JAVA

import java.net.Authenticator;
import java.net.InetSocketAddress;
import java.net.PasswordAuthentication;
import java.net.ProxySelector;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Main {
    public static void main(String[] args) throws Exception {
        // ==================== 代理配置（请替换为您的实际凭证） ====================
        String username = "YOUR_USERNAME";    // 替换为 YumiProxy 仪表板中的 username
        String password = "YOUR_PASSWORD";    // 替换为 YumiProxy 仪表板中的 password
        String host = "proxy.yumiproxy.com";  // 替换为仪表板中的代理服务器地址
        int port = 9091;                      // 替换为仪表板中的端口

        // 创建 HttpClient，配置代理和认证器
        HttpClient client = HttpClient.newBuilder()
            .proxy(ProxySelector.of(new InetSocketAddress(host, port)))
            .authenticator(new Authenticator() {
                @Override
                protected PasswordAuthentication getPasswordAuthentication() {
                    return new PasswordAuthentication(username, password.toCharArray());
                }
            })
            .build();

        // 构造 GET 请求
        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create("https://ipinfo.io/json"))
            .build();

        // 发送同步请求并获取响应字符串
        HttpResponse<String> response = client.send(
            request, HttpResponse.BodyHandlers.ofString());
        System.out.println(response.body());
    }
}