測試歸檔

#import "ViewController.h"

#import "dog.h"

@interface ViewController ()

@end

@implementation ViewController

//存數據

- (IBAction)writeDataAction:(UIButton *)sender {

    //1.獲取存儲的路徑

    NSString *documents = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];

    NSString *filePath = [documents stringByAppendingPathComponent:@"data.plist"];

    //2.創建對象

    dog *superDog = [[dog  alloc]init];

    superDog.name = @"旺財";

    superDog.age = 18;

    superDog.isTrue = YES;

    //3.歸檔  NSKeyedArchive

    //如果使用歸檔 ,所歸檔的對象 必須遵守NSCoding 協議, 編碼協議

    [NSKeyedArchiver archiveRootObject:superDog toFile:filePath];

     NSLog(@"%@",filePath);

}

//讀取數據

- (IBAction)readDataAction:(UIButton *)sender {

    //1.獲取存儲的路徑

    NSString *documents = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];

    NSString *filePath = [documents stringByAppendingPathComponent:@"data.plist"];

    //取出存儲的對象

  dog *superDog =   [NSKeyedUnarchiver unarchiveObjectWithFile:filePath];

    NSLog(@"%@今年%@歲了??? === %@",superDog.name,@(superDog.age),@(superDog.isTrue));

}