Java:使用get方法在一个字符串中发送get参数

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

public class Main {
    public static void main(String[] args) {
        try {
            // 指定要发送请求的URL地址
            String urlString = "https://example.com/api?param1=" + URLEncoder.encode("value1", "UTF-8") + "&param2=" + URLEncoder.encode("value2", "UTF-8");

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

            // 打开连接
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();

            // 设置请求方法为GET
            connection.setRequestMethod("GET");

            // 设置请求头信息
            connection.setRequestProperty("User-Agent", "Mozilla/5.0");
            connection.setRequestProperty("Accept", "application/json");

            // 建立连接
            connection.connect();

            // 获取响应状态码
            int responseCode = connection.getResponseCode();

            if (responseCode == HttpURLConnection.HTTP_OK) {
                // 获取输入流
                BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
                String line;
                StringBuilder response = new StringBuilder();

                // 读取服务器返回的数据
                while ((line = reader.readLine()) != null) {
                    response.append(line);
                }

                reader.close();

                // 处理服务器返回的数据
                System.out.println(response.toString());
            } else {
                System.out.println("请求失败，响应码：" + responseCode);
            }

            // 断开连接
            connection.disconnect();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}