归档普通对象Demo示例程序源代码

1. 源代码下载链接:06-归档普通对象.zip
   34.2 KB
   
3. //
4. //  MJPerson.h
5. //  06-归档普通对象
6. //
7. //  Created by apple on 13-12-11.
8. //  Copyright (c) 2013年itcast. All rights reserved.
9. //
10. 
    
11. #import<Foundation/Foundation.h>
12. 
    
13. @interfaceMJPerson : NSObject <NSCoding>
14. @property(nonatomic,copy) NSString *name;
15. @property(nonatomic,assign)intage;
16. @property(nonatomic,assign)doubleheight;
17. @end

18. // MJPerson.m Map

19. //
20. //  MJPerson.m
21. //  06-归档普通对象
22. //
23. //  Created by apple on 13-12-11.
24. //  Copyright (c) 2013年itcast. All rights reserved.
25. //
26. 
    
27. #import"MJPerson.h"
28. 
    
29. @implementationMJPerson
30. 
    
31. #pragma mark将对象归档的时候会调用（将对象写入文件之前会调用）
32. //在这个方法说清楚：
33. // 1.哪些属性需要存储
34. // 2.怎样存储这些属性
35. - (void)encodeWithCoder:(NSCoder *)encoder
36. {
37.    //将_name属性值进行编码（会将_name的值存进文件）
38.     [encoder encodeObject:_name forKey:@"name"];
39.    
40.     [encoder encodeInt:_age forKey:@"age"];
41.    
42.    
43.     [encoder encodeDouble:_height forKey:@"height"];
44.    
45.     NSLog(@"Person---encodeWithCoder-----");
46. }
47. 
    
48. #pragma mark当从文件中解析对象时调用
49. //在这个方法说清楚：
50. // 1.哪些属性需要解析（读取）
51. // 2.怎样解析（读取）这些属性
52. - (id)initWithCoder:(NSCoder *)decoder
53. {
54.     NSLog(@"Person---initWithCoder-----");
55.    if(self = [super init]) {
56.         _name = [decoder decodeObjectForKey:@"name"];
57.         _age = [decoder decodeIntForKey:@"age"];
58.         _height = [decoder decodeDoubleForKey:@"height"];
59.     }
60.    return self;
61. }
62. 
    
63. @end

64. // MJStudent.h Map

65. //
66. //  MJStudent.h
67. //  06-归档普通对象
68. //
69. //  Created by apple on 13-12-11.
70. //  Copyright (c) 2013年itcast. All rights reserved.
71. //
72. 
    
73. #import"MJPerson.h"
74. 
    
75. @interfaceMJStudent : MJPerson
76. @property(nonatomic,copy) NSString *no;
77. @end

78. // MJStudent.m Map

79. //
80. //  MJStudent.m
81. //  06-归档普通对象
82. //
83. //  Created by apple on 13-12-11.
84. //  Copyright (c) 2013年itcast. All rights reserved.
85. //
86. 
    
87. #import"MJStudent.h"
88. 
    
89. @implementation MJStudent
90. 
    
91. - (void)encodeWithCoder:(NSCoder *)encoder
92. {
93.     [super encodeWithCoder:encoder];
94.    
95.     [encoder encodeObject:_no forKey:@"no"];
96.    
97.     NSLog(@"MJStudent---encodeWithCoder-----");
98. }
99. //本文永久链接,转载请注明出处:http://www.cnblogs.com/ChenYilong/p/3490624.html
100. - (id)initWithCoder:(NSCoder *)decoder
101. {
102.    if(self= [superinitWithCoder:decoder]) {
103.         NSLog(@"MJStudent---encodeWithCoder-----");
104.         _no = [decoder decodeObjectForKey:@"no"];
105.     }
106.    returnself;
107. }
108. 
     
109. @end

110. // MJViewController.h Map

111. //
112. //  MJViewController.h
113. //  06-归档普通对象
114. //
115. //  Created by apple on 13-12-11.
116. //  Copyright (c) 2013年itcast. All rights reserved.
117. //
118. 
     
119. #import<UIKit/UIKit.h>
120. 
     
121. @interfaceMJViewController : UIViewController
122. - (IBAction)save;
123. - (IBAction)read;
124. 
     
125. @end

126. // MJViewController.m Map

127. //
128. //  MJViewController.m
129. //  06-归档普通对象
130. //
131. //  Created by apple on 13-12-11.
132. //  Copyright (c) 2013年itcast. All rights reserved.
133. //
134. 
     
135. #import"MJViewController.h"
136. #import"MJPerson.h"
137. #import"MJStudent.h"
138. 
     
139. @interfaceMJViewController ()
140. 
     
141. @end
142. 
     
143. @implementationMJViewController
144. 
     
145. - (void)viewDidLoad
146. {
147.     [superviewDidLoad];
148. // Do any additional setup after loading the view, typically from a nib.
149. }
150. 
     
151. - (void)didReceiveMemoryWarning
152. {
153.     [superdidReceiveMemoryWarning];
154.    // Dispose of any resources that can be recreated.
155. }
156. 
     
157. - (IBAction)save {
158. //    MJPerson *p = [[MJPerson alloc] init];
159. //    p.name = @"jack";
160. //    p.age = 10;
161. //    p.height = 1.55;
162. //   
163. //    NSString *path = @"/Users/apple/Desktop/person.data";
164. //    //归档
165. //    [NSKeyedArchiver archiveRootObject:p toFile:path];
166.    
167.     MJStudent *stu = [[MJStudent alloc] init];
168.     stu.name =@"rose";
169.     stu.age =20;
170.     stu.height =1.75;
171.     stu.no =@"110";
172.    
173.     NSString *path =@"/Users/apple/Desktop/person.data";
174.    
175.     [NSKeyedArchiver archiveRootObject:stu toFile:path];
176. }
177. 
     
178. - (IBAction)read {
179.     NSString *path =@"/Users/apple/Desktop/person.data";
180.    
181.     MJStudent *stu = [NSKeyedUnarchiver unarchiveObjectWithFile:path];
182.    
183.     NSLog(@"%@ - %d - %f- %@", stu.name, stu.age, stu.height, stu.no);
184. ////本文永久链接,转载请注明出处:http://www.cnblogs.com/ChenYilong/p/3490624.html
185. //    //读档（反归档）
186. //    MJPerson *p = [NSKeyedUnarchiver unarchiveObjectWithFile:path];
187. //   
188. //    NSLog(@"%@ - %d - %f", p.name, p.age, p.height);
189. }
190. @end