有道翻译API

以下是英语转汉语一个main方法

import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.*;

/**
 * desc:  

 * date: 2019/07/18
 *
 * @author wzf
 */
public class FanyiV3DemoInternalTest {
    private static Logger logger = LoggerFactory.getLogger(FanyiV3DemoInternalTest.class);

    private static final String YOUDAO_URL = "http://openapi.youdao.com/api";

    private static final String APP_KEY = "YOUR_APP_KEY";

    private static final String APP_SECRET = "YOUR_APP_SECRET";

    public static void main(String[] args) throws IOException {

        Map params = new HashMap();
        String q = "test";
        String salt = String.valueOf(System.currentTimeMillis());
        params.put("from", "EN");
        params.put("to", "zh-CHS");
        params.put("signType", "v3");
        String curtime = String.valueOf(System.currentTimeMillis() / 1000);
        params.put("curtime", curtime);
        String signStr = APP_KEY + truncate(q) + salt + curtime + APP_SECRET;
        String sign = getDigest(signStr);
        params.put("appKey", APP_KEY);
        params.put("q", q);
        params.put("salt", salt);
        params.put("sign", sign);
        /** 处理结果 */
        requestForHttp(YOUDAO_URL,params);
    }

    public static void requestForHttp(String url,Map params) throws IOException {

        /** 创建HttpClient */
        CloseableHttpClient httpClient = HttpClients.createDefault();

        /** httpPost */
        HttpPost httpPost = new HttpPost(url);
        List paramsList = new ArrayList();
        Iterator> it = params.entrySet().iterator();
        while(it.hasNext()){
            Map.Entry en = it.next();
            String key = en.getKey();
            String value = en.getValue();
            paramsList.add(new BasicNameValuePair(key,value));
        }
        httpPost.setEntity(new UrlEncodedFormEntity(paramsList,"UTF-8"));
        System.out.println("url:"+url);
        paramsList.forEach(val -> {
            System.out.println("name:"+val.getName()+",value:"+val.getValue());
        });
        /*CloseableHttpResponse httpResponse = httpClient.execute(httpPost);
        try{
            Header[] contentType = httpResponse.getHeaders("Content-Type");
            logger.info("Content-Type:" + contentType[0].getValue());
            HttpEntity httpEntity = httpResponse.getEntity();
            String json = EntityUtils.toString(httpEntity,"UTF-8");
            EntityUtils.consume(httpEntity);
            logger.info(json);
            System.out.println(json);
        }finally {
            try{
                if(httpResponse!=null){
                    httpResponse.close();
                }
            }catch(IOException e){
                logger.info("## release resouce error ##" + e);
            }
        }*/
    }

    /**
     * 生成加密字段
     */
    public static String getDigest(String string) {
        if (string == null) {
            return null;
        }
        char hexDigits[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
        byte[] btInput = string.getBytes();
        try {
            MessageDigest mdInst = MessageDigest.getInstance("SHA-256");
            mdInst.update(btInput);
            byte[] md = mdInst.digest();
            int j = md.length;
            char str[] = new char[j * 2];
            int k = 0;
            for (byte byte0 : md) {
                str[k++] = hexDigits[byte0 >>> 4 & 0xf];
                str[k++] = hexDigits[byte0 & 0xf];
            }
            return new String(str);
        } catch (NoSuchAlgorithmException e) {
            return null;
        }
    }

    /**
     *
     * @param result 音频字节流
     * @param file 存储路径
     */
    private static void byte2File(byte[] result, String file) {
        File audioFile = new File(file);
        FileOutputStream fos = null;
        try{
            fos = new FileOutputStream(audioFile);
            fos.write(result);

        }catch (Exception e){
            logger.info(e.toString());
        }finally {
            if(fos != null){
                try {
                    fos.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

    }

    public static String truncate(String q) {
        if (q == null) {
            return null;
        }
        int len = q.length();
        String result;
        return len <= 20 ? q : (q.substring(0, 10) + len + q.substring(len - 10, len));
    }
}