POI批量替换world文档XWPFParagraph.getRuns 出现分段混乱

  ${product, }]
${product  }
成了两个部分

public class WorldUtil {
    public static String doc2String2() {
      try {
        WorldUtil wd = new WorldUtil();
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("reportDate", "2014-02-28");
/*        params.put("appleAmt", "100.00");
        params.put("bananaAmt", "200.00");
        params.put("totalAmt", "300.00");*/
        String filePath = "d:\\1.docx";
        InputStream is = new FileInputStream(filePath);
        XWPFDocument doc = new XWPFDocument(is);
        //替换段落里面的变量  
        wd.replaceInPara(doc, params);
        //替换表格里面的变量  
        wd.replaceInTable(doc, params);
        OutputStream os = new FileOutputStream("d:\\sample.docx");
        doc.write(os);
        wd.close(os);
        wd.close(is);
      } catch (Exception e) {
        // TODO: handle exception
      }
      return null;
    }
      /**
       * 读取doc文件内容
       * @param file 想要读取的文件对象
       * @return 返回文件内容
       */
      public static String doc2String(){
        try {
          FileInputStream stream = new FileInputStream("d://1.docx");
          XWPFDocument doc = new XWPFDocument(stream);// 创建Word文件
          for(XWPFParagraph p : doc.getParagraphs())//遍历段落
          {
            System.out.println(p.getParagraphText());
          }
          for(XWPFTable table : doc.getTables())//遍历表格
          {
             for(XWPFTableRow row : table.getRows())
             {
               for(XWPFTableCell cell : row.getTableCells())
               {
                 System.out.println(cell.getText());
               }
             }
          }
          FileOutputStream out = new FileOutputStream("d://sample.docx");
          doc.write(out);
          out.close();
          stream.close();
      } catch (Exception e) {
        // TODO: handle exception
      }
      return null;
      }
      /** 
       * 替换段落里面的变量 
       * @param doc 要替换的文档 
       * @param params 参数 
       */  
      private void replaceInPara(XWPFDocument doc, Map<String, Object> params) {  
         Iterator<XWPFParagraph> iterator = doc.getParagraphsIterator();  
         XWPFParagraph para;  
         while (iterator.hasNext()) {  
            para = iterator.next();  
            this.replaceInPara(para, params);  
         }  
      }  
      /** 
       * 替换段落里面的变量 
       * @param para 要替换的段落 
       * @param params 参数 
       */  
      private void replaceInPara(XWPFParagraph para, Map<String, Object> params) {  
         List<XWPFRun> runs;  
         Matcher matcher;  
         if (matcher(para.getParagraphText()).find()) {  
            runs = para.getRuns();  
            for (int i=0; i<runs.size(); i++) {
               XWPFRun run = runs.get(i);  
               String runText = run.toString();  
               matcher = matcher(runText);  
               System.out.println(runText);
               if (matcher.find()) { 
                 System.out.println("进1");
                   while ((matcher = this.matcher(runText)).find()) {  
                      runText = matcher.replaceFirst(String.valueOf(params.get(matcher.group(1))));  
                   }  
                   //直接调用XWPFRun的setText()方法设置文本时，在底层会重新创建一个XWPFRun，把文本附加在当前文本后面，  
                   //所以我们不能直接设值，需要先删除当前run,然后再自己手动插入一个新的run。  
                   para.removeRun(i);  
                   para.insertNewRun(i).setText(runText);  
               }  
            }  
         }  
      }  
      /** 
       * 替换表格里面的变量 
       * @param doc 要替换的文档 
       * @param params 参数 
       */  
      private void replaceInTable(XWPFDocument doc, Map<String, Object> params) {  
         Iterator<XWPFTable> iterator = doc.getTablesIterator();  
         XWPFTable table;  
         List<XWPFTableRow> rows;  
         List<XWPFTableCell> cells;  
         List<XWPFParagraph> paras;  
         while (iterator.hasNext()) {  
            table = iterator.next();  
            rows = table.getRows();  
            for (XWPFTableRow row : rows) {  
               cells = row.getTableCells();  
               for (XWPFTableCell cell : cells) {  
                   paras = cell.getParagraphs();  
                   for (XWPFParagraph para : paras) {  
                      this.replaceInPara(para, params);  
                   }  
               }  
            }  
         }  
      }  
      /** 
       * 正则匹配字符串 
       * @param str 
       * @return 
       */  
      private Matcher matcher(String str) {  
         Pattern pattern = Pattern.compile("\\$\\{(.+?)\\}", Pattern.CASE_INSENSITIVE);  
         Matcher matcher = pattern.matcher(str); 
         return matcher;  
      }  
      /** 
       * 关闭输入流 
       * @param is 
       */  
      private void close(InputStream is) {  
         if (is != null) {  
            try {  
               is.close();  
            } catch (IOException e) {  
               e.printStackTrace();  
            }  
         }  
      }  
      /** 
       * 关闭输出流 
       * @param os 
       */  
      private void close(OutputStream os) {  
         if (os != null) {  
            try {  
               os.close();  
            } catch (IOException e) {  
               e.printStackTrace();  
            }  
         }  
      }    
  public static void main(String[] args) {
    // TODO Auto-generated method stub
    //doc2String();
    doc2String2();
  }
}