logoutaction.java

java开发者突击源代码demo(struts).rar

package com.demo.struts.actions;

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.apache.struts.actions.DispatchAction;

import com.demo.struts.util.Constants;

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

		ActionForward forward = new ActionForward();

		HttpSession session = request.getSession(false);

		if (session != null) {
			session.invalidate();
		}

		forward = mapping.findForward(Constants.LOGOUT_KEY);

		return (forward);
	}
}