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;

  }

}