@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    //    h獲取應用沙盒

    NSString *homaPath =  NSHomeDirectory();

    NSLog(@"%@",homaPath);

}

/**

 * 下面的是用  plist  方式 保存 數據

 */

-(void)savePlist{

    NSString *homePath =  NSHomeDirectory();

    NSString *filePath = [homePath stringByAppendingPathComponent:@"Docments"];

    //    指定文件格式

    NSString *format = [filePath stringByAppendingPathComponent:@"xx.plist"];

    NSArray *data = @[@"房蘭峰1",@"房蘭峰2"];

    [data writeToFile:format atomically:YES];

    //    下面的是第二種方式---》系統提供的

    NSString *dataPath =  NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0];

    NSString *filePathNssear = [dataPath stringByAppendingPathComponent:@"xx.plist"];

}

/**

 * 下面的是  plist 讀取 數據

 */

-(void)readPlist{

    //  指定是哪個文件

    NSString *homePath = NSHomeDirectory();

    NSString *filePath = [homePath stringByAppendingPathComponent:@"Documents"];

    //    獲取數據

    NSArray *data =  [NSArray arrayWithContentsOfFile:filePath];

}

//PReference 方式  --->  偏好設置

-(void)preferenceSave{

    NSUserDefaults *ud = [NSUserDefaults standardUserDefaults];

    [ud setObject:@"value11" forKey:@"key1"];

    [ud setObject:@"value2" forKey:@"key2"];

    //    同步，一定要寫這一步

    [ud synchronize];

}

/**

 * 下面是  preference  的讀取方式

 */

-(void)preferenceRead{

    NSUserDefaults *ud = [NSUserDefaults standardUserDefaults];

    NSLog(@"%@",[ud objectForKey:@"key1"]);

}

/**

 * 數據的存儲與讀取 ====   >>>>>>   歸檔與解檔

 */

-(void)keyedArchiverWrite{

    NSString *docPath = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0];

    NSString *filePath = [docPath stringByAppendingPathComponent:@"xx.data"];

    Teacher *teacher = [[Teacher alloc] init];

    teacher.name = @"垃圾";

    teacher.age = 10;

    //    歸檔

    [NSKeyedArchiver archiveRootObject:teacher toFile:filePath];

}

-(void)keyedUnarchiverRead{

    NSString *filePath = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0];

    NSString *documentType = [filePath stringByAppendingPathComponent:@"xx.data"];

    Teacher *taecher =  [NSKeyedUnarchiver unarchiveObjectWithFile:documentType];

}

@end