logout.java

《基于Eclipse的开源框架技术与实战》[第10章]随书源码

package com.free.web.struts.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.ActionForward;
import org.apache.struts.action.ActionMapping;

/**
 * <p>Title: Eclipse Plugin Development</p>
 * <p>Description: Free download</p>
 * <p>Copyright: Copyright (c) 2006</p>
 * <p>Company: Free</p>
 * @author gan.shu.man
 * @version 1.0
 */

public class Logout extends Action {
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {

		try {

			HttpSession session = request.getSession(false);
			if (session != null) {
				session.invalidate();
			}

		} catch (Exception e) {
			String strError = e.getMessage();
			System.out.println("Error is: " + strError);
		}

		return mapping.findForward("success");
	}

}