大体ネタ 前提NSHTTPCookieExpiresAn NSDate object or NSString object specifying the expiration date for the cookie.This header field is only used for Version 0 cookies. This header field is optional.Available in Mac OS X v10.2 and later.Declared in NSHTTPCookie.h. 和暦設定でタイムスリップしよう和暦設定にします NSDate *date = [NSDate dateWithTimeIntervalSinceNow:60*60*24]; NSHTTPCookie *cookie = [NSHTTPCookie cookieWithProperti