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2023-12-02学习总结

时间：2023-12-03 10:46:40浏览次数：43  
标签：02 12 String import valuesLanguage 2023 put new GBC

百度机器翻译SDK实验

package com.step04;

import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ItemEvent;

public class TranslationGUI {
    private JFrame transFrame;
    private JButton transButton;
    private JTextArea sendText;
    private JTextArea receiveText;
    private JComboBox boxSendLanguage;
    private String sendType="自动检测";
    private JComboBox boxReciveLanguage;
    private String receiveType="汉语";

    private String[] listSendLanguage ={"自动检测","汉语","英语","俄语","日语",
            "韩语","法语","西班牙语","德语"
            ,"意大利语","葡萄牙语","越南语","印尼语"
            ,"马来语","泰语","阿拉伯语","印地语"
            ,"土耳其语","希腊语","匈牙利语"};
    private String[] listReceiveLanguage ={"汉语","英语","俄语","日语",
            "韩语","法语","西班牙语","德语"
            ,"意大利语","葡萄牙语","越南语","印尼语"
            ,"马来语","泰语","阿拉伯语","印地语"
            ,"土耳其语","希腊语","匈牙利语"};
    private JSONObject valuesLanguage = new JSONObject();
    public TranslationGUI() throws JSONException {
        Translatator translatator = new Translatator();
        valuesLanguage.put("自动检测", "auto");
        valuesLanguage.put("汉语", "zh");
        valuesLanguage.put("英语", "en");
        valuesLanguage.put("俄语", "ru");
        valuesLanguage.put("日语", "jp");
        valuesLanguage.put("韩语", "kor");
        valuesLanguage.put("法语", "fra");
        valuesLanguage.put("西班牙语", "spa");
        valuesLanguage.put("德语", "de");
        valuesLanguage.put("意大利语", "it");
        valuesLanguage.put("葡萄牙语", "pt");
        valuesLanguage.put("越南语", "vie");
        valuesLanguage.put("印尼语", "id");
        valuesLanguage.put("马来语", "may");
        valuesLanguage.put("泰语", "th");
        valuesLanguage.put("阿拉伯语", "ara");
        valuesLanguage.put("印地语", "hi");
        valuesLanguage.put("土耳其语", "tr");
        valuesLanguage.put("希腊语", "el");
        valuesLanguage.put("匈牙利语", "hu");

        transFrame = new JFrame("百度翻译mini版");
        transFrame.setSize(800, 400);
        transFrame.setLocationRelativeTo(null);
        transFrame.setResizable(false);//不可缩放
        /**
         * 设置窗口关闭按钮点击后的默认操作, 参考值:
         *     WindowConstants.DO_NOTHING_ON_CLOSE: 不执行任何操作。
         *     WindowConstants.HIDE_ON_CLOSE: 隐藏窗口（不会结束进程）, 再次调用 setVisible(true) 将再次显示。
         *     WindowConstants.DISPOSE_ON_CLOSE: 销毁窗口, 如果所有可显示的窗口都被 DISPOSE, 则可能会自动结束进程。
         *     WindowConstants.EXIT_ON_CLOSE: 退出进程。
         */
        transFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JPanel bodyPanel = new JPanel();
        bodyPanel.setSize(new Dimension(600, 300));

        JPanel sendPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
        sendPanel.setBackground(Color.GRAY);
        sendText = new JTextArea(11,17);
        sendText.setFont(new Font("微软雅黑", Font.PLAIN, 20));
        sendText.setBackground(Color.WHITE);

        sendPanel.add(sendText);

        JPanel transPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
        transPanel.setPreferredSize(new Dimension(100, 100));
        transButton = new JButton("翻译->");
        transButton.setSize(100,20);
        transButton.addActionListener(e -> {
            String request = sendText.getText();
            if(sendType == receiveType){
                JOptionPane.showMessageDialog(null, "无法把"+sendType+"翻译成"+receiveType);
            }else if(request.length() > 0){
                String temp = sendText.getText();
                try {
                    receiveText.setText(translatator.getReceiveText(temp,valuesLanguage.getString(sendType),valuesLanguage.getString(receiveType)));
                } catch (JSONException ex) {
                    JOptionPane.showMessageDialog(null, "翻译出现异常");
                }
            }else{
                JOptionPane.showMessageDialog(null, "请输入要翻译的内容");
            }
        });

        boxSendLanguage = new JComboBox<>(listSendLanguage);
        boxSendLanguage.setSize(30,20);
        boxSendLanguage.addItemListener(e -> {
            if(e.getStateChange() == ItemEvent.SELECTED){
                sendType = (String) e.getItem();
                System.out.println("s:"+sendType);
            }
        });
        boxReciveLanguage = new JComboBox<>(listReceiveLanguage);
        boxReciveLanguage.addItemListener(e -> {
            if(e.getStateChange() == ItemEvent.SELECTED){
                receiveType = (String) e.getItem();
                System.out.println("r:"+receiveType);
            }
        });
        transPanel.add(boxSendLanguage);
        transPanel.add(transButton);
        transPanel.add(boxReciveLanguage);

