1. import java.io.UnsupportedEncodingException;
    2. import java.net.URLDecoder;
    3. import java.util.ArrayList;
    4. import java.util.List;
    5. import javax.servlet.http.Cookie;
    6. import javax.servlet.http.HttpServletRequest;
    7. import javax.servlet.http.HttpServletResponse;
    8. import org.springframework.web.context.request.RequestContextHolder;
    9. import org.springframework.web.context.request.ServletRequestAttributes;
    11. public class CookieUtils {
    13.     /**
    14.      * 删除Cookie
    15.      * @param cookieName
    16.      */
    17.     public static void deleteCookie(String cookieName) {
    18.         HttpServletResponse response = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getResponse();
    20.         Cookie deleteCookie = new Cookie(cookieName, "");
    21.         deleteCookie.setPath("/");
    22.         deleteCookie.setMaxAge(0);
    23.         deleteCookie.setDomain("javaex.com");
    24.         response.addCookie(deleteCookie);
    25.     }
    27.     /**
    28.      * 删除Cookie
    29.      * @param token
    30.      * @param response
    31.      */
    32.     public static void deleteCookie(String cookieName, HttpServletResponse response) {
    33.         Cookie deleteCookie = new Cookie(cookieName, "");
    34.         deleteCookie.setPath("/");
    35.         deleteCookie.setMaxAge(0);
    36.         deleteCookie.setDomain("javaex.com");
    37.         response.addCookie(deleteCookie);
    38.     }
    40.     /**
    41.      * 设置Cookie
    42.      * @param cookieName
    43.      * @param token
    44.      */
    45.     public static void setCookie(String cookieName, String token) {
    46.         HttpServletResponse response = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getResponse();
    48.         Cookie addCookie = new Cookie(cookieName, token);
    49.         addCookie.setMaxAge(1 * 24 * 60 * 60);
    50.         addCookie.setPath("/");
    51.         addCookie.setDomain("javaex.com");
    52.         response.addCookie(addCookie);
    53.     }
    55.     /**
    56.      * 获取Cookie
    57.      * @param cookieName
    58.      * @return
    59.      */
    60.     public static String getCookie(String cookieName) {
    61.         HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
    62.         HttpServletResponse response = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getResponse();
    64.         Cookie[] cookieArr = request.getCookies();
    65.         if (cookieArr!=null && cookieArr.length>0) {
    66.             for (int i=0; i<cookieArr.length; i++) {
    67.                 Cookie cookie = cookieArr[i];
    68.                 if (cookie.getName().equals(cookieName)) {
    69.                     try {
    70.                         return URLDecoder.decode(cookie.getValue(), "UTF-8");
    71.                     } catch (UnsupportedEncodingException e) {
    72.                         deleteCookie(cookieName, response);
    73.                         break;
    74.                     }
    75.                 }
    76.             }
    77.         }
    79.         return "";
    80.     }
    82.     /**
    83.      * 获取Cookie
    84.      * @return
    85.      */
    86.     public static List<String> getCookieList() {
    87.         List<String> cookieList = new ArrayList<>();
    89.         HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
    91.         Cookie[] cookies = request.getCookies();
    92.         if (cookies == null || cookies.length == 0) {
    93.             return cookieList;
    94.         }
    96.         for (Cookie cookie : cookies) {
    97.             cookieList.add(cookie.getName() + "=" + cookie.getValue());
    98.         }
    100.         return cookieList;
    101.     }
    102. }