let dict:NSDictionary = NSDictionary(object: UIColor.orangeColor(),forKey:NSForegroundColorAttributeName) navigationBar.titleTextAttributes = dict as? [String : AnyObject]
用titleTextAttributes 修改navigationItem.title
let dict:NSDictionary = NSDictionary(object: UIColor.orangeColor(),forKey:NSForegroundColorAttributeName) navigationBar.titleTextAttributes = dict as? [String : AnyObject]
