请求头格式怎么写呀？因为我想访问的是站内各种佬的VoAPI或者NewAPI 
我的代码是这样 
    public static void callApi() {
        try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
            HttpPost post = new HttpPost(API_URL);
            post.setHeader("Authorization", "Bearer " + API_KEY);
            post.setHeader("Content-Type", "application/json");

            // 构建请求体
            String jsonBody = "{\"mod...