腾讯云API网关与Java对接：如何实现安全、高效的API调用？

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class APIGatewayDemo {
    public static void main(String[] args) {
        try {
            // 设置API网关的请求路径
            String apiUrl = "https://api-gateway-demo.example.com/api";

            // 创建URL对象
            URL url = new URL(apiUrl);

            // 创建HttpURLConnection对象
            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");

            // 设置请求体
            String requestBody = "{"param1":"value1", "param2":"value2"}";
            conn.setDoOutput(true);
            OutputStream os = conn.getOutputStream();
            os.write(requestBody.getBytes("UTF-8"));
            os.flush();
            os.close();

            // 获取响应结果
            int responseCode = conn.getResponseCode();
            BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String inputLine;
            StringBuilder response = new StringBuilder();
            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
            in.close();

            // 打印响应结果
            System.out.println("Response Code: " + responseCode);
            System.out.println("Response Body: " + response.toString());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}