資料持久化-Plist檔案寫入，-plist寫入

資料持久化-Plist檔案寫入，-plist寫入

資料持久化,常見4種:歸檔,plist檔案,sqlite,coreData.今天複習的是plist檔案讀寫.

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////  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.         /*     讀取plist檔案的內容.     */    NSString * path = [[NSBundle mainBundle] pathForResource:@"Person" ofType:@"plist"];    NSMutableDictionary * data = [[NSMutableDictionary alloc] initWithContentsOfFile:path];    NSLog(@"%@",data);         /*     擷取Document檔案夾中plist檔案的路徑     */    NSMutableArray * mArr = [[NSMutableArray alloc] initWithObjects:@"英語",@"資料",@"法語",@"日語",@"德語", 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"];         /*        賦值     */    [data setObject:mArr forKey:@"kemu"];    [data setObject:@"14" forKey:@"age"];    /*     plist檔案寫入     */    [data writeToFile:fileName atomically:YES];     NSMutableDictionary * data1 = [[NSMutableDictionary alloc] initWithContentsOfFile:fileName];    NSLog(@"%@",data1);         /*     plist檔案可以多次寫入.     */    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