CookieUtil工具类get、set方法

/** cookie 工具类
 * @Author:Lisongfeng
 * @Description
 * @Date: create by 17:42 2018/2/25
 * @Modified by
 */
public class CookieUtil {

    public static void set(HttpServletResponse response, String name ,String value, int maxAge) {

        Cookie cookie = new Cookie(name,value);
        cookie.setPath("/");
        cookie.setMaxAge(maxAge);
        response.addCookie(cookie);
    }

    /** 获取cookie
     * @Author:Lisongfeng
     * @Description
     * @Date: 19:12 2018/2/25
     */
    public static Cookie get(HttpServletRequest request, String name) {
        Map<String, Cookie> cookieMap = readCookieMap(request);
        if (cookieMap.containsKey(name)) {
            return cookieMap.get(name);
        } else {
            return null;
        }
    }

    /** 将cookie封装成map
     * @Author:Lisongfeng
     * @Description
     * @Date: 19:12 2018/2/25
     */

    public static Map<String, Cookie> readCookieMap(HttpServletRequest request) {

        Map<String, Cookie> cookieMap = new HashMap<>();
        Cookie[] cookies = request.getCookies();
        if (cookies != null) {
            for (Cookie cookie : cookies) {
                cookieMap.put(cookie.getName(),cookie);
            }
        }
        return cookieMap;
    }
}