restTemplate添加header-Toy模板网

这篇具有很好参考价值的文章主要介绍了restTemplate添加header。希望对大家有所帮助。如果存在错误或未考虑完全的地方，请大家不吝赐教，您也可以点击"举报违法"按钮提交疑问。

1、httpClient

public static void main(String[] args) throws Exception {

        HashMap<String, String> hashMap = new HashMap<>();
        hashMap.put("key", "value");
        String body = JSONObject.toJSONString(hashMap);
        post(body);
    }

    /**
     * 发送 post请求
     */
    public static void post(String body) throws Exception {

        // 获得Http客户端
        CloseableHttpClient httpclient = HttpClientBuilder.create().build();

        // 创建httpPost
        HttpPost httppost = new HttpPost("替换连接地址");
        //设置参数体
        httppost.setHeader("Content-Type", "application/json;charset=UTF-8");

        //装填参数
        StringEntity s = new StringEntity(body, "utf-8");

        //设置参数到请求对象中
        httppost.setEntity(s);

        CloseableHttpResponse response = httpclient.execute(httppost);
        try {

            HttpEntity entity = response.getEntity();
            if (entity != null) {
                System.out.println("--------------------------------------");
                System.out.println("Response content: " + EntityUtils.toString(entity, "UTF-8"));
                System.out.println("--------------------------------------");
            }
        } finally {
            response.close();
        }
        try {
            httpclient.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

2、restTemplate
header可以这样添加文章来源地址https://www.toymoban.com/news/detail-535667.html

public static void main(String[] args) throws Exception {

        String url = "替换连接地址";

        // 请求体
        HashMap<String, String> hashMap = new HashMap<>();
        hashMap.put("key", "value");
        String body = JSONObject.toJSONString(hashMap);

        // 请求头
        HttpHeaders headers = new HttpHeaders();
        headers.add("Content-Type", "application/json;charset=UTF-8");
     
        // 请求
        HttpEntity<String> request = new HttpEntity<>(body, headers);

        // 使用RestTemplate请求
        RestTemplate restTemplateHttps = new RestTemplate();
        ResponseEntity<JSONObject> responseBody = restTemplateHttps.postForEntity(url, request, JSONObject.class);

        JSONObject httpBody = responseBody.getBody();
        System.out.println("接口返回参数:" + httpBody);
    }