归档和解档---秀清

//
//  AccountTool.h
//
//  Created by Joe Zhang on 15/5/23.
//  Copyright (c) 2015年 张秀清. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "Account.h"

@interface AccountTool : NSObject
//存储账号
+(void)save:(Account *)account;
//读取账号
+(Account *)account;

@end

//

//  AccountTool.m

//

//  Created by Joe Zhang on 15/5/23.

//  Copyright (c) 2015年 张秀清. All rights reserved.

//

#import "AccountTool.h"

#define AccountFilePath [NSHomeDirectory() stringByAppendingPathComponent:@"account.data"]

@implementation AccountTool

+(void)save:(Account *)account{

    

    //归档

    [NSKeyedArchiver archiveRootObject:account toFile:AccountFilePath];

}

+(Account *)account{

    //解档

    Account * account = [NSKeyedUnarchiver unarchiveObjectWithFile:AccountFilePath];

    

//    NSDate *now = [NSDate date];

//    if ([now compare:account.expires_time]!= NSOrderedAscending) {

//        

//        return  nil;

//    }

    

    return account;

}

@end