");
28     }
29     else
30     {
31         opend = true;
32         NSLog(@"成功打开冰箱的门");
33     }
34     return opend;
35 }
36 
37 -(BOOL) putIn:(id)something
38 {
39     if (opend) {
40         [array addObject:something];
41         NSLog(@"%@成功放入冰箱中,物品数量%lu",something,[array count]);
42     }
43     else
44     {
45         NSLog(@"%@不能放入冰箱中,物品数量%lu：冰箱门未打开",something,[array count]);
46     }
47     return opend;
48 }
49 
50 -(BOOL) closeDoor
51 {
52     if (opend) {
53         opend = false;
54         NSLog(@"成功关闭冰箱的门");
55     }
56     else
57     {
58         NSLog(@"无法关闭冰箱的门：门已经关闭");
59     }
60     return opend;
61 }
62 @end

 1 //
 2 //  Elephant.m
 3 //  面向对象
 4 //
 5 //  Created by macos on 14-8-10.
 6 //  Copyright (c) 2014年 macos. All rights reserved.
 7 //
 8 
 9 #import "Elephant.h"
10 
11 @implementation Elephant
12 @synthesize name;
13 
14 -(id) initWidthName:(NSString *) iname
15 {
16     NSLog(@"初始化一头：%@象",iname);
17     if (self = [super init]) {
18         self.name=iname;
19     }
20     return self;
21 }
22 
23 -(NSString *) description
24 {
25     return [[NSString alloc] initWithFormat:@"[%@象]",self.name];
26 }
27 @end

 1 //
 2 //  main.m
 3 //  OOPDemo
 4 //
 5 //  Created by macos on 14-8-10.
 6 //  Copyright (c) 2014年 macos. All rights reserved.
 7 //  面向对象设计模式
 8 
 9 #import <Foundation/Foundation.h>
10 #import "Fridge.h"
11 #import "Elephant.h"
12 
13 int main(int argc, const char * argv[])
14 {
15 
16     @autoreleasepool {
17         Fridge *fridge = [[Fridge alloc] initWidthName:@"海尔"];
18         Elephant *elephant = [[Elephant alloc] initWidthName:@"南美洲"];
19         [fridge openDoor] &&
20         fridge.opend &&
21         [fridge putIn:elephant] &&
22         [fridge closeDoor];
23     }
24     return 0;
25 }