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. #import<Foundation/Foundation.h>
12. @interface MJPerson : NSObject <NSCoding>
13. @property (nonatomic,copy) NSString *name;
14. @property (nonatomic,copy) NSString *phone;
15. @end

16. // MJPerson.m

    Map

17. //
18. //  MJPerson.m
19. //  07-联系人数据存储
20. //
21. //  Created by apple on 13-12-11.
22. //  Copyright (c) 2013年itcast. All rights reserved.
23. //
24. #import"MJPerson.h"
25. @implementation MJPerson
26. - (void)encodeWithCoder:(NSCoder *)encoder
27. {
28.     [encoder encodeObject:_name forKey:@"name"];
29.     [encoder encodeObject:_phone forKey:@"phone"];
30. }
31. - (id)initWithCoder:(NSCoder *)decoder
32. {
33.    if(self= [super init]) {
34.         _name = [decoder decodeObjectForKey:@"name"];
35.         _phone = [decoder decodeObjectForKey:@"phone"];
36.     }
37.    return self;
38. }
39. @end

40. // MJFriendsViewController.h

    Map

41. //
42. //  MJFriendsViewController.h
43. //  07-联系人数据存储
44. //
45. //  Created by apple on 13-12-11.
46. //  Copyright (c) 2013年itcast. All rights reserved.
47. //
48. #import<UIKit/UIKit.h>
49. @interface MJFriendsViewController : UITableViewController
50. @end

51. // MJFriendsViewController.m

    Map

52. //
53. //  MJFriendsViewController.m
54. //  07-联系人数据存储
55. //
56. //  Created by apple on 13-12-11.
57. //  Copyright (c) 2013年itcast. All rights reserved.
58. ////本文永久链接,转载请注明出处:http://www.cnblogs.com/ChenYilong/p/3490609.html
59. #define kFilePath [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0] stringByAppendingPathComponent:@"persons.data"]
60. #import "MJFriendsViewController.h"
61. #import "MJAddViewController.h"
62. #import "MJPerson.h"
63. @interface MJFriendsViewController () <MJAddViewControllerDelegate>
64. {
65.     NSMutableArray *_persons;
66. }
67. @end
68. @implementation MJFriendsViewController
69. - (void)viewDidLoad
70. {
71.     [super viewDidLoad];
72.    
73. //    NSString *doc = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0];
74.    
75. //    NSString *path = [doc stringByAppendingPathComponent:@"persons.data"];
76.    
77. //    _persons = [PersonTool persons];
78.    
79.     _persons = [NSKeyedUnarchiver unarchiveObjectWithFile:kFilePath];
80.    
81.    if(_persons ==nil) {
82.         _persons = [NSMutableArray array];
83.     }
84. }
85. - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
86. {
87.    // 1.导航控制器
88.     UINavigationController *nav = segue.destinationViewController;
89.    
90.    // 2.取出栈顶的添加控制器
91.     MJAddViewController *add = (MJAddViewController *)nav.topViewController;
92.    
93.    // 3.设置代理
94.     add.delegate =self;
95. }
96. #pragma mark - MJAddViewController的代理方法
97. #pragma mark成功添加一个联系人就会调用
98. - (void)addViewController:(MJAddViewController *)add didAddPerson:(MJPerson *)person
99. {
100.    // 1.将人塞进数组中
101.     [_persons insertObject:person atIndex:0];
102.    
103.    // 2.刷新表格
104.     [self.tableView reloadData];
105.    
106.    // 3.归档
107. //    NSString *doc = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0];
108. ////本文永久链接,转载请注明出处:http://www.cnblogs.com/ChenYilong/p/3490609.html   
109. //    NSString *path = [doc stringByAppendingPathComponent:@"persons.data"];
110.    
111.     [NSKeyedArchiver archiveRootObject:_persons toFile:kFilePath];
112.    
113. //    [PersonTool savePersons:_persons];
114. }
115. #pragma mark - Table view data source
116. - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
117. {
118.    return _persons.count;
119. }
120. #pragma mark每一行显示怎样的cell（内容）
121. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
122. {
123.    // 1.定义一个标识
124.    static NSString *ID =@"cell";
125.    
126.    // 2.去缓存池中取出可循环利用的cell
127.     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];
128.    
129.    // 3.如果缓存中没有可循环利用的cell
130.    if(cell ==nil) {
131.         cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:ID];
132.     }
133.    
134.    // 4.取出模型设置数据
135.     MJPerson *p = _persons[indexPath.row];
136.    
137.     cell.textLabel.text = p.name;
138.     cell.detailTextLabel.text = p.phone;
139.    
140.    return cell;
141. }
142. @end

143. // MJAddViewController.h

     Map

144. //
145. //  MJAddViewController.h
146. //  07-联系人数据存储
147. //
148. //  Created by apple on 13-12-11.
149. //  Copyright (c) 2013年itcast. All rights reserved.
150. //
151. #import<UIKit/UIKit.h>
152. @classMJAddViewController, MJPerson;
153. @protocolMJAddViewControllerDelegate <NSObject>
154. @optional
155. - (void)addViewController:(MJAddViewController *)add didAddPerson:(MJPerson *)person;
156. @end
157. @interface MJAddViewController : UIViewController
158. - (IBAction)cancel:(id)sender;
159. - (IBAction)add:(id)sender;
160. @property(weak,nonatomic)IBOutletUITextField *nameField;
161. @property(weak,nonatomic)IBOutletUITextField *phoneField;
162. @property(nonatomic,weak)id<MJAddViewControllerDelegate> delegate;
163. @end

164. // MJAddViewController.m

     Map

165. //
166. //  MJAddViewController.m
167. //  07-联系人数据存储
168. //
169. //  Created by apple on 13-12-11.
170. //  Copyright (c) 2013年itcast. All rights reserved.
171. //
172. #import"MJAddViewController.h"
173. #import"MJPerson.h"
174. @interfaceMJAddViewController ()
175. @end
176. @implementationMJAddViewController
177. - (void)viewDidLoad
178. {
179.     [superviewDidLoad];
180. // Do any additional setup after loading the view.
181. }
182. - (IBAction)cancel:(id)sender {
183.     [self dismissViewController Animated:YES completion:nil];
184. }
185. - (IBAction)add:(id)sender {
186.    if([_delegate respondsToSelector:@selector(addViewController:didAddPerson:)]) {
187.         MJPerson *p = [[MJPerson alloc] init];
188.         p.name = _nameField.text;
189.         p.phone = _phoneField.text;
190.        
191.         [_delegate addViewController:self didAddPerson:p];
192.        
193.         [self dismissViewControllerAnimated:YEScompletion:nil];
194.     }
195. }
196. @end