poi实现word文档的导入（针对.doc .docx rtf）

public void importUnitInfo() throws IOException{
   String filePath =  this.getHttpServletRequest().getParameter("docWord");
   File file = new File(filePath);
   POIFSFileSystem pfs = null;
   List<String> list = new ArrayList<String>(); 
   organization = new Organization();
   String info="";
   Boolean sign =true;
      FileInputStream ins = new FileInputStream(filePath);// 载入文档 
//    WordExtractor extractor = new WordExtractor(ins);
//    // 对DOC文件进行提取
//    String text = extractor.getText();
   XWPFWordExtractor docx = null;
   int index = filePath.lastIndexOf(".");
   String fileType =filePath.substring(index);
   try {
   if(fileType.equals(".docx")){
  
   docx = new XWPFWordExtractor(POIXMLDocument.openPackage(filePath));//对docx文档的操作
 
   }else if(fileType.equals(".doc")){
  
   pfs = new POIFSFileSystem(ins); // 对doc文档的操作
   }
   } catch (Exception e) {
   if(pfs==null&&docx==null){
   sign=false;
  
   }
   }
   if(sign==true){//导入的文件格式是word(doc或者docx)
   try {
  if(fileType.equals(".doc")){
   HWPFDocument hwpf = new HWPFDocument(pfs); 
   Range range = hwpf.getRange();// 得到文档的读取范围
   TableIterator it = new TableIterator(range);// 迭代文档中的表格
       String cellString="";
   if (it.hasNext()) { 
          TableRow tr = null; 
          TableCell td = null; 
          org.apache.poi.hwpf.usermodel.Paragraph para = null; 
          org.apache.poi.hwpf.usermodel.Table tb =  it.next(); 
          // 迭代行，从第1行开始  
         for (int i = 0; i < tb.numRows(); i++) { 
             tr = tb.getRow(i); 
             for (int j = 0; j < tr.numCells(); j++) { 
                 td = tr.getCell(j);// 取得单元格  
                  // 取得单元格的内容  
                  for (int k = 0; k < td.numParagraphs(); k++) { 
                     para = td.getParagraph(k); 
                      cellString = para.text();
                      boolean flag = true;
                     
                      if (cellString != null && cellString.compareTo("") != 0&&flag==true) { 
                         // 如果不trim，取出的内容后会有一个乱码字符  
                             cellString = cellString.trim(); 
                         } 
                          info+= cellString; 
                      } 
                  } 

              } 
          }
  }else if(fileType.equals(".docx")){
  info = docx.getText();
  info =info.replaceAll("\n", "");
  info = info.replaceAll("\r", "");

  }
    info = info.replaceAll("\\s*", "");
  .......（获得word中的内容（info）后，对具体内容操作很简单就不列出了）  this.getHttpServletResponse().getWriter().write("success");
   } catch (Exception e) {
   this.getHttpServletResponse().getWriter().write("fail");
}
}else {//导入的文件是rtf格式
try {
RTFEditorKit rtf = new RTFEditorKit();
DefaultStyledDocument styledDoc = new DefaultStyledDocument();
FileInputStream in = new FileInputStream(filePath);
rtf.read(in, styledDoc, 0);
info = new String(styledDoc.getText(0,styledDoc.getLength()).getBytes("GBK")); //提取文本，读取中文需要使用ISO8859_1编码，否则会出现乱码
info = info.replaceAll("\n", "");
info = info.replaceAll("\\s*", "");
.......（获得word中的内容（info）后，对具体内容操作很简单就不列出了）  [/color][color=black][size=xx-small][/size] this.getHttpServletResponse().getWriter().write("success");
} catch (IOException e) {
this.getHttpServletResponse().getWriter().write("fail");
e.printStackTrace();
} catch (BadLocationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

}