logoutaction.java

来自「这是一个学校老师和学生的管理系统,程序比较简单,但是几乎所有功能都可以实现,如果」· Java 代码 · 共 61 行

/**
 *******************************************************************************
 * LogoutAction.java
 *
 * (c) Copyright 2008 Hewlett-Packard Development Company, L.P.
 *
 *<Program Content>
 *  System Name ： Students Management System
 *<Summarize>
 *  The file includes a class and the class main function is to log out the 
 *  stuMenu page.
 *<Update Record>
 *  2009-4-27    1.00    zhangliy
 *******************************************************************************
 */
package com.hp.eds.zhangliyuan.stuMan.action;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.springframework.web.struts.ActionSupport;

import com.hp.eds.zhangliyuan.stuMan.consts.PageConsts;

/**
 * The class main function is to log out the stuMenu page.
 * 
 * @author zhangliy
 * @version 1.0
 */
public class LogoutAction extends ActionSupport {

	/**
	 * log out the stuMenu page and go back to the login page.
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 * @throws Exception
	 * @throws Exception
	 * @see org.apache.struts.action.Action#execute(org.apache.struts.action.ActionMapping,
	 *      org.apache.struts.action.ActionForm,
	 *      javax.servlet.http.HttpServletRequest,
	 *      javax.servlet.http.HttpServletResponse)
	 */
	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		HttpSession session = request.getSession();
		session.removeAttribute(PageConsts.LOGIN_SUCCESS_SESSION_MASSAGE);
		return mapping.findForward(PageConsts.LOGOUT);
	}
}