java poi 写word 根据模板

package apache.poi;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.util.HashMap;
 import java.util.Map;
 
 import org.apache.poi.hwpf.HWPFDocument;
 import org.apache.poi.hwpf.usermodel.Range;
 import org.apache.poi.poifs.filesystem.DirectoryEntry;
 import org.apache.poi.poifs.filesystem.POIFSFileSystem;
 
 
 public class ExportDocTest {
     
     public static void main(String[] args) {
         String destFile="D:\\11.doc";
         //#####################根据自定义内容导出Word文档#################################################
         StringBuffer fileCon=new StringBuffer();
         fileCon.append("               张大炮            男              317258963215223\n" +
                 "2011     09        2013     07       3\n" +
                 "    二炮研究              成人\n" +
                 "2013000001                             2013     07     08");
         fileCon.append("\n\r\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
         
         new ExportDocTest().exportDoc(destFile, fileCon.toString());
         
         //##################根据Word模板导出单个Word文档###################################################
         Map<String, String> map=new HashMap<String, String>();
         
         map.put("name", "Zues");
         map.put("sex", "男");
         map.put("idCard", "200010");
         map.put("year1", "2000");
         map.put("month1", "07");
         map.put("year2", "2008");
         map.put("month2", "07");
         map.put("gap", "2");
         map.put("zhuanye", "计算机科学与技术");
         map.put("type", "研究生");
         map.put("bianhao", "2011020301");
         map.put("nowy", "2011");
         map.put("nowm", "01");
         map.put("nowd", "20220301");
         //注意biyezheng_moban.doc文档位置,此例中为应用根目录
         HWPFDocument document=new ExportDocTest().replaceDoc("biyezheng_moban.doc", map);
         ByteArrayOutputStream ostream = new ByteArrayOutputStream();
         try {
             document.write(ostream);
             //输出word文件
             OutputStream outs=new FileOutputStream(destFile);
             outs.write(ostream.toByteArray());
             outs.close();
         } catch (IOException e) {
             e.printStackTrace();
         }
         
     }
     
     
     /**
      * 
      * @param destFile
      * @param fileCon
      */
     public void exportDoc(String destFile,String fileCon){
         try {
             //doc content
             ByteArrayInputStream bais = new ByteArrayInputStream(fileCon.getBytes());
             POIFSFileSystem fs = new POIFSFileSystem();
             DirectoryEntry directory = fs.getRoot(); 
             directory.createDocument("WordDocument", bais);
             FileOutputStream ostream = new FileOutputStream(destFile);
             fs.writeFilesystem(ostream);
             bais.close();
             ostream.close();
             
         } catch (IOException e) {
             e.printStackTrace();
         }
     }
     
     
     /**
      * 读取word模板并替换变量
      * @param srcPath
      * @param map
      * @return
      */
     public HWPFDocument replaceDoc(String srcPath, Map<String, String> map) {
         try {
             // 读取word模板
             FileInputStream fis = new FileInputStream(new File(srcPath));
             HWPFDocument doc = new HWPFDocument(fis);
             // 读取word文本内容
             Range bodyRange = doc.getRange();
             // 替换文本内容
             for (Map.Entry<String, String> entry : map.entrySet()) {
                 bodyRange.replaceText("${" + entry.getKey() + "}", entry
                         .getValue());
             }
             return doc;
         } catch (Exception e) {
             e.printStackTrace();
             return null;
         }
     }
 
 }