数据持久化-Plist文件写入

数据持久化,常见4种:归档,plist文件,sqlite,coreData.今天复习的是plist文件读写.

//

//  ViewController.m

//  Test_Plist

//

//  Created by lidongbo on 14/10/30.

//  Copyright (c) 2014年 lidongbo. All rights reserved.

//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    /*

     读取plist文件的内容.

     */

    NSString * path = [[NSBundle mainBundle] pathForResource:@"Person" ofType:@"plist"];

    NSMutableDictionary * data = [[NSMutableDictionary alloc] initWithContentsOfFile:path];

    NSLog(@"%@",data);

    /*

     获取Document文件夹中plist文件的路径

     */

    NSMutableArray * mArr = [[NSMutableArray alloc] initWithObjects:@"英语",@"数据",@"法语",@"日语",@"德语", nil];

    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

    NSString * plistPath = [paths objectAtIndex:0];

    NSLog(@"%@",plistPath);

//    NSString * fileName = [plistPath stringByAppendingString:@"/Person.plist"];

    NSString * fileName = [plistPath stringByAppendingPathComponent:@"Person.plist"];

    /*

        赋值

     */

    [data setObject:mArr forKey:@"kemu"];

    [data setObject:@"14" forKey:@"age"];

    /*

     plist文件写入

     */

    [data writeToFile:fileName atomically:YES];

    NSMutableDictionary * data1 = [[NSMutableDictionary alloc] initWithContentsOfFile:fileName];

    NSLog(@"%@",data1);

    /*

     plist文件可以多次写入.

     */

    NSMutableArray * mmArr = [[NSMutableArray alloc] initWithObjects:@"1",@"2",@"3", nil];

    [data setObject:mmArr forKey:@"kemu"];

    [data writeToFile:fileName atomically:YES];

    NSMutableDictionary * data2 = [[NSMutableDictionary alloc] initWithContentsOfFile:fileName];

    NSLog(@"______%@",data2);

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end