Plist文件的创建与读写

 1 #import "ViewController.h"
 2 
 3 @interface ViewController ()<UITextFieldDelegate>
 4 
 5 @property (weak, nonatomic) IBOutlet UITextField *nameField;
 6 @property (weak, nonatomic) IBOutlet UITextField *ageField;
 7 @property (weak, nonatomic) IBOutlet UITextField *addressField;
 8 
 9 @property(nonatomic,strong)NSString *path;
10 
11 @end
12 
13 @implementation ViewController
14 
15 - (void)viewDidLoad {
16     [super viewDidLoad];
17     
18     self.nameField.delegate = self;
19     self.ageField.delegate = self;
20     self.addressField.delegate = self;
21     
22     self.path = [self createPlist];
23 }
24 
25 
26 - (NSString*)createPlist{
27     // 创建Plist文件路径
28     NSString *path = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0];
29     NSString *plistPath = [path stringByAppendingPathComponent:@"temp.plist"];
30     
31     // 创建文件夹管理者
32     NSFileManager *manager = [[NSFileManager alloc] init];
33     
34     // 判断:如若未创建Plist则创建，反之不执行
35     if(![manager fileExistsAtPath:plistPath])
36         [manager createFileAtPath:plistPath contents:nil attributes:nil];
37     
38     return plistPath;
39 }
40 
41 // Plist文件属性设置
42 - (IBAction)saveAction:(id)sender {
43     [self keyboardQuit];
44     NSDictionary *dict = @{@"name":self.nameField.text,
45                            @"age":self.ageField.text,
46                            @"address":self.addressField.text};
47     [dict writeToFile:self.path atomically:YES];
48 }
49 
50 // 控制台查看
51 - (IBAction)showAction:(id)sender {
52     [self keyboardQuit];
53     NSDictionary *dict = [NSDictionary dictionaryWithContentsOfFile:self.path];
54     NSLog(@"NAME:%@", dict[@"name"]);
55     NSLog(@"AGE :%@", dict[@"age"]);
56     NSLog(@"ADDRESS:%@", dict[@"address"]);
57 }
58 
59 #pragma mark - keyboard quit: click return 键盘回收
60 - (BOOL)textFieldShouldReturn:(UITextField *)textField{
61     [self keyboardQuit];
62     return YES;
63 }
64 
65 #pragma mark - keyboard quit: click view 键盘回收
66 - (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
67     [self keyboardQuit];
68 }
69 
70 // 取消第一响应者
71 - (void)keyboardQuit{
72     [self.nameField resignFirstResponder];
73     [self.ageField resignFirstResponder];
74     [self.addressField resignFirstResponder];
75 }
76 
77 - (void)didReceiveMemoryWarning {
78     [super didReceiveMemoryWarning];
79     // Dispose of any resources that can be recreated.
80 }
81 
82 @end