12.6

百度翻译

package Translate;
import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
import okhttp3.;

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

import java.io.IOException;

public class TranslateApp extends Application {
public static final String API_KEY = "MP8dIFzyozC82HXQqcaXeT8v";
public static final String SECRET_KEY = "6kaFGVdRGbO4Tw1c4B5TacbzGua5CilY";
static final OkHttpClient HTTP_CLIENT = new OkHttpClient().newBuilder().build();

public static void main(String[] args) {
    launch(args);
}

@Override
public void start(Stage primaryStage) {
    primaryStage.setTitle("中英互译");

    // 创建输入文本框和按钮
    Label inputLabel = new Label("输入文本:");
    TextField inputTextField = new TextField();
    Button translateButton = new Button("翻译");

    // 创建目标语言选择下拉框
    ComboBox<String> languageComboBox = new ComboBox<>();
    languageComboBox.getItems().addAll("英译中", "中译英");
    languageComboBox.setValue("中译英");

    // 创建显示翻译结果的标签
    Label translationLabel = new Label();

    // 设置按钮点击事件
    translateButton.setOnAction(e -> {
        try {
            String textToTranslate = inputTextField.getText();
            String targetLanguage = languageComboBox.getValue();
            String languageCode = "";
            if (targetLanguage.equals("英译中")) {
                languageCode = "zh";
            } else if (targetLanguage.equals("中译英")) {
                languageCode = "en";
            }

            String translatedText = translateText(textToTranslate, languageCode);
            translationLabel.setText("翻译结果：" + translatedText);
        } catch (IOException ex) {
            translationLabel.setText("翻译出错");
        }
    });

    // 创建布局并设置组件间的间距和边距
    VBox vbox = new VBox(10);
    vbox.setPadding(new Insets(10, 10, 10, 10));
    vbox.getChildren().addAll(inputLabel,inputTextField, languageComboBox, translateButton, translationLabel);

    // 创建场景并显示窗口
    Scene scene = new Scene(vbox, 500, 300);
    primaryStage.setScene(scene);
    primaryStage.show();
}

/**
 * 调用百度翻译API进行文本翻译
 *
 * @param textToTranslate 要翻译的文本
 * @param languageCode  目标语言代码
 * @return 翻译结果
 * @throws IOException IO异常
 */
static String translateText(String textToTranslate, String languageCode) throws IOException {
    // 构建请求体的 JSON 对象
    JSONObject requestBodyJson = new JSONObject();
    requestBodyJson.put("from", "auto");  // 源语言自动检测
    requestBodyJson.put("to", languageCode);  // 目标语言根据用户选择
    requestBodyJson.put("q", textToTranslate);  // 添加要翻译的文本

    // 创建请求体
    MediaType mediaType = MediaType.parse("application/json");
    RequestBody body = RequestBody.create(mediaType, requestBodyJson.toString());

    // 创建HTTP请求
    Request request = new Request.Builder()
            .url("https://aip.baidubce.com/rpc/2.0/mt/texttrans/v1?access_token=" + getAccessToken())
            .method("POST", body)
            .addHeader("Content-Type", "application/json")
            .addHeader("Accept", "application/json")
            .build();

    // 发起请求并获取响应
    Response response = HTTP_CLIENT.newCall(request).execute();

    // 解析翻译结果
    String translatedText = parseTranslationResult(response.body().string());
    return translatedText;
}

/**
 * 解析翻译结果
 *
 * @param responseBody 响应体字符串
 * @return 翻译结果
 */
static String parseTranslationResult(String responseBody) {
    JSONObject responseJson = new JSONObject(responseBody);
    JSONArray transResultArray = responseJson.getJSONObject("result").getJSONArray("trans_result");

    // 假设只翻译一段文本，取第一个翻译结果
    if (transResultArray.length() > 0) {
        return transResultArray.getJSONObject(0).getString("dst");
    } else {
        return "未能获取翻译结果";
    }
}

/**
 * 从用户的AK，SK生成鉴权签名（Access Token）
 *
 * @return 鉴权签名（Access Token）
 * @throws IOException IO异常
 */
static String getAccessToken() throws IOException {
    // 创建请求体
    MediaType mediaType = MediaType.parse("application/x-www-form-urlencoded");
    RequestBody body = RequestBody.create(mediaType, "grant_type=client_credentials&client_id=" + API_KEY
            + "&client_secret=" + SECRET_KEY);

    // 创建HTTP请求
    Request request = new Request.Builder()
            .url("https://aip.baidubce.com/oauth/2.0/token")
            .method("POST", body)
            .addHeader("Content-Type", "application/x-www-form-urlencoded")
            .build();

    // 发起请求并获取响应，解析JSON获取Access Token
    Response response = HTTP_CLIENT.newCall(request).execute();
    return new JSONObject(response.body().string()).getString("access_token");
}

}