使用RequestBuilder和HttpUriRequest发送授权的post请求

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

public class AuthenticatedPostRequestExample {
    public static void main(String[] args) {
        // 创建HttpClient对象
        CloseableHttpClient httpClient = HttpClients.createDefault();

        // 创建HttpPost对象，并设置请求URL
        HttpPost httpPost = new HttpPost("https://example.com/api/endpoint");

        // 设置请求体
        StringEntity requestEntity = new StringEntity("request body");
        httpPost.setEntity(requestEntity);

        // 设置授权信息
        CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
        credentialsProvider.setCredentials(AuthScope.ANY,
                new UsernamePasswordCredentials("username", "password"));
        httpClient = HttpClients.custom().setDefaultCredentialsProvider(credentialsProvider).build();

        try {
            // 发送请求并获取响应
            HttpResponse response = httpClient.execute(httpPost);

            // 处理响应
            HttpEntity responseEntity = response.getEntity();
            String responseBody = EntityUtils.toString(responseEntity);
            System.out.println("Response: " + responseBody);

            // 关闭HttpClient
            httpClient.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}