Http Cookie的使用

Cookie[] cookies = request.getCookies();
if (cookies != null) {
    for (Cookie cookie : cookies) {
        String name = cookie.getName();
        String value = cookie.getValue();
        // 处理cookie
    }
}

Cookie cookie = new Cookie("cookieName", "cookieValue");
cookie.setMaxAge(3600); // 设置cookie有效期为1小时
response.addCookie(cookie);

        // 创建一个CookieStore
        CookieStore cookieStore = new BasicCookieStore();
        // 创建一个HttpClientContext对象，并将CookieStore设置进去
        HttpClientContext context = HttpClientContext.create();
        context.setCookieStore(cookieStore);

        HttpClient httpClient = HttpClients.custom().setDefaultCookieStore(cookieStore).build();
        HttpPost httpPost = new HttpPost(this.getUseUrl());

        // 执行请求
        HttpResponse userHttpResponse  = httpClient.execute(httpPost, context);
        
        // 获取cookie
        List<Cookie> cookies = cookieStore.getCookies();
        for (Cookie cookie : cookies) {
            log.info("Cookie:{}", cookie.getName() + "=" + cookie.getValue());
            javax.servlet.http.Cookie c = new javax.servlet.http.Cookie(cookie.getName(), cookie.getValue());
            // 单位是秒
            Date date =  cookie.getExpiryDate();
            c.setMaxAge((int) ((System.currentTimeMillis()-date.getTime())/1000));
            c.setDomain(cookie.getDomain());
            c.setPath(cookie.getPath());
            response.addCookie(c);
        }

        HttpEntity<MultiValueMap<String, String>> httpEntity = new HttpEntity<>(map, headers);
        ResponseEntity<String> responseEntity = restTemplate.postForEntity(this.getUseUrl(), httpEntity, String.class);

        List<String> cookieHeaders = responseEntity.getHeaders().get("Set-Cookie");

        List<Cookie> cookies = extractCookies(cookieHeaders);
        cookies.forEach(cookie -> response.addCookie(cookie));

public static List<Cookie> extractCookies(List<String> cookieHeaders) {
        List<Cookie> cookies = new ArrayList<>();

        if (CollectionUtils.isEmpty(cookieHeaders)) {
            return cookies;
        }

        for (String cookieHeader : cookieHeaders) {
            try {
                String[] parts = cookieHeader.split(";\\s*");
                String[] nameValue = parts[0].split("=", 2);
                Cookie cookie = new Cookie(nameValue[0], nameValue[1]);
                for (int i = 1; i < parts.length; i++) {
                    String[] attr = parts[i].split("=", 2);
                    switch (attr[0].trim().toLowerCase()) {
                        case "path":
                            cookie.setPath(attr[1]);
                            break;
                        case "Max-Age":
                            cookie.setMaxAge(Integer.parseInt(attr[1]));
                            break;
                        case "Domain":
                            cookie.setDomain(attr[1]);
                            break;
                    }
                }
            } catch (Exception e) {
                log.error("[orderLogin] convert cookie error cookie String:{}", cookieHeader, e);
            }
        }

        return cookies;
    }

HttpEntity<MultiValueMap<String, String>> httpEntity = new HttpEntity<>(map, headers);
        ResponseEntity<String> responseEntity = restTemplate.postForEntity(this.getUseUrl(), httpEntity, String.class);
responseEntity.getHeaders().forEach((name, values) -> values.forEach(value -> response.addHeader(name, value)));