Java Baidu Translation API를 통한 중국어와 라트비아어 간의 고급 번역

<dependencies>
    <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpclient</artifactId>
        <version>4.5.6</version>
    </dependency>
    <dependency>
        <groupId>com.google.code.gson</groupId>
        <artifactId>gson</artifactId>
        <version>2.8.5</version>
    </dependency>
</dependencies>

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import com.google.gson.Gson;
import com.google.gson.JsonObject;

public class TranslateUtil {
    private static final String APP_ID = "your_app_id";
    private static final String SECRET_KEY = "your_secret_key";

    public static String translate(String query, String from, String to) {
        try {
            String salt = String.valueOf(System.currentTimeMillis());
            String sign = MD5(APP_ID + query + salt + SECRET_KEY);

            // 组装请求URL
            String url = "http://api.fanyi.baidu.com/api/trans/vip/translate";
            url += "?q=" + URLEncoder.encode(query, "UTF-8");
            url += "&from=" + from;
            url += "&to=" + to;
            url += "&appid=" + APP_ID;
            url += "&salt=" + salt;
            url += "&sign=" + sign;

            // 发送HTTP请求
            HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
            conn.setRequestMethod("GET");

            // 获取翻译结果
            InputStream is = conn.getInputStream();
            BufferedReader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
            StringBuilder sb = new StringBuilder();
            String line;
            while ((line = reader.readLine()) != null) {
                sb.append(line);
            }
            reader.close();
            is.close();

            // 解析JSON结果
            Gson gson = new Gson();
            JsonObject obj = gson.fromJson(sb.toString(), JsonObject.class);
            JsonObject transResult = obj.getAsJsonArray("trans_result").get(0).getAsJsonObject();
            String result = transResult.get("dst").getAsString();
            
            return result;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    private static String MD5(String s) {
        // ...
    }
}

public class Main {
    public static void main(String[] args) {
        String query = "你好";
        String from = "zh";
        String to = "lv";
        String result = TranslateUtil.translate(query, from, to);
        System.out.println(result);
    }
}