struts部分：

attribute="upfileForm"

input="/upload/uploadfile.jsp"

name="upfileForm"

path="/upfile"

scope="request"

validate="true"

type="com.yourcompany.struts.action.UpfileAction">

public class UpfileAction extends Action {

/*

* Generated Methods

*/

/**

* Method execute

* @param mapping

* @param form

* @param request

* @param response

* @return ActionForward

*/

public ActionForward execute(ActionMapping mapping, ActionForm form,

HttpServletRequest request, HttpServletResponse response) {

DynaActionForm upfileForm = (DynaActionForm) form;// TODO Auto-generated method stub

Image image = new Image();

String strimgname = upfileForm.getString("filename");

image.setImgname(strimgname);

imageDAO.save(image);

FormFile filedata = (FormFile)upfileForm.get("filedata");

ServletContext servletContext = this.getServlet().getServletContext();

String filePath = servletContext.getRealPath("/");

try {

InputStream stream = filedata.getInputStream();

OutputStream bos = new FileOutputStream(filePath + "/image/" + filedata.getFileName());

int bytesRead = 0;

byte[] buffer = new byte[8192];

while ( (bytesRead = stream.read(buffer, 0, 8192)) != -1) {

bos.write(buffer, 0, bytesRead);

}

bos.close();

stream.close();

}catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

return mapping.findForward("ok");

}

private ImageDAO imageDAO;

public void setImageDAO(ImageDAO dao){

this.imageDAO = dao;

}

}

public class DisplayimgAction extends Action {

/*

* Generated Methods

*/

/**

* Method execute

* @param mapping

* @param form

* @param request

* @param response

* @return ActionForward

*/

public ActionForward execute(ActionMapping mapping, ActionForm form,

HttpServletRequest request, HttpServletResponse response) {

// TODO Auto-generated method stub

List results = imageDAO.findAll();

if(results!=null){

HttpSession session=request.getSession();

session.setAttribute("results",results);

return mapping.findForward("ok");

}return mapping.findForward("fail");

}

private ImageDAO imageDAO;

public void setImageDAO(ImageDAO dao){

this.imageDAO = dao;

}

}

ImageDAO.java

public void save(Image transientInstance) {

Session session =this.getSession();

Transaction tx = null;

tx = session.beginTransaction();

session.save(transientInstance);

tx.commit();

session.evict(transientInstance);

}

public List findAll() {

Session session =this.getSession();

Query query = session.createQuery("from Image");

return query.list();

}

displayimg.jsp

uploadfile.jsp

filename :

filedata :

encodingFilter

org.springframework.web.filter.CharacterEncodingFilter

encoding

UTF-8

encodingFilter

*.do

encodingFilter

*.jsp