loginaction.java

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package com.student.action;

import org.apache.struts.action.*;
import javax.servlet.http.*;
import com.student.vo.*;
import com.student.logic.LoginLogic;
import com.student.actionform.LoginActionForm;

public class LoginAction extends Action {
  public ActionForward perform(ActionMapping actionMapping, ActionForm actionForm, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) {
    /**@todo: complete the business logic here, this is just a skeleton.*/

      LoginActionForm form = (LoginActionForm)actionForm;
      LoginLogic logic = new LoginLogic();
      User user = logic.passOrNot(form.getUsername(),form.getPassword());
      logic.closeDAO();
      if(user==null) return  actionMapping.findForward("login");
      if(user.getStudentUID()==null) return actionMapping.findForward("login");
      if(user.getUserName().equals("admin"))
      {
        return actionMapping.findForward("admin");
      }else
      {
          HttpSession session = httpServletRequest.getSession(true);
          session.setAttribute("userinfo",user);
          return actionMapping.findForward("students");
      }
  }

  }