2024.11.8（周五）

用百度api接口实现翻译

package baidu.com;

import okhttp3.*;
import org.json.JSONObject;

import java.io.*;
import java.util.Scanner;

class Sample {
    public static final String API_KEY = "hq0yYEvT1ujnn7N0oWY6rrSL";
    public static final String SECRET_KEY = "BIKqSqHZqe4D6an2VJeHTgCmaBkhU56J";

    static final OkHttpClient HTTP_CLIENT = new OkHttpClient().newBuilder().build();

    public static void main(String[] args) throws IOException {
        // Use Scanner to get input from the user
        Scanner scanner = new Scanner(System.in);
        System.out.println("请选择翻译方式:");
        System.out.println("1: 英译中");
        System.out.println("2: 中译英");
        int choice = scanner.nextInt();
        scanner.nextLine();  // Consume newline

        // Set translation direction based on user's choice
        String fromLang = "";
        String toLang = "";

        if (choice == 1) {
            fromLang = "en";
            toLang = "zh";
        } else if (choice == 2) {
            fromLang = "zh";
            toLang = "en";
        } else {
            System.out.println("Invalid choice. Defaulting to English to Chinese.");
            fromLang = "en";
            toLang = "zh";
        }

        // Ask the user for the text to translate
        System.out.println("输入内容:");
        String textToTranslate = scanner.nextLine();

        // Prepare request body
        MediaType mediaType = MediaType.parse("application/json");
        String jsonBody = String.format("{\"from\":\"%s\",\"to\":\"%s\",\"q\":\"%s\"}", fromLang, toLang, textToTranslate);
        RequestBody body = RequestBody.create(mediaType, jsonBody);

        // Send translation request
        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();
        Response response = HTTP_CLIENT.newCall(request).execute();

        // Parse and extract the translated text
        String responseBody = response.body().string();
        JSONObject jsonResponse = new JSONObject(responseBody);
        String translatedText = jsonResponse
                .getJSONObject("result")  // Get the "result" object
                .getJSONArray("trans_result")  // Get the "trans_result" array
                .getJSONObject(0)  // Get the first element in the array
                .getString("dst");  // Get the translated text (dst)

        // Print the translated result
        System.out.println("翻译结果: " + translatedText);
    }

    /**
     * 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 {
        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);
        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();
        Response response = HTTP_CLIENT.newCall(request).execute();
        return new JSONObject(response.body().string()).getString("access_token");
    }
}