阳光沙滩博客系统-cookie工具类

主要包括添加cookie

删除cookie

获取token

其他的，同学们根据实际需求去扩展修改吧。

public class CookieUtils {

    //1年
    public static final int default_age = 60 * 60 * 24 * 365;

    public static final String domain = "localhost";

    /**
     * 设置cookie值
     *
     * @param response
     * @param key
     * @param value
     */
    public static void setUpCookie(HttpServletResponse response, String key, String value) {
        setUpCookie(response, key, value, default_age);
    }

    public static void setUpCookie(HttpServletResponse response, String key, String value, int age) {
        Cookie cookie = new Cookie(key, value);
        cookie.setPath("/");
        cookie.setDomain(domain);
        cookie.setMaxAge(age);
        response.addCookie(cookie);
    }

    /**
     * 删除cookie
     *
     * @param response
     * @param key
     */
    public static void deleteCookie(HttpServletResponse response, String key) {
        setUpCookie(response, key, null, 0);
    }

    /**
     * 获取cookie
     *
     * @param request
     * @param key
     * @return
     */
    public static String getCookie(HttpServletRequest request, String key) {
        Cookie[] cookies = request.getCookies();
        for (Cookie cookie : cookies) {
            if (key.equals(cookie.getName())) {
                return cookie.getValue();
            }
        }
        return null;
    }
}