取Cookie

// 创建一个本地Cookie存储的实例
BasicCookieStore cookieStore = new BasicCookieStore();
CloseableHttpClient httpClient = HttpClients.custom() .setDefaultCookieStore(cookieStore).build();

// HttpResponse response = null;
CloseableHttpResponse chResponse = null;
chResponse = httpClient.execute(httpGet);
cookies = cookieStore.getCookies();
chResponse.close();