[Java知识库]如何指定域名写入token

util

package com.croot.oauth.utils;

import org.apache.commons.lang3.StringUtils;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Cookie基本操作
 *
 * @author zifangsky
 * @date 2018/8/30
 * @since 1.0.0
 */
public class CookieUtils {
    // cookie的有效期默认为30天
    public final static int COOKIE_MAX_AGE = 60 * 60 * 24 * 30;

    /**
     * 添加一个新Cookie
     *
     * @author zifangsky
     * @param response
     *            HttpServletResponse
     * @param cookie
     *            新cookie
     *
     * @return null
     */
    public static void addCookie(HttpServletResponse response, Cookie cookie) {
        if (cookie != null){
            response.addCookie(cookie);
        }
    }

    /**
     * 添加一个新Cookie
     *
     * @author zifangsky
     * @param response
     *            HttpServletResponse
     * @param cookieName
     *            cookie名称
     * @param cookieValue
     *            cookie值
     * @param domain
     *            cookie所属的子域
     * @param httpOnly
     *            是否将cookie设置成HttpOnly
     * @param maxAge
     *            设置cookie的最大生存期
     * @param path
     *            设置cookie路径
     * @param secure
     *            是否只允许HTTPS访问
     *
     * @return null
     */
    public static void addCookie(HttpServletResponse response, String cookieName, String cookieValue, String domain,
                                 boolean httpOnly, int maxAge, String path, boolean secure) {
        if (StringUtils.isNoneBlank(cookieName)) {
            if (cookieValue == null){
                cookieValue = "";
            }

            Cookie newCookie = new Cookie(cookieName, cookieValue);
            if (domain != null){
                newCookie.setDomain(domain);
            }

            newCookie.setHttpOnly(httpOnly);

            if (maxAge > 0){
                newCookie.setMaxAge(maxAge);
            }

            if (path == null){
                newCookie.setPath("/");
            }else{
                newCookie.setPath(path);
            }
            newCookie.setSecure(secure);

            addCookie(response, newCookie);
        }
    }

    /**
     * 添加一个新Cookie
     *
     * @author zifangsky
     * @param response
     *            HttpServletResponse
     * @param cookieName
     *            cookie名称
     * @param cookieValue
     *            cookie值
     * @param domain
     *            cookie所属的子域
     */
    public static void addCookie(HttpServletResponse response, String cookieName, String cookieValue, String domain) {
        addCookie(response, cookieName, cookieValue, domain, false, COOKIE_MAX_AGE, "/", false);
    }

    /**
     * 根据Cookie名获取对应的Cookie
     *
     * @author zifangsky
     * @param request
     *            HttpServletRequest
     * @param cookieName
     *            cookie名称
     *
     * @return 对应cookie，如果不存在则返回null
     */
    public static Cookie getCookie(HttpServletRequest request, String cookieName) {
        Cookie[] cookies = request.getCookies();

        if (cookies == null || cookieName == null || "".equals(cookieName)){
            return null;
        }

        for (Cookie c : cookies) {
            if (c.getName().equals(cookieName)){
                return (Cookie) c;
            }
        }
        return null;
    }

    /**
     * 根据Cookie名获取对应的Cookie值
     *
     * @author zifangsky
     * @param request
     *            HttpServletRequest
     * @param cookieName
     *            cookie名称
     *
     * @return 对应cookie值，如果不存在则返回null
     */
    public static String getCookieValue(HttpServletRequest request, String cookieName) {
        Cookie cookie = getCookie(request, cookieName);
        if (cookie == null){
            return null;
        }else{
            return cookie.getValue();
        }
    }

    /**
     * 删除指定Cookie
     *
     * @author zifangsky
     * @param response
     *            HttpServletResponse
     * @param cookie
     *            待删除cookie
     */
    public static void delCookie(HttpServletResponse response, Cookie cookie) {
        if (cookie != null) {
            cookie.setPath("/");
            cookie.setMaxAge(0);
            cookie.setValue(null);

            response.addCookie(cookie);
        }
    }

    /**
     * 根据cookie名删除指定的cookie
     *
     * @author zifangsky
     * @param request
     *            HttpServletRequest
     * @param response
     *            HttpServletResponse
     * @param cookieName
     *            待删除cookie名
     */
    public static void delCookie(HttpServletRequest request, HttpServletResponse response, String cookieName) {
        Cookie c = getCookie(request, cookieName);
        if (c != null && c.getName().equals(cookieName)) {
            delCookie(response, c);
        }
    }

    /**
     * 根据cookie名修改指定的cookie
     *
     * @author zifangsky
     * @param request
     *            HttpServletRequest
     * @param response
     *            HttpServletResponse
     * @param cookieName
     *            cookie名
     * @param cookieValue
     *            修改之后的cookie值
     * @param domain
     *            修改之后的domain值
     */
    public static void editCookie(HttpServletRequest request, HttpServletResponse response, String cookieName,
                                  String cookieValue,String domain) {
        Cookie c = getCookie(request, cookieName);
        if (c != null && cookieName != null && !"".equals(cookieName) && c.getName().equals(cookieName)) {
            addCookie(response, cookieName, cookieValue, domain);
        }
    }

}

写入cookie

CookieUtils.addCookie(response,“access_token”, authInfoEntity.getAccess_token(),“croot.com”);
删除cookie
cancleCookie(request,response,“access_token”,“croot.com”);