获取cookie

NSHTTPCookieStorage *sharedHTTPCookieStorage = [NSHTTPCookieStorage sharedHTTPCookieStorage];

    NSArray *cookies = [sharedHTTPCookieStorage cookiesForURL:[NSURL URLWithString:@"file:///Users/jason/Library/Developer/CoreSimulator/Devices/FDFE739C-A564-4F15-8609-C527B436D6E5/data/Containers/Data/Application/7348B5F3-F859-4F16-9DAB-D5B6D3ECEDF9/Documents/html/center.html"]];

    NSEnumerator *enumerator = [cookies objectEnumerator];

    NSHTTPCookie *cookie;

    while (cookie = [enumerator nextObject]) {

        NSLog(@"COOKIE{name: %@, value: %@}", [cookie name], [cookie value]);

    }