NSAttributedString NSAttributedString API并非十全十美,这不是秘密。 基于NSDictionary,它看起来丑陋,反操作且难以维护... NSMutableAttributedString *attributedString = [[ NSMutableAttributedString alloc ] initWithString: @" Test attributed string " attributes: @{ NSForegroundColorAttributeName : [UIColor greenColor ], NSFontAttri