logoutaction.java

模仿当当网基于struts+hierbernate与mysql的商务网站。

package org.whatisjava.dang.action;

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

import org.apache.log4j.Logger;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

public class LogoutAction extends Action {
	Logger logger=Logger.getLogger(this.getClass());
	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest req, HttpServletResponse res) throws Exception {
		logger.info("LogoutAction.execute()");
		HttpSession session=req.getSession();
		session.invalidate();
		Cookie cookie =new Cookie("dang.user.id","");
		cookie.setMaxAge(0);
		cookie.setPath(req.getContextPath());
		res.addCookie(cookie);
		return mapping.findForward("success");
	}

}