// 设置页面不缓存response.setHeader("Cache-Control", "no-cache");response.setHeader("Cache-Control", "no-store");response.setHeader("Pragma", "no-cache");response.setDateHeader("Expires", 0);
或
response.setHeader("Cache-Control", "no-cache");response.setHeader("Pragma", "no-cache");response.setDateHeader("Expires", 0);