word转换为pdf，对指定内容文本替换

/**
     * 将word文档， 转换成pdf, 中间替换掉变量
     *
     * @param source 源为word文档， 必须为docx文档
     * @param target 目标输出
     * @param params 需要替换的变量
     * @throws Exception
     */
    public static void wordConverterToPdf(InputStream source, OutputStream target, Map<String, Object> params)
            throws Exception {

        wordConverterToPdf(source, target, null, params);
    }

    /**
     * 将word文档， 转换成pdf, 中间替换掉变量
     *
     * @param source  源为word文档， 必须为docx文档
     * @param target  目标输出
     * @param params  需要替换的变量
     * @param options PdfOptions.create().fontEncoding( "windows-1250" ) 或者其他
     * @throws Exception
     */
    public static void wordConverterToPdf(InputStream source, OutputStream target, PdfOptions options,
                                          Map<String, Object> params) throws Exception {
        XWPFDocument doc = new XWPFDocument(source);
        paragraphReplace(doc.getParagraphs(), params);
        for (XWPFTable table : doc.getTables()) {
            for (XWPFTableRow row : table.getRows()) {
                for (XWPFTableCell cell : row.getTableCells()) {
                    paragraphReplace(cell.getParagraphs(), params);
                }
            }
        }
        PdfConverter.getInstance().convert(doc, target, options);
        System.out.println("转换完成");
    }

    /**
     * 替换段落中内容
     */
    private static void paragraphReplace(List<XWPFParagraph> paragraphs, Map<String, Object> params) {
        if (MapUtils.isNotEmpty(params)) {
            for (XWPFParagraph p : paragraphs) {
                for (XWPFRun r : p.getRuns()) {
                    String content = r.getText(r.getTextPosition());
                    if (org.apache.poi.xwpf.converter.core.utils.StringUtils.isNotEmpty(content) && params.containsKey(content)) {
                        r.setText(params.get(content).toString(), 0);
                    }
                }
            }
        }
    }

}