<%@ page language="java" pageEncoding="UTF-8" contentType="text/html; charset=UTF-8" %> <% response.setHeader("Pragma", "No-cache"); response.setHeader("Cache-Control", "no-cache"); response.setDateHeader("Expires", 0); try{ //清空操作员session对象 request.getSession().removeAttribute("OPERNAME"); request.getSession().removeAttribute("OPERID"); request.getSession().removeAttribute("OPERATOR"); request.getSession().removeAttribute("LOGINTYPE"); request.getSession().invalidate();//清空session if (request.getCookies()!=null) { for(Cookie c:request.getCookies()){ c.setMaxAge(0); } } }catch(Exception ex){ } %>