logoutaction.java

struts+spring+hibernate自创框架

package com.pegasus.framework.acl.action;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.pegasus.framework.acl.pojo.UserSession;
import com.pegasus.framework.action.BaseAction;
import com.pegasus.framework.config.AppConfig;
import com.pegasus.framework.exception.WebException;


public class LogoutAction extends BaseAction {

    /**
	 * 
	 */
	@Override
	public void initService() {
		// TODO Auto-generated method stub
		
	}

	/**
     * @param mapping  。
     * @param form     。
     * @param request  。
     * @param response 。
     * @return 。
     * @throws Exception 。
     */
    public ActionForward doExecute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
                                   HttpServletResponse response) throws WebException {
        UserSession userSession =  (UserSession)request.getSession().getAttribute(UserSession.USERSESSION_KEY);
        if (userSession != null) {
            userSession.clearAttribute();
            request.getSession().removeAttribute(UserSession.USERSESSION_KEY);
        }
        request.getSession().invalidate();
        return new ActionForward(AppConfig.getLoginPage(), true);
    }

}