带有HttpUrlConnection主体身份验证的Java Eclipse请求

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;
+ 其他所需的类

URL url = new URL("http://example.com/api/endpoint");

HttpURLConnection connection = (HttpURLConnection) url.openConnection();

connection.setRequestMethod("POST");

String username = "your_username";
String password = "your_password";
String credentials = username + ":" + password;
String encodedCredentials = Base64.getEncoder().encodeToString(credentials.getBytes(StandardCharsets.UTF_8));
connection.setRequestProperty("Authorization", "Basic " + encodedCredentials);

int responseCode = connection.getResponseCode();
if (responseCode == HttpURLConnection.HTTP_OK) {
    BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
    String line;
    StringBuilder response = new StringBuilder();
    while ((line = reader.readLine()) != null) {
        response.append(line);
    }
    reader.close();
    System.out.println(response.toString());
} else {
    System.out.println("请求失败，响应码：" + responseCode);
}