NSHTTPCookie保存錯誤

我使用ASIFormDataRequest並獲取cookie作爲響應。我試圖把它們保存到NSUserDefaults這樣的：NSHTTPCookie保存錯誤

NSArray * requestCookies = request.responseCookies; 
NSArray * requestCookies = request.responseCookies; 
if (requestCookies.count) { 
    NSData *cookiesData = [NSKeyedArchiver archivedDataWithRootObject:requestCookies]; 
    [[NSUserDefaults standardUserDefaults] setObject:cookiesData forKey:kCookies_Key]; 
    [[NSUserDefaults standardUserDefaults] synchronize]; 
    NSLog(@"Request cookies: %@", requestCookies); 
} 
/* output: 
Request cookies: (
"<NSHTTPCookie version:0 name:\"name1\" value:\"value1\" expiresDate:(null) 
created:2013-02-27 17:49:27 +0000 (3.8368e+08) sessionOnly:TRUE 
domain:\"www.example.com\" path:\"/path\" isSecure:FALSE>", 
"<NSHTTPCookie version:0 name:\"name2\" value:\"value2\" expiresDate:(null) 
created:2013-02-27 17:49:27 +0000 (3.8368e+08) sessionOnly:TRUE 
domain:\"www.example.com\" path:\"/path\" isSecure:FALSE>"*/

然後我試圖恢復這種餅乾：

NSData *cookiesData = [[NSUserDefaults standardUserDefaults] objectForKey:kCookies_Key]; 
if ([cookiesData length]) { 
    NSArray *cookies = [NSKeyedUnarchiver unarchiveObjectWithData:cookiesData]; 
    NSLog(@"Restored cookies: %@", cookies); 
} 
/* output: 
Restored cookies: (
"<NSHTTPCookie version:0 name:\"name1\" value:\"value1\" expiresDate:(null) 
created:2001-01-01 00:00:01 +0000 (1) sessionOnly:TRUE 
domain:\"www.example.com\" path:\"/path\" isSecure:FALSE>", 
"<NSHTTPCookie version:0 name:\"name2\" value:\"value2\" expiresDate:(null) 
created:2001-01-01 00:00:01 +0000 (1) sessionOnly:TRUE 
domain:\"www.example.com\" path:\"/path\" isSecure:FALSE>"*/

這種餅乾之間唯一的區別：創建日期。可能我只會在NSUserDefaults中只保存這兩個cookie的屬性，但爲什麼我有不同的cookie創建日期？

UPD

我試圖挽救NSHTTPCookie唯一性和再創造這個cookie，但我有相同的創建日期：

created:2001-01-01 00:00:01 +0000 (1)

來源

2013-02-27 derpoliuk

你還是將它們保存在SharedCookie存儲空間：

[[NSHTTPCookieStorage sharedHTTPCookieStorage] cookies]

來源

2013-04-17 14:04:57 Joze

NSHTTPCookie保存錯誤

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