Cookies.简要

格式: String,StringCookies c = new Cookies("name","wency"); resp.addCookies(c);获取:Cookies [] c = req.getCookies();Cookies编码: String info = URLEncode.encode("你好吗?","UTF-8");Cookies解码: URLDecode.decode(info,"UTF-8");格式: Map<key,value>//如果存在,直接获取;不存在则创建再获取HttpSession session = req.getSession();//session中设置会话数据session.setAttribute(key,value);//获取session中的数据session.getAttribute(key);//删除sessuion中的数据session.removeAttribute("key");