userlogoutaction.java

非常好的论坛源代码

package com.ntsky.bbs.action;

import org.apache.struts.action.*;
import javax.servlet.http.*;
import org.apache.log4j.Logger ;

import com.ntsky.bbs.action.Constant;
/**
 * <p>Title: Ntsky OpenSource BBS</p>
 * <p>Description: 管理员session清空</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: WWW.FM880.COM</p>
 * @author 姚君林
 * @version 1.0
 */

public class UserLogoutAction extends Action {
    private final static Logger logger = Logger.getLogger(UserLogoutAction.class);
    public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception{

        /**@todo: complete the business logic here, this is just a skeleton.*/

        HttpSession session = httpServletRequest.getSession();
        //清除session
        session.removeAttribute(Constant.USER_KEY);
        session.invalidate();
        //这里不能在给session赋值,血的教训,而request是没关系的
        //session.setAttribute("userLogout","logout");
        httpServletRequest.setAttribute("action","userLogout");
        logger.info("成功删除session");
        return actionMapping.findForward("success");
        //throw new java.lang.UnsupportedOperationException("Method perform() not yet implemented.");
    }
}