联系人数据存储Demo源代码

源码下载地址:07-联系人数据存储.zip
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// MJPerson.h
//
// MJPerson.h
// 07-联系人数据存储
//
// Created by apple on 13-12-11.
// Copyright (c) 2013年itcast. All rights reserved.
////本文永久链接,转载请注明出处:http://www.cnblogs.com/ChenYilong/p/3490609.html
#import<Foundation/Foundation.h>
@interface MJPerson : NSObject <NSCoding>
@property (nonatomic,copy) NSString *name;
@property (nonatomic,copy) NSString *phone;
@end
// MJPerson.m

Map
//
// MJPerson.m
// 07-联系人数据存储
//
// Created by apple on 13-12-11.
// Copyright (c) 2013年itcast. All rights reserved.
//
#import"MJPerson.h"
@implementation MJPerson
- (void)encodeWithCoder:(NSCoder *)encoder
{
[encoder encodeObject:_name forKey:@"name"];
[encoder encodeObject:_phone forKey:@"phone"];
}
- (id)initWithCoder:(NSCoder *)decoder
{
if(self= [super init]) {
_name = [decoder decodeObjectForKey:@"name"];
_phone = [decoder decodeObjectForKey:@"phone"];
}
return self;
}
@end
// MJFriendsViewController.h

Map
//
// MJFriendsViewController.h
// 07-联系人数据存储
//
// Created by apple on 13-12-11.
// Copyright (c) 2013年itcast. All rights reserved.
//
#import<UIKit/UIKit.h>
@interface MJFriendsViewController : UITableViewController
@end
// MJFriendsViewController.m

Map
//
// MJFriendsViewController.m
// 07-联系人数据存储
//
// Created by apple on 13-12-11.
// Copyright (c) 2013年itcast. All rights reserved.
////本文永久链接,转载请注明出处:http://www.cnblogs.com/ChenYilong/p/3490609.html
#define kFilePath [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0] stringByAppendingPathComponent:@"persons.data"]
#import "MJFriendsViewController.h"
#import "MJAddViewController.h"
#import "MJPerson.h"
@interface MJFriendsViewController () <MJAddViewControllerDelegate>
{
NSMutableArray *_persons;
}
@end
@implementation MJFriendsViewController
- (void)viewDidLoad
{
[super viewDidLoad];
// NSString *doc = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0];
// NSString *path = [doc stringByAppendingPathComponent:@"persons.data"];
// _persons = [PersonTool persons];
_persons = [NSKeyedUnarchiver unarchiveObjectWithFile:kFilePath];
if(_persons ==nil) {
_persons = [NSMutableArray array];
}
}
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
// 1.导航控制器
UINavigationController *nav = segue.destinationViewController;
// 2.取出栈顶的添加控制器
MJAddViewController *add = (MJAddViewController *)nav.topViewController;
// 3.设置代理
add.delegate =self;
}
#pragma mark - MJAddViewController的代理方法
#pragma mark成功添加一个联系人就会调用
- (void)addViewController:(MJAddViewController *)add didAddPerson:(MJPerson *)person
{
// 1.将人塞进数组中
[_persons insertObject:person atIndex:0];
// 2.刷新表格
[self.tableView reloadData];
// 3.归档
// NSString *doc = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0];
////本文永久链接,转载请注明出处:http://www.cnblogs.com/ChenYilong/p/3490609.html
// NSString *path = [doc stringByAppendingPathComponent:@"persons.data"];
[NSKeyedArchiver archiveRootObject:_persons toFile:kFilePath];
// [PersonTool savePersons:_persons];
}
#pragma mark - Table view data source
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return _persons.count;
}
#pragma mark每一行显示怎样的cell（内容）
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
// 1.定义一个标识
static NSString *ID =@"cell";
// 2.去缓存池中取出可循环利用的cell
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];
// 3.如果缓存中没有可循环利用的cell
if(cell ==nil) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:ID];
}
// 4.取出模型设置数据
MJPerson *p = _persons[indexPath.row];
cell.textLabel.text = p.name;
cell.detailTextLabel.text = p.phone;
return cell;
}
@end
// MJAddViewController.h

Map
//
// MJAddViewController.h
// 07-联系人数据存储
//
// Created by apple on 13-12-11.
// Copyright (c) 2013年itcast. All rights reserved.
//
#import<UIKit/UIKit.h>
@classMJAddViewController, MJPerson;
@protocolMJAddViewControllerDelegate <NSObject>
@optional
- (void)addViewController:(MJAddViewController *)add didAddPerson:(MJPerson *)person;
@end
@interface MJAddViewController : UIViewController
- (IBAction)cancel:(id)sender;
- (IBAction)add:(id)sender;
@property(weak,nonatomic)IBOutletUITextField *nameField;
@property(weak,nonatomic)IBOutletUITextField *phoneField;
@property(nonatomic,weak)id<MJAddViewControllerDelegate> delegate;
@end
// MJAddViewController.m

Map
//
// MJAddViewController.m
// 07-联系人数据存储
//
// Created by apple on 13-12-11.
// Copyright (c) 2013年itcast. All rights reserved.
//
#import"MJAddViewController.h"
#import"MJPerson.h"
@interfaceMJAddViewController ()
@end
@implementationMJAddViewController
- (void)viewDidLoad
{
[superviewDidLoad];
// Do any additional setup after loading the view.
}
- (IBAction)cancel:(id)sender {
[self dismissViewController Animated:YES completion:nil];
}
- (IBAction)add:(id)sender {
if([_delegate respondsToSelector:@selector(addViewController:didAddPerson:)]) {
MJPerson *p = [[MJPerson alloc] init];
p.name = _nameField.text;
p.phone = _phoneField.text;
[_delegate addViewController:self didAddPerson:p];
[self dismissViewControllerAnimated:YEScompletion:nil];
}
}
@end

巴特西

联系人数据存储Demo源代码

// MJPerson.h

// MJPerson.m

// MJFriendsViewController.h

// MJFriendsViewController.m

// MJAddViewController.h

// MJAddViewController.m

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