loginaction.java

新闻发布系统news struts+spring+hibernate

package org.yeeku.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;
import org.apache.struts.validator.DynaValidatorForm;

import org.yeeku.action.base.BaseAction;
import org.yeeku.webapp.util.AppConstants;
import org.yeeku.model.User;

/**
 * @author  yeeku.H.lee [e-mail]
 * @version  1.0
 * <br>Copyright (C), 2005-2008, yeeku.H.Lee
 * <br>This program is protected by copyright laws.
 * <br>Program Name:
 * <br>Date: 
 */
public class LoginAction extends BaseAction
{
    //必须重写该核心方法，该方法actionForm将表单的请求参数封装成值对象
    public ActionForward execute(ActionMapping mapping, ActionForm form,
       HttpServletRequest request, HttpServletResponse response)throws Exception
    {
        DynaValidatorForm loginForm = (DynaValidatorForm)form;
        String userName = (String)loginForm.get("user");
        String password = (String)loginForm.get("pass");
        

		User user = new User();
		user.setUsername(userName);
		user.setPassword(password);
        if (mgr.validateUser(user))
        {
            request.getSession(true).setAttribute(AppConstants.LOGIN_USER,userName);
            return mapping.findForward("success");
        }
        else
        {
            request.setAttribute("errMsg" , "用户名和密码不匹配");
            return mapping.findForward("input");
        }
    }
}