content: package app.itw.cloud.seata.util;
  
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.util.Properties;
  import java.util.concurrent.TimeUnit;
  import org.springframework.http.HttpEntity;
  import org.springframework.http.HttpHeaders;
  import org.springframework.http.HttpMethod;
  import org.springframework.http.MediaType;
  import org.springframework.http.ResponseEntity;
  import org.springframework.util.LinkedMultiValueMap;
  import org.springframework.util.MultiValueMap;
  import org.springframework.util.ResourceUtils;
  import org.springframework.web.client.RestTemplate;
  
  public class HttpPostUtils {
  
    public static void main(String[] args) throws IOException {
      String nacosUrl = "http://192.168.1.151:8848/nacos/v1/cs/configs?";
      String nacosConfigPath = ResourceUtils.getURL("classpath:").getPath()+"/application.properties";
      Properties properties = new Properties();
      // 使用properties对象加载输入流
      properties.load((new FileInputStream(nacosConfigPath)));
      //注册配置
    //  registerNacosConfig(properties, nacosUrl);
    }
  
    /**
     * 注册nacos配置
     */
    public static void registerNacosConfig(Properties properties, String nacosUrl) {
      properties.forEach((k, v) -> {
        final String kk = k.toString();
        final String vv = v.toString();
        try {
          TimeUnit.MILLISECONDS.sleep(300);
          MultiValueMap<String, String> params = new LinkedMultiValueMap<>();
          params.add("dataId", kk);
          params.add("namespace", "public");
          params.add("group", "SEATA_CONFIG_GROUP");
          params.add("content", vv);
          //发送Post数据并返回数据
          String resultVo = sendPostRequest(nacosUrl, params);
        } catch (InterruptedException e) {
          e.printStackTrace();
        }
      });
    }
  
    /**
     * 向目的URL发送post请求
     *
     * @param url 目的url
     * @param params 发送的参数
     * @return ResultVO
     */
    public static String sendPostRequest(String url, MultiValueMap<String, String> params) {
      RestTemplate client = new RestTemplate();
      HttpHeaders headers = new HttpHeaders();
      HttpMethod method = HttpMethod.POST;
      // 以表单的方式提交
      headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
      //将请求头部和参数合成一个请求
      HttpEntity<MultiValueMap<String, String>> requestEntity = new HttpEntity<>(params, headers);
      //执行HTTP请求，将返回的结构使用ResultVO类格式化
      ResponseEntity<String> response = client.exchange(url, method, requestEntity, String.class);
      return response.getBody();
    }
  }
  