先上代码。。  这个身材中的数据用人的指针怎么调用啊

1. #import <Foundation/Foundation.h>
   
2. 
   
3. @interface Body : NSObject
   
4. {
   
5.     int _height;
   
6.     double _weight;
   
7.     int _shouChang;
   
8.     int _jiaoChang;
   
9. }
   
10. 
    
11. - (void)setHeight:(int)height;
    
12. - (int)height;
    
13. 
    
14. - (void)setWeight:(int)weight;
    
15. - (int)weight;
    
16. 
    
17. - (void)setShouChang:(int)shouChang;
    
18. - (int)shouChang;
    
19. 
    
20. - (void)setJiaoChang:(int)jiaoChang;
    
21. - (int)jiaoChang;
    
22. @end
    
23. 
    
24. @implementation Body
    
25. 
    
26. - (void)setHeight:(int)height
    
27. {
    
28.     if(height <20){
    
29.         height = 20;
    
30.     }
    
31.     _height = height;
    
32. }
    
33. - (int)height
    
34. {
    
35.     return _height;
    
36. }
    
37. 
    
38. - (void)setWeight:(int)weight
    
39. {
    
40.     if(weight < 10){
    
41.         weight = 10;
    
42.     }
    
43.     _weight = weight;
    
44. }
    
45. - (int)weight
    
46. {
    
47.     return _weight;
    
48. }
    
49. 
    
50. - (void)setShouChang:(int)shouChang
    
51. {
    
52.     if (shouChang < 5) {
    
53.         shouChang = 5;
    
54.     }
    
55.     _shouChang = shouChang;
    
56. }
    
57. - (int)shouChang
    
58. {
    
59.     return _shouChang;
    
60. }
    
61. 
    
62. - (void)setJiaoChang:(int)jiaoChang
    
63. {
    
64.     if (jiaoChang < 6) {
    
65.         jiaoChang = 6;
    
66.     }
    
67.     _jiaoChang = jiaoChang;
    
68. }
    
69. - (int)jiaoChang
    
70. {
    
71.     return _jiaoChang;
    
72. }
    
73. @end
    
74. 
    
75. @interface Person : NSObject
    
76. {
    
77.     Body *_body;
    
78.     int _age;
    
79. }
    
80. 
    
81. - (void)setAge:(int)age;
    
82. - (int)age;
    
83. 
    
84. - (void)setBody:(Body *)body;
    
85. - (Body *)body;
    
86. @end
    
87. 
    
88. @implementation Person
    
89. 
    
90. - (void)setAge:(int)age
    
91. {
    
92.     if (age <= 0) {
    
93.         age = 1;
    
94.     }
    
95.     _age = age;
    
96. }
    
97. - (int)age
    
98. {
    
99.     return _age;
    
100. }
     
101. 
     
102. - (void)setBody:(Body *)body
     
103. {
     
104.     _body = body;
     
105. }
     
106. - (Body *)body
     
107. {
     
108.     return _body;
     
109. }
     
110. @end
     
111. 
     
112. int main()
     
113. {
     
114.    Person *p = [Person new];
     
115.    
     
116.     [p setAge:10];
     
117.    
     
118.    Body *b = [Body new];
     
119.     [b setHeight:178];
     
120.     [b setWeight:63];
     
121.    
     
122.     [p setBody:b];
     
123.     NSLog(@"年龄为：%d的人身材为？？？", [p age],？？？？？);
     
124.    
     
125.     return 0;
     
126. }

复制代码

身材？？ NSLog(@"年龄为%d,身高为%f,体重为%f",p.age, p.body.height, p.body.weight);

恋梦 发表于 2015-1-31 23:33
身材？？ NSLog(@"年龄为%d,身高为%f,体重为%f",p.age, p.body.height, p.body.weight);

原来 对象的方法还用p.age访问 懂了 ~谢了

好高端哦
                    自学中的菜鸟

血玉漫天 发表于 2015-2-13 19:52
好高端哦
                    自学中的菜鸟

呃呃 我这个当时没看下面的视频就来问了。。也问了也看了下面的视频才发现能这样

身材？？ NSLog(@"年龄为%d,身高为%f,体重为%f",p.age, p.body.height, p.body.weight);