logoutaction.java

一个很好的jbpm应用实例

package c20.struts.action;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import c20.session.UserSession;

/** 
 * 
 * 退出Action类
 * @struts.action path="/logout" scope="request" validate="true"
 * @struts.action-forward name="login" path="/login.jsp"
 */
public class LogoutAction extends Action{
    private static final Log log = LogFactory.getLog(LogoutAction.class);
	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		log.debug("清除用户登录信息");
		//清除用户登录信息
		UserSession.removeSession(request, response);
		
		return mapping.findForward("success");
	}
}