发送HTTP POST请求

原创已于 2023-06-19 17:53:35 修改 · 313 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#java #http #json

于 2022-07-07 10:18:40 首次发布

博客涉及Java、HTTP和JSON相关信息技术内容，但具体内容缺失。Java是常用后端开发语言，HTTP是网络协议，JSON是数据交换格式，三者在信息技术领域应用广泛。


    /**
     * 发送HTTP请求 application/json
     * @param url 请求地址
     * @param json json请求参数
     * @return HTTP响应
     */
    public static String httpPost(String url, String json) {
        // Http响应结果
        String result = "";
        // 创建HttpClientBuilder
        HttpClientBuilder httpClientBuilder;
        // HttpClient
        CloseableHttpClient closeableHttpClient = null;
        try {
            httpClientBuilder = HttpClientBuilder.create();
            closeableHttpClient = httpClientBuilder.build();
            HttpPost httpPost = new HttpPost(url);
            //  设置请求和传输超时时间
            RequestConfig requestConfig = RequestConfig.custom()
                    .setSocketTimeout(10000)
                    .setConnectTimeout(10000).build();
            httpPost.setConfig(requestConfig);
            httpPost.setHeader("Accept", "application/json");
            httpPost.setHeader("Content-Type", "application/json");
            StringEntity stringEntity = new StringEntity(json,
                    Charset.forName("UTF-8"));
            httpPost.setEntity(stringEntity);
            CloseableHttpResponse response = closeableHttpClient
                    .execute(httpPost);
            HttpEntity httpEntity = response.getEntity();
            if (HttpStatus.SC_OK == response.getStatusLine().getStatusCode()) {
                result = EntityUtils.toString(httpEntity, "UTF-8");
                return result;
            } else {
                result = EntityUtils.toString(httpEntity, "UTF-8");
                return result;
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            // 释放资源
            try {
                closeableHttpClient.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        return result;
    }