java Socket简易聊天工具

package qiu;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.print.Printable;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Calendar;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

/**
 * 简单聊天软件的服务器
 * */
public class MyServer extends JFrame implements ActionListener{

 JTextArea jTextArea =null;//用来显示纯文本的单行区域
 JTextField jTextField=null;//可以允许用来编辑单行文本
 JButton sendButton=null;
 JPanel jPanel=null;
 JScrollPane jScrollPane =null;
 //把信息发给客户端对象
 PrintWriter printWriter =null;
/**
 * 服务端的主函数
 * */
public static void main(String[] args) {
 // TODO Auto-generated method stub
  new MyServer();
}
/**
 * 服务端的构造函数,用来进行初始化
 * */
public MyServer(){
 //这里是对GUI的初始化
 jTextArea = new JTextArea();
 jTextField= new JTextField(20);
 sendButton= new JButton("发送");
 sendButton.addActionListener(this);
 sendButton.setActionCommand("send");
 jScrollPane= new JScrollPane(jTextArea);
 jPanel = new JPanel();
 jPanel.add(jTextField);//添加编辑框
 jPanel.add(sendButton);//添加按钮

 //将两个面板添加布局
 this.add(jScrollPane,BorderLayout.CENTER);
 this.add(jPanel,BorderLayout.SOUTH);

 this.setSize(400,300);
 this.setTitle("聊天服务器");
 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//设置退出按钮
 this.setVisible(true);
 this.setResizable(true); 

 //下面是socket服务器的搭建
 try {
  //服务器监听
  ServerSocket ss = new ServerSocket(9988);
  //等待客户端连接
  Socket socket = ss.accept();
  //获得客户端发送过来的数据的流
  BufferedReader br = new BufferedReader
    (new InputStreamReader(socket.getInputStream()));
  printWriter = new PrintWriter(socket.getOutputStream(),true);
  //读取从客户端发送过来的信息
  while(true){
   String info = br.readLine();
   jTextArea.append("客户端 "+getTime()+"\r\n"+info+"\r\n");
  }

 } catch (IOException e) {
  // TODO Auto-generated catch block
  e.printStackTrace();
 } }
/**
 * 用来获取当前的时间
 * @return 当前的时间
 */
public String getTime(){
 //可以对每个单独时间域进行修改
 Calendar c = Calendar.getInstance();
 int hour = c.get(Calendar.HOUR_OF_DAY);//获取小时
 int minute = c.get(Calendar.MINUTE);
 int second = c.get(Calendar.SECOND);

 return hour+":"+minute+":"+second; 
 }

/**
 * 当button被点击的时候调用
 */
@Override
public void actionPerformed(ActionEvent e) {
 // TODO Auto-generated method stub
 //当按钮按下的时候调用
 if(e.getActionCommand().equals("send")){
  //把服务器在jTextField写的内容发送给客户端
  String info= jTextField.getText();
  jTextArea.append("服务器 "+getTime()+"\r\n"+info+"\r\n");
  printWriter.println(info);
  //清楚发