Java Baidu Translation API는 중국어와 영어 간의 상호 번역을 실현합니다.

<dependency>
    <groupId>org.apache.httpcomponents</groupId>
    <artifactId>httpclient</artifactId>
    <version>4.5.13</version>
</dependency>

<dependency>
    <groupId>org.json</groupId>
    <artifactId>json</artifactId>
    <version>20200518</version>
</dependency>

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

import org.json.JSONArray;
import org.json.JSONObject;

public class Translation {
    private final String url = "http://api.fanyi.baidu.com/api/trans/vip/translate";
    private String appId = "your_app_id";
    private String appKey = "your_app_key";
    
    public String translate(String text, String targetLang) {
        try {
            String encodedText = URLEncoder.encode(text, "UTF-8");
            String fullUrl = url + "?q=" + encodedText + "&from=auto&to=" + targetLang + "&appid=" + appId + "&salt=1&sign=" + generateSign(text);

            URL apiUrl = new URL(fullUrl);
            HttpURLConnection connection = (HttpURLConnection) apiUrl.openConnection();
            connection.setRequestMethod("GET");

            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String inputLine;
            StringBuilder response = new StringBuilder();

            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
            in.close();

            JSONObject jsonResponse = new JSONObject(response.toString());
            JSONArray transResult = jsonResponse.getJSONArray("trans_result");
            JSONObject result = transResult.getJSONObject(0);

            String translatedText = result.getString("dst");
            return translatedText;
        } catch (IOException e) {
            e.printStackTrace();
        }
        return "";
    }
    
    private String generateSign(String text) {
        // 在这里根据百度翻译API的要求，生成签名
        // 可以参考百度翻译API的文档
        return "";
    }
}

public class Main {
    public static void main(String[] args) {
        Translation translation = new Translation();
        
        // 中文翻译为英文
        String text = "你好，世界！";
        String targetLang = "en";
        String translatedText = translation.translate(text, targetLang);
        System.out.println("中文翻译为英文: " + translatedText);
        
        // 英文翻译为中文
        String textToTranslate = "Hello, world!";
        String targetLanguage = "zh";
        String translatedText = translation.translate(textToTranslate, targetLanguage);
        System.out.println("英文翻译为中文: " + translatedText);
    }
}