        JPanel receivePanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
        receivePanel.setBackground(Color.GRAY);
        receiveText = new JTextArea(11,17);
        receiveText.setBackground(Color.WHITE);
        receiveText.setFont(new Font("微软雅黑", Font.PLAIN, 20));

        receiveText.setEditable(false);
        receivePanel.add(receiveText);

        GridBagConstraints GBC = new GridBagConstraints();
        GBC.gridx = 0;
        GBC.gridy = 0;
        GBC.gridwidth = 4;
        GBC.gridheight = 1;
        bodyPanel.add(sendPanel, GBC);

        GBC.gridx = 0;
        GBC.gridy = 0;
        GBC.gridwidth = 1;
        GBC.gridheight = 1;
        bodyPanel.add(transPanel, GBC);

        GBC.gridx = 0;
        GBC.gridy = 0;
        GBC.gridwidth = 4;
        GBC.gridheight = 1;
        bodyPanel.add(receivePanel, GBC);

        transFrame.setContentPane(bodyPanel);
        transFrame.setVisible(true);
    }
    public static void main(String[] args) throws JSONException {
        new TranslationGUI();
    }
}
package com.step04;

import com.google.gson.JsonArray;
import org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class Translatator {
    private String CLIENT_ID = "jnR7w5p8sNrvnatsXE5NrNLX";
    private String API_KEY = "jnR7w5p8sNrvnatsXE5NrNLX";
    private String SECRET_KEY = "aloZ33pgdYR1qnjmOhHvvX54j3C6Rchl";

    public String getAccessToken() {
        try{
            URL url = new URL("https://aip.baidubce.com/oauth/2.0/token?client_id="+API_KEY+"&client_secret="+SECRET_KEY+"&grant_type=client_credentials");
            HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
            httpURLConnection.setRequestMethod("POST");
            httpURLConnection.setRequestProperty("Content-Type", "application/json");
            httpURLConnection.setRequestProperty("Accept", "application/json");
            int responseCode = httpURLConnection.getResponseCode();
            if(responseCode == HttpURLConnection.HTTP_OK){
                System.out.println("responseCode:"+responseCode);
                BufferedReader reader = new BufferedReader(new InputStreamReader(httpURLConnection.getInputStream()));
                String line;
                StringBuilder response = new StringBuilder();
                while ((line = reader.readLine()) != null) {
                    response.append(line);
                }
                reader.close();
                System.out.println("response:"+response.toString());
                JSONObject jsonObject = new JSONObject(response.toString());
                return jsonObject.getString("access_token");
            }else {
                System.out.println("responseCode:" + responseCode);
            }
            httpURLConnection.disconnect();
        }catch (IOException e){
            e.printStackTrace();
        } catch (JSONException e) {
            throw new RuntimeException(e);
        }
        return null;
    }
    public String getResult(String sendText,String sendLanguage,String receiveLanguage) {
        try{
            URL url = new URL("https://aip.baidubce.com/rpc/2.0/mt/texttrans/v1?access_token="+getAccessToken());
            HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
            httpURLConnection.setRequestMethod("POST");
            httpURLConnection.setRequestProperty("Content-Type", "application/json");
            httpURLConnection.setRequestProperty("Accept", "application/json");
            String requestBody = "{\"from\":\""+sendLanguage+"\"," +
                    "\"to\":" + "\"" + receiveLanguage + "\","+
                    "\"q\":"+ "\"" + sendText + "\"}";
            //设置请求体
            System.out.println(requestBody);
            httpURLConnection.setDoOutput(true);
            try(OutputStream outputStream = httpURLConnection.getOutputStream()){
                byte[] input = requestBody.getBytes("UTF-8");
                outputStream.write(input, 0, input.length);
            }
            int responseCode = httpURLConnection.getResponseCode();
            if(responseCode == HttpURLConnection.HTTP_OK){
                BufferedReader reader = new BufferedReader(new InputStreamReader(httpURLConnection.getInputStream()));
                String line;
                StringBuilder response = new StringBuilder();
                while ((line = reader.readLine()) != null) {
                    response.append(line);
                }
                reader.close();

                // 输出响应数据
                return response.toString();
            }
        }catch (IOException e){
            e.printStackTrace();
        }
        return null;
    }
    public String  getReceiveText(String sendText,String sendLanguage,String receiveLanguage) {
        try{
            Translatator translatator = new Translatator();
            JSONObject jsonObject1 = new JSONObject(translatator.getResult(sendText,sendLanguage,receiveLanguage));
            JSONObject jsonObject2 = new JSONObject(jsonObject1.getString("result"));
            System.out.println(jsonObject2.toString());
            JSONArray jsonArray = jsonObject2.getJSONArray("trans_result");
            String dst = jsonArray.getJSONObject(0).getString("dst");
            System.out.println(dst);
            return dst;
        }catch (JSONException e){
            e.printStackTrace();
        }
        return "";
    }
}

本次实验难点在于理解java发起http请求并获取网页返回的数据

标签：02,12,String,import,valuesLanguage,2023,put,new,GBC
From： https://www.cnblogs.com/xxaxf/p/17872665.html

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