cookie实现自动登陆(2)

????????????????????????????+ ":" + validTime + ":" + webKey);

?????????????

??????????????//将要被保存的完整的Cookie值

??????????????String cookieValue = user.getUserName() + ":" + validTime + ":" + cookieValueWithMd5;

?????????????

??????????????//再一次对Cookie的值进行BASE64编码

??????????????String cookieValueBase64 = new String(Base64.encode(cookieValue.getBytes()));

?????????????

??????????????//开始保存Cookie

??????????????Cookie cookie = new Cookie(cookieDomainName, cookieValueBase64);
???????????

cookie.setMaxAge(60 * 60 * 24 * 365 * 2);

//cookie有效路径是网站根目录

??????????????cookie.setPath("/");

??????????????//向客户端写入

??????????????response.addCookie(cookie);

???????}