logonaction.java

应用了最基本的struts框架开发

package addressbook.actions;


import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionServlet;

import addressbook.Constants;
import addressbook.model.*;
import addressbook.forms.LogonForm;

public class LogonAction extends Action{

public ActionForward execute(ActionMapping mapping,
                                 ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response)
        throws Exception {
        User user=new User();
        UserBean bean=new UserBean();
        user=((LogonForm)form).getUser();
        String userName=user.getUserName();
        String password=user.getPassword();

        HttpSession session=request.getSession();
       // ActionErrors errors = new ActionErrors();
       try
       {
         String isLog=(String)bean.Check(userName,password);
         session.setAttribute("isLog",new String(isLog));
       }
       catch(Exception e)
       {
         e.printStackTrace();
       }
      if(((String)session.getAttribute("isLog")).equals("1"))
        return (mapping.findForward("success"));
      else
      {
        return (mapping.findForward("logon"));
      }
    }
}