UILabel，文字添加下划线，中划线

//显示下划线

中划线

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

下划线

NSDictionary *attribtDic = @{NSUnderlineStyleAttributeName: [NSNumbernumberWithInteger:NSUnderlineStyleSingle]};
        NSMutableAttributedString *attribtStr = [[NSMutableAttributedString alloc]initWithString:oldStrattributes:attribtDic];
        oldPriceLabel.attributedText = attribtStr;