JAVA调用Google翻译api

Java调用Google翻译api，支持多种语言翻译。

package com.beiming.nonlitigation.businessgateway;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;
import com.qcloud.Utilities.Json.JSONArray;
import lombok.experimental.var;


/**
 * @author GOOGLE翻译
 *
 */
public class Translator {

  private static final Map<String, String> LANGUAGE_MAP = new HashMap();

  static {
    init();
  }

  /**
   * 初始化语言类
   */
  private static void init() {
      LANGUAGE_MAP.put("auto", "Automatic");
      LANGUAGE_MAP.put("af", "Afrikaans");
      LANGUAGE_MAP.put("sq", "Albanian");
      LANGUAGE_MAP.put("am", "Amharic");
      LANGUAGE_MAP.put("ar", "Arabic");
      LANGUAGE_MAP.put("hy", "Armenian");
      LANGUAGE_MAP.put("az", "Azerbaijani");
      LANGUAGE_MAP.put("eu", "Basque");
      LANGUAGE_MAP.put("be", "Belarusian");
      LANGUAGE_MAP.put("bn", "Bengali");
      LANGUAGE_MAP.put("bs", "Bosnian");
      LANGUAGE_MAP.put("bg", "Bulgarian");
      LANGUAGE_MAP.put("ca", "Catalan");
      LANGUAGE_MAP.put("ceb", "Cebuano");
      LANGUAGE_MAP.put("ny", "Chichewa");
      LANGUAGE_MAP.put("zh_cn", "Chinese Simplified");
      LANGUAGE_MAP.put("zh_tw", "Chinese Traditional");
      LANGUAGE_MAP.put("co", "Corsican");
      LANGUAGE_MAP.put("hr", "Croatian");
      LANGUAGE_MAP.put("cs", "Czech");
      LANGUAGE_MAP.put("da", "Danish");
      LANGUAGE_MAP.put("nl", "Dutch");
      LANGUAGE_MAP.put("en", "English");
      LANGUAGE_MAP.put("eo", "Esperanto");
      LANGUAGE_MAP.put("et", "Estonian");
      LANGUAGE_MAP.put("tl", "Filipino");
      LANGUAGE_MAP.put("fi", "Finnish");
      LANGUAGE_MAP.put("fr", "French");
      LANGUAGE_MAP.put("fy", "Frisian");
      LANGUAGE_MAP.put("gl", "Galician");
      LANGUAGE_MAP.put("ka", "Georgian");
      LANGUAGE_MAP.put("de", "German");
      LANGUAGE_MAP.put("el", "Greek");
      LANGUAGE_MAP.put("gu", "Gujarati");
      LANGUAGE_MAP.put("ht", "Haitian Creole");
      LANGUAGE_MAP.put("ha", "Hausa");
      LANGUAGE_MAP.put("haw", "Hawaiian");
      LANGUAGE_MAP.put("iw", "Hebrew");
      LANGUAGE_MAP.put("hi", "Hindi");
      LANGUAGE_MAP.put("hmn", "Hmong");
      LANGUAGE_MAP.put("hu", "Hungarian");
      LANGUAGE_MAP.put("is", "Icelandic");
      LANGUAGE_MAP.put("ig", "Igbo");
      LANGUAGE_MAP.put("id", "Indonesian");
      LANGUAGE_MAP.put("ga", "Irish");
      LANGUAGE_MAP.put("it", "Italian");
      LANGUAGE_MAP.put("ja", "Japanese");
      LANGUAGE_MAP.put("jw", "Javanese");
      LANGUAGE_MAP.put("kn", "Kannada");
      LANGUAGE_MAP.put("kk", "Kazakh");
      LANGUAGE_MAP.put("km", "Khmer");
      LANGUAGE_MAP.put("ko", "Korean");
      LANGUAGE_MAP.put("ku", "Kurdish (Kurmanji)");
      LANGUAGE_MAP.put("ky", "Kyrgyz");
      LANGUAGE_MAP.put("lo", "Lao");
      LANGUAGE_MAP.put("la", "Latin");
      LANGUAGE_MAP.put("lv", "Latvian");
      LANGUAGE_MAP.put("lt", "Lithuanian");
      LANGUAGE_MAP.put("lb", "Luxembourgish");
      LANGUAGE_MAP.put("mk", "Macedonian");
      LANGUAGE_MAP.put("mg", "Malagasy");
      LANGUAGE_MAP.put("ms", "Malay");
      LANGUAGE_MAP.put("ml", "Malayalam");
      LANGUAGE_MAP.put("mt", "Maltese");
      LANGUAGE_MAP.put("mi", "Maori");
      LANGUAGE_MAP.put("mr", "Marathi");
      LANGUAGE_MAP.put("mn", "Mongolian");
      LANGUAGE_MAP.put("my", "Myanmar (Burmese)");
      LANGUAGE_MAP.put("ne", "Nepali");
      LANGUAGE_MAP.put("no", "Norwegian");
      LANGUAGE_MAP.put("ps", "Pashto");
      LANGUAGE_MAP.put("fa", "Persian");
      LANGUAGE_MAP.put("pl", "Polish");
      LANGUAGE_MAP.put("pt", "Portuguese");
      LANGUAGE_MAP.put("ma", "Punjabi");
      LANGUAGE_MAP.put("ro", "Romanian");
      LANGUAGE_MAP.put("ru", "Russian");
      LANGUAGE_MAP.put("sm", "Samoan");
      LANGUAGE_MAP.put("gd", "Scots Gaelic");
      LANGUAGE_MAP.put("sr", "Serbian");
      LANGUAGE_MAP.put("st", "Sesotho");
      LANGUAGE_MAP.put("sn", "Shona");
      LANGUAGE_MAP.put("sd", "Sindhi");
      LANGUAGE_MAP.put("si", "Sinhala");
      LANGUAGE_MAP.put("sk", "Slovak");
      LANGUAGE_MAP.put("sl", "Slovenian");
      LANGUAGE_MAP.put("so", "Somali");
      LANGUAGE_MAP.put("es", "Spanish");
      LANGUAGE_MAP.put("su", "Sundanese");
      LANGUAGE_MAP.put("sw", "Swahili");
      LANGUAGE_MAP.put("sv", "Swedish");
      LANGUAGE_MAP.put("tg", "Tajik");
      LANGUAGE_MAP.put("ta", "Tamil");
      LANGUAGE_MAP.put("te", "Telugu");
      LANGUAGE_MAP.put("th", "Thai");
      LANGUAGE_MAP.put("tr", "Turkish");
      LANGUAGE_MAP.put("uk", "Ukrainian");
      LANGUAGE_MAP.put("ur", "Urdu");
      LANGUAGE_MAP.put("uz", "Uzbek");
      LANGUAGE_MAP.put("vi", "Vietnamese");
      LANGUAGE_MAP.put("cy", "Welsh");
      LANGUAGE_MAP.put("xh", "Xhosa");
      LANGUAGE_MAP.put("yi", "Yiddish");
      LANGUAGE_MAP.put("yo", "Yoruba");
      LANGUAGE_MAP.put("zu", "Zulu");
  }
  public static String translate(String langFrom, String langTo, String word) throws Exception {

      String url = 
              "https://translate.googleapis.com/translate_a/single?" +
              "client=gtx" +
              "&sl=" + langFrom +
              "&tl=" + langTo +
              "&dt=t&q=" + URLEncoder.encode(word, "UTF-8");

      URL obj = new URL(url);
      HttpURLConnection con = (HttpURLConnection) obj.openConnection();
      con.setRequestProperty("User-Agent", "Mozilla/5.0");

      BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
      String inputLine;
      StringBuffer response = new StringBuffer();

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

      return parseResult(response.toString());
  }

  private static String parseResult(String inputJson) throws Exception {

      JSONArray jsonArray = new JSONArray(inputJson);
      JSONArray jsonArray2 = (JSONArray) jsonArray.get(0);
//    JSONArray jsonArray3 = (JSONArray) jsonArray2.get(0);
      String result ="";

      for(var i =0;i < jsonArray2.length();i ++){
          result += ((JSONArray) jsonArray2.get(i)).get(0).toString();
      }

      return result;
  }

  public static void main(String[] args) throws Exception {
    String result = translate("zh-CN", "en","你是个猪吗");
    System.out.println(result);
  }



}

总结

个人不推荐百度翻译，大家都懂的。