具体实现内容长这个样子:
下面开始具体的内容准备:
要调用有道词典的API，必须先申请API
进入网址(/?keyfrom=old-openapi)
先登录注册再说！
创建应用，创建实例，将实例绑定到应用上
完成后，在我的应用里点进去，获得应用ID,和应用密钥
ok了，准备已经做好了，现在写代码（项目具体目录，如下，没有jar包的自己去下载就好了）
ok，代码如下，将你申请的应用ID和应用密钥替换就可以使用了！
package exec;import com.alibaba.fastjson.JSONArray;import com.alibaba.fastjson.JSONObject;import org.apache.http.HttpEntity;import org.apache.http.NameValuePair;import org.apache.http.client.entity.UrlEncodedFormEntity;import org.apache.http.client.methods.CloseableHttpResponse;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.apache.http.util.EntityUtils;import javax.swing.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.io.IOException;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;import java.util.*;public class SearchWord extends JFrame {private JPanel contentPane;private JButton search;private JTextField word;private JTextArea meaning;public SearchWord(){this.setTitle("单词查询");//设置标题this.setSize(420, 240); //设置窗口大小this.setLocationRelativeTo(null);//居中显示this.contentPane = new JPanel();//初始化面板this.contentPane.setLayout(null);//设置布局NULLword = new JTextField(20);//设置查询框search = new JButton("查询");//查询按钮meaning = new JTextArea(20, 4);//单词意思显示word.setBounds(60, 20, 180, 28);search.setBounds(260, 20, 80, 28);meaning.setBounds(60, 80, 280, 100);this.contentPane.add(word);this.contentPane.add(search);this.contentPane.add(meaning);this.add(this.contentPane);search.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {String result = HttpRequest.searchWord(word.getText());JSONObject jsonObject = JSONObject.parseObject(result);JSONArray jsonArray = JSONArray.parseArray(jsonObject.get("web").toString());String content = "";for (int i = 0; i < jsonArray.size(); i++){JSONObject json = jsonArray.getJSONObject(i);content += json.get("value").toString() + "\r\n";}meaning.setText(content);}});this.setVisible(true);//设置可见this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);//设置关闭}public static void main(String[] args) {new SearchWord();}}class HttpRequest{private static final String YOUDAO_URL = "/api";private static final String APP_KEY = "你自己的应用ID";private static final String APP_SECRET = "你自己的应用密钥";public static String searchWord(String word){Map<String,String> params = new HashMap<String,String>();String q = word;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 */try {return requestForHttp(YOUDAO_URL,params);}catch (Exception e){e.printStackTrace();}return null;}public static String requestForHttp(String url,Map<String,String> params) throws IOException {/** 创建HttpClient */CloseableHttpClient httpClient = HttpClients.createDefault();/** httpPost */HttpPost httpPost = new HttpPost(url);List<NameValuePair> paramsList = new ArrayList<NameValuePair>();Iterator<Map.Entry<String,String>> it = params.entrySet().iterator();while(it.hasNext()){Map.Entry<String,String> en = it.next();String key = en.getKey();String value = en.getValue();paramsList.add(new BasicNameValuePair(key,value));}httpPost.setEntity(new UrlEncodedFormEntity(paramsList,"UTF-8"));CloseableHttpResponse httpResponse = httpClient.execute(httpPost);try{HttpEntity httpEntity = httpResponse.getEntity();String json = EntityUtils.toString(httpEntity,"UTF-8");EntityUtils.consume(httpEntity);return json;}finally {try{if(httpResponse!=null){httpResponse.close();}}catch(IOException e){e.printStackTrace();}}}/*** 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;}}public static String truncate(String q) {if (q == null) {return null;}int len = q.length();return len <= 20 ? q : (q.substring(0, 10) + len + q.substring(len - 10, len));}}
