%@ page contentType="text/html; charset=GBK" isErrorPage="true" session="false"%><% response.setHeader("Cache-Control","no-store"); response.setHeader("Pragma","no-cache"); response.setDateHeader("Expires",0); HttpSession session = request.getSession(false); String sID = "NoSession"; if (session!= null) { sID = session.getId(); session.invalidate(); } %>