53.使用plist文件存手机号码

 

#import "ViewController.h"

@interface ViewController ()
@property (weak, nonatomic) IBOutlet UITextField *name;
@property (weak, nonatomic) IBOutlet UITextField *phone;
- (IBAction)save;
- (IBAction)read;
@property (weak, nonatomic) IBOutlet UIButton *savebtn;
@property (weak, nonatomic) IBOutlet UIButton *readbtn;
@property (weak, nonatomic) IBOutlet UILabel *infomation;

@end

@implementation ViewController

- (void)textValueChanged
{
    self.savebtn.enabled = (self.name.text.length && self.phone.text.length);
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    [self.name addTarget:self action:@selector(textValueChanged) forControlEvents:UIControlEventEditingChanged];
    [self.phone addTarget:self action:@selector(textValueChanged) forControlEvents:UIControlEventEditingChanged];
}

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
    if (![self.name isExclusiveTouch]) {
        [self.name resignFirstResponder];
    }
    if (![self.phone isExclusiveTouch]) {
        [self.phone resignFirstResponder];
    }
}

- (IBAction)save {
    NSString *doc = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];
    NSArray *arr = @[self.name.text, self.phone.text];
    NSString *filepath = [doc stringByAppendingPathComponent:@"data.plist"];
    [arr writeToFile:filepath atomically:YES];
    self.readbtn.enabled = YES;
    [self.view endEditing:YES];
}

- (IBAction)read {
    NSString *doc = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];
    NSString *filepath = [doc stringByAppendingPathComponent:@"data.plist"];
    NSArray *arr = [NSArray arrayWithContentsOfFile:filepath];
    self.infomation.text = [NSString stringWithFormat:@" %@：%@", arr[0], arr[1]];
}

@end