Z02登陆ACTION

最新推荐文章于 2022-10-25 17:46:33 发布

原创最新推荐文章于 2022-10-25 17:46:33 发布 · 301 阅读

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CC 4.0 BY-SA版权

文章标签：

#exception #action #session #class #null #user

public class LoginAction extends Action {

public ActionForward execute(ActionMapping mapping,
         ActionForm form,
         HttpServletRequest request,
         HttpServletResponse response) throws Exception {

  LoginActionForm loginActinForm=(LoginActionForm)form;

  String username=null;
  String password=null;
  username = loginActinForm.getUsername().trim();
password = loginActinForm.getPassword().trim();

UserDAO userDAO=new UserDAO();

boolean flag=false;
flag=userDAO.isLogin(username, password);

ActionMessages errors = new ActionMessages();
if (!flag){
     errors.add(ActionMessages.GLOBAL_MESSAGE,new ActionMessage("error.password.mismatch"));
}

  if (!errors.isEmpty()) {
      saveErrors(request, errors);
      return (new ActionForward(mapping.getInput()));
     }

  HttpSession session = request.getSession();
  session.setAttribute("user", username);

  if (mapping.getAttribute() != null) {
             if ("request".equals(mapping.getScope()))
                 request.removeAttribute(mapping.getAttribute());
             else
                 session.removeAttribute(mapping.getAttribute());
         }

  return (mapping.findForward("success"));
}