Cookie

Cookie

创建cookie

Cookie namecookie = null;   //创建一个cookieCookie passcookie = null;if (request.getParameter("checkbox") == null) { // 不保存密码时namecookie = new Cookie("username", user);  //实例化cookie ，传入名称值对passcookie = new Cookie("password", pass);namecookie.setMaxAge(60*5);//设置cookie的存活时间 time 为 秒passcookie.setMaxAge(60*5);response.addCookie(namecookie);    //存储cookieresponse.addCookie(passcookie);

获取cookie    -------遍历cookie

<%String user ="";String pass ="";Cookie[] cookies = request.getCookies();if (cookies != null) {for (Cookie cookie : cookies) {if (cookie.getName().equals("username")) {user = cookie.getValue();} else if (cookie.getName().equals("password")) {pass = cookie.getValue();}}}%>