java利用POI替换指定标签

   private void replaceInWord(Map<String, String> replacements, XWPFDocument doc, File outfile) throws IOException {
        long count1 = 0;
        long count2 = 0;
        List<XWPFParagraph> paragraphs = doc.getParagraphs();
        List<XWPFTable> tables = doc.getTables();
        count1 = replaceInParagraphs(replacements, paragraphs, false);
        count2 = replaceInTables(replacements, tables);
        doc.write(new FileOutputStream(outfile));
        System.out.println("段落替换数量累计：" + count1);
        System.out.println("表格替换数量累计：" + count2);
    }

    /**
     * 1.替换段落中的文本
     * 
     * @param replacements
     * @param count
     * @param paragraphs
     * @return
     */
    private long replaceInParagraphs(Map<String, String> replacements, List<XWPFParagraph> paragraphs, boolean flag) {
        long count = 0;
        String pString = flag ? "表格" + "段落清晰：" : "段落：";
        for (XWPFParagraph paragraph : paragraphs) {
            System.out.println(pString + paragraph.getText());
            List<XWPFRun> runs = paragraph.getRuns();
            for (Map.Entry<String, String> replPair : replacements.entrySet()) {
                String oldText = replPair.getKey();
                String newText = replPair.getValue();
                // 获取文本段
                TextSegement tSegement = paragraph.searchText(oldText, new PositionInParagraph());
                if (tSegement != null) {
                    int beginRun = tSegement.getBeginRun();
                    int endRun = tSegement.getEndRun();
                    System.out.println(beginRun + " " + endRun);
                    count++;
                    if (beginRun == endRun) {
                        // whole search string is in one Run
                        XWPFRun run = runs.get(beginRun);
                        String runText = run.getText(0);
                        System.out.println("runText:" + runText);
                        String replaced = runText.replace(oldText, newText);
                        run.setText(replaced, 0);
                    } else {
                        // The search string spans over more than one Run
                        // Put the Strings together
                        StringBuilder b = new StringBuilder();
                        for (int runPos = beginRun; runPos <= endRun; runPos++) {
                            XWPFRun run = runs.get(runPos);
                            b.append(run.getText(0));
                        }
                        String connectedRuns = b.toString();
                        String replaced = connectedRuns.replace(oldText, newText);

                        // The first Run receives the replaced String of all
                        // connected Runs
                        XWPFRun partOne = runs.get(beginRun);
                        partOne.setText(replaced, 0);
                        // Removing the text in the other Runs.
                        for (int runPos = beginRun + 1; runPos <= endRun; runPos++) {
                            XWPFRun partNext = runs.get(runPos);
                            partNext.setText("", 0);
                        }
                    }
                }
            }
        }
        return count;
    }

    /**
     * 1.替换表格中的文本
     * 
     * @param replacements
     * @param count
     * @param paragraphs
     * @return
     */
    private long replaceInTables(Map<String, String> replacements, List<XWPFTable> tables) {

        long count = 0;
        for (XWPFTable table : tables) {
            for (XWPFTableRow row : table.getRows()) {
                for (XWPFTableCell cell : row.getTableCells()) {
                    List<XWPFParagraph> paragraphs = cell.getParagraphs();
                    count += replaceInParagraphs(replacements, paragraphs, true);
                }
            }
        }
        return count;
    }