12.12每日总结

今天继续了昨天未完成的软件案例分析大作业

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import okhttp3.*;
import org.json.JSONArray;
import org.json.JSONObject;
 
import java.io.IOException;
import java.util.Scanner;
 
class Sample {
    public static final String API_KEY = "h1Hn3oHAWMObDjjFGUY9a2sP";
    public static final String SECRET_KEY = "B0cVpGwGb08h8fqochevBsgOFGi6G4oA";
    static final OkHttpClient HTTP_CLIENT = new OkHttpClient().newBuilder().build();
 
    public static void main(String[] args) throws IOException {
        // 获取用户输入的要翻译的文本
        Scanner scanner = new Scanner(System.in);
        System.out.print("请输入要翻译的文本：");
        String textToTranslate = scanner.nextLine();
 
        // 获取用户选择的目标语言
        String targetLanguage = getUserTargetLanguage();
 
        // 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", targetLanguage);  // 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());
        System.out.println("翻译结果：" + 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");
    }
 
    /**
     * 获取用户选择的目标语言
     *
     * @return 目标语言代码
     */
    static String getUserTargetLanguage() {
        Scanner scanner = new Scanner(System.in);
        System.out.print("请选择目标语言（输入 'zh' 翻译为中文，输入 'en' 翻译为英文）：");
        return scanner.nextLine();
    }
}