联系人数据存储Demo源代码

1. 源码下载地址:07-联系人数据存储.zip
   35.8 KB
   
2. 

3. // MJPerson.h

4. //
5. //  MJPerson.h
6. //  07-联系人数据存储
7. //
8. //  Created by apple on 13-12-11.
9. //  Copyright (c) 2013年itcast. All rights reserved.
10. ////本文永久链接,转载请注明出处:http://www.cnblogs.com/ChenYilong/p/3490609.html
11. 
    
12. #import<Foundation/Foundation.h>
13. 
    
14. @interface MJPerson : NSObject <NSCoding>
15. @property (nonatomic,copy) NSString *name;
16. @property (nonatomic,copy) NSString *phone;
17. @end

18. // MJPerson.m

    Map
19. //
20. //  MJPerson.m
21. //  07-联系人数据存储
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. @implementation MJPerson
30. 
    
31. - (void)encodeWithCoder:(NSCoder *)encoder
32. {
33.     [encoder encodeObject:_name forKey:@"name"];
34.     [encoder encodeObject:_phone forKey:@"phone"];
35. }
36. 
    
37. - (id)initWithCoder:(NSCoder *)decoder
38. {
39.    if(self= [super init]) {
40.         _name = [decoder decodeObjectForKey:@"name"];
41.         _phone = [decoder decodeObjectForKey:@"phone"];
42.     }
43.    return self;
44. }
45. @end

46. // MJFriendsViewController.h

    Map
47. //
48. //  MJFriendsViewController.h
49. //  07-联系人数据存储
50. //
51. //  Created by apple on 13-12-11.
52. //  Copyright (c) 2013年itcast. All rights reserved.
53. //
54. 
    
55. #import<UIKit/UIKit.h>
56. 
    
57. @interface MJFriendsViewController : UITableViewController
58. 
    
59. @end

60. // MJFriendsViewController.m

    Map
61. //
62. //  MJFriendsViewController.m
63. //  07-联系人数据存储
64. //
65. //  Created by apple on 13-12-11.
66. //  Copyright (c) 2013年itcast. All rights reserved.
67. ////本文永久链接,转载请注明出处:http://www.cnblogs.com/ChenYilong/p/3490609.html
68. 
    
69. #define kFilePath [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0] stringByAppendingPathComponent:@"persons.data"]
70. 
    
71. #import "MJFriendsViewController.h"
72. #import "MJAddViewController.h"
73. #import "MJPerson.h"
74. 
    
75. @interface MJFriendsViewController () <MJAddViewControllerDelegate>
76. {
77.     NSMutableArray *_persons;
78. }
79. @end
80. 
    
81. @implementation MJFriendsViewController
82. 
    
83. - (void)viewDidLoad
84. {
85.     [super viewDidLoad];
86.    
87. //    NSString *doc = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0];
88.    
89. //    NSString *path = [doc stringByAppendingPathComponent:@"persons.data"];
90.    
91. //    _persons = [PersonTool persons];
92.    
93.     _persons = [NSKeyedUnarchiver unarchiveObjectWithFile:kFilePath];
94.    
95.    if(_persons ==nil) {
96.         _persons = [NSMutableArray array];
97.     }
98. }
99. 
    
100. - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
101. {
102.    // 1.导航控制器
103.     UINavigationController *nav = segue.destinationViewController;
104.    
105.    // 2.取出栈顶的添加控制器
106.     MJAddViewController *add = (MJAddViewController *)nav.topViewController;
107.    
108.    // 3.设置代理
109.     add.delegate =self;
110. }
111. 
     
112. #pragma mark - MJAddViewController的代理方法
113. #pragma mark成功添加一个联系人就会调用
114. - (void)addViewController:(MJAddViewController *)add didAddPerson:(MJPerson *)person
115. {
116.    // 1.将人塞进数组中
117.     [_persons insertObject:person atIndex:0];
118.    
119.    // 2.刷新表格
120.     [self.tableView reloadData];
121.    
122.    // 3.归档
123. //    NSString *doc = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0];
124. ////本文永久链接,转载请注明出处:http://www.cnblogs.com/ChenYilong/p/3490609.html   
125. //    NSString *path = [doc stringByAppendingPathComponent:@"persons.data"];
126.    
127.     [NSKeyedArchiver archiveRootObject:_persons toFile:kFilePath];
128.    
129. //    [PersonTool savePersons:_persons];
130. }
131. 
     
132. #pragma mark - Table view data source
133. - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
134. {
135.    return _persons.count;
136. }
137. 
     
138. #pragma mark每一行显示怎样的cell（内容）
139. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
140. {
141.    // 1.定义一个标识
142.    static NSString *ID =@"cell";
143.    
144.    // 2.去缓存池中取出可循环利用的cell
145.     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];
146.    
147.    // 3.如果缓存中没有可循环利用的cell
148.    if(cell ==nil) {
149.         cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:ID];
150.     }
151.    
152.    // 4.取出模型设置数据
153.     MJPerson *p = _persons[indexPath.row];
154.    
155.     cell.textLabel.text = p.name;
156.     cell.detailTextLabel.text = p.phone;
157.    
158.    return cell;
159. }
160. 
     
161. @end

162. // MJAddViewController.h

     Map
163. //
164. //  MJAddViewController.h
165. //  07-联系人数据存储
166. //
167. //  Created by apple on 13-12-11.
168. //  Copyright (c) 2013年itcast. All rights reserved.
169. //
170. 
     
171. #import<UIKit/UIKit.h>
172. 
     
173. @classMJAddViewController, MJPerson;
174. 
     
175. @protocolMJAddViewControllerDelegate <NSObject>
176. 
     
177. @optional
178. - (void)addViewController:(MJAddViewController *)add didAddPerson:(MJPerson *)person;
179. 
     
180. @end
181. 
     
182. @interface MJAddViewController : UIViewController
183. - (IBAction)cancel:(id)sender;
184. - (IBAction)add:(id)sender;
185. @property(weak,nonatomic)IBOutletUITextField *nameField;
186. @property(weak,nonatomic)IBOutletUITextField *phoneField;
187. 
     
188. @property(nonatomic,weak)id<MJAddViewControllerDelegate> delegate;
189. 
     
190. @end

191. // MJAddViewController.m

     Map
192. //
193. //  MJAddViewController.m
194. //  07-联系人数据存储
195. //
196. //  Created by apple on 13-12-11.
197. //  Copyright (c) 2013年itcast. All rights reserved.
198. //
199. 
     
200. #import"MJAddViewController.h"
201. #import"MJPerson.h"
202. 
     
203. @interfaceMJAddViewController ()
204. 
     
205. @end
206. 
     
207. @implementationMJAddViewController
208. 
     
209. - (void)viewDidLoad
210. {
211.     [superviewDidLoad];
212. // Do any additional setup after loading the view.
213. }
214. 
     
215. - (IBAction)cancel:(id)sender {
216.     [self dismissViewController Animated:YES completion:nil];
217. }
218. 
     
219. - (IBAction)add:(id)sender {
220.    if([_delegate respondsToSelector:@selector(addViewController:didAddPerson:)]) {
221.         MJPerson *p = [[MJPerson alloc] init];
222.         p.name = _nameField.text;
223.         p.phone = _phoneField.text;
224.        
225.         [_delegate addViewController:self didAddPerson:p];
226.        
227.         [self dismissViewControllerAnimated:YEScompletion:nil];
228.     }
229. }
230. @end