如何在window.print（）中删除基于javascript的默认网址，页数和日期？

Question

    PdfReaderContentParser parser = new PdfReaderContentParser(pdfReader);
    TextExtractionStrategy strategy;
    StringBuffer sb = new StringBuffer();

    for (int i = 1; i <= pdfReader.getNumberOfPages(); i++)
    {
        strategy = parser.processContent(i, new SimpleTextExtractionStrategy());
        sb.append(strategy.getResultantText());
    }
    String text = sb.toString();

  

如何在window.print（）中删除基于javascript的默认网址，网页计数和日期？   浏览器打印设置不仅使用基于代码的删除