java实现自动回复聊天机器人

package com;import com.sun.org.apache.bcel.internal.generic.INSTANCEOF;import java.io.BufferedReader;import java.io.InputStream;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;/** * Created by zf on 2017/2/27. */public class HttpUtil { private static final String API = "xxxxxxxxxxxxxxxxx"; private static String MSG; private static HttpUtil INSTANCE; public static HttpUtil getInstance() {  if (INSTANCE == null) {   INSTANCE = new HttpUtil();  }  return INSTANCE; } private HttpUtil() { } public String sendRequest2API(String msg) {  if (msg.length() > 0) {   this.MSG = msg;   HttpURLConnection connection = null;   StringBuilder response = new StringBuilder();   try {    URL url = new URL(API + MSG);    connection = (HttpURLConnection) url.openConnection();    connection.setRequestMethod("GET");    connection.setConnectTimeout(8000);    connection.setReadTimeout(8000);    InputStream in = connection.getInputStream();    BufferedReader reader = new BufferedReader(new InputStreamReader(in));    String line;    while ((line = reader.readLine()) != null) {     response.append(line);    }   } catch (Exception e) {    e.printStackTrace();   } finally {    if (connection != null) {     connection.disconnect();    }    return response.toString();   }  }  return null; }}

package com;import com.google.gson.Gson;import javax.swing.*;import java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.util.Date;/** * Created by zf on 2017/2/27. */public class MainUI { private JFrame jFrame; private JPanel jPanel; private JButton sendMsgBtn; private JTextArea msgTextArea; private JTextArea historyTextArea; private static String MSG; private static StringBuilder history = new StringBuilder(); public MainUI() {  jFrame = new JFrame("自动聊天");  jPanel = new JPanel();  sendMsgBtn = new JButton("发送");  msgTextArea = new JTextArea("这里发生消息");  historyTextArea = new JTextArea(20,20);  historyTextArea.setBackground(new Color(255, 255, 255));  jPanel.add(historyTextArea);  jPanel.add(msgTextArea);  jPanel.add(sendMsgBtn);  jFrame.add(jPanel);  jFrame.setSize(500, 500);  jFrame.setLocationRelativeTo(null);  jFrame.setVisible(true);  sendMsgBtn.addActionListener(new ActionListener() {   @Override   public void actionPerformed(ActionEvent e) {    MSG = msgTextArea.getText();    history.append("我：" + "/n" + MSG + "/n");    Gson gson = new Gson();    RobotAnswer robotAnswer = gson.fromJson(HttpUtil.getInstance().sendRequest2API(MSG), RobotAnswer.class);    history.append(robotAnswer.getAnswer());    historyTextArea.setText(history.toString());    System.out.println(history);   }  }); } public static void main(String[] args) {  new MainUI(); }}

package com;import java.util.Date;/** * Created by zf on 2017/2/27. */public class RobotAnswer { private int result; private String content; private String answer; public RobotAnswer() { } public String getAnswer() {  if (result == 0) {   answer = "AI：" + "/n" + content;  } else {   answer = ".....";  }  return answer; }}