Action

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


/**
 * @Description
 * @Date 2024/8/21 16:14
 * @Version
 */
public class Test1 {


    public static void action(String urlString, String param, String expectedValue) {
        try {
            // 创建 URL 对象
            HttpURLConnection connection = getHttpURLConnection(urlString);

            // 创建 URL 编码的查询参数
            StringBuilder params = new StringBuilder();
            params.append("plainCode=").append(param).append("&");
            params.append("secretCode=");

            // 发送请求参数
            try (OutputStream os = connection.getOutputStream()) {
                os.write(params.toString().getBytes());
                os.flush();
            }
            // 获取响应
            StringBuilder response = new StringBuilder();
            try (BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()))) {
                String line;
                while ((line = br.readLine()) != null) {
                    response.append(line);
                }
            }
            // 验证返回的文本
            if (response.toString().contains(expectedValue)) {
                System.out.println("Validation passed: Response contains the expected value." + param);
            } else {
                System.out.println(param);
            }

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

    private static HttpURLConnection getHttpURLConnection(String urlString) throws IOException {
        URL url = new URL(urlString);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();

        // 设置请求方法和头部
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        connection.setRequestProperty("Cookie", ""); // 添加 Cookie 头部
        connection.setDoOutput(true);
        return connection;
    }


    public static void main(String[] args) throws InterruptedException {
        action("url", "388001420951143723", "最终想验证的值");
    }


}