java

package org.example;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import org.json.JSONArray;
import org.json.JSONObject;

public class Main {
    public static void main(String[] args) {
        try {
            // 定义要发送的请求数据
            JSONObject testCase = new JSONObject();
            JSONObject slots = new JSONObject();
            JSONArray poiWaypoint = new JSONArray();

            slots.put("map_name", "高德地图");
            slots.put("transportation", "驾车");
            slots.put("poi_start", "上海市人民广场");
            poiWaypoint.put("外滩");
            poiWaypoint.put("陆家嘴");
            slots.put("poi_waypoint", poiWaypoint);
            slots.put("poi", "上海迪士尼乐园");
            slots.put("start_time", JSONObject.NULL);
            slots.put("arrival_time", JSONObject.NULL);
            slots.put("route_mode", JSONObject.NULL);
            slots.put("need_to_stop_at_destination", JSONObject.NULL);

            testCase.put("requestId", JSONObject.NULL);
            testCase.put("planning_tree", JSONObject.NULL);
            testCase.put("task_description", "导航从上海市人民广场到上海迪士尼乐园，要经过外滩和陆家嘴。");
            testCase.put("slots", slots);

            String urlStr = "http://101.148.38.179:7860/planning_tree_search";

            // 创建URL对象
            URL url = new URL(urlStr);
            // 打开连接
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            // 设置请求方法为 POST
            conn.setRequestMethod("POST");
            // 设置请求头
            conn.setRequestProperty("Content-Type", "application/json; utf-8");
            conn.setRequestProperty("Accept", "application/json");
            conn.setDoOutput(true);

            // 发送请求数据
            try (OutputStream os = conn.getOutputStream()) {
                byte[] input = testCase.toString().getBytes("utf-8");
                os.write(input, 0, input.length);
            }

            // 获取响应代码
            int responseCode = conn.getResponseCode();
            System.out.println("Response Code: " + responseCode);

            // 读取响应数据
            StringBuilder response = new StringBuilder();
            try (BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"))) {
                String responseLine;
                while ((responseLine = br.readLine()) != null) {
                    response.append(responseLine.trim());
                }
            }
            // 输出响应数据
            JSONObject responseJson = new JSONObject(response.toString());
            System.out.println("Response Data: " + responseJson.toString(4));

            System.out.println("你好，世界！");

        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}