UILabel 添加中划线和下划线

        //中划线

        NSDictionary *attribtDic =
@{NSStrikethroughStyleAttributeName: [NSNumber
numberWithInteger:NSUnderlineStyleSingle]};

        //下划线

//        NSDictionary *attribtDic = @{NSUnderlineStyleAttributeName: [NSNumber numberWithInteger:NSUnderlineStyleSingle]};

        NSMutableAttributedString *attribtStr = [[NSMutableAttributedString
alloc]initWithString:oldStr
attributes:attribtDic];

        oldPriceLabel.attributedText = attribtStr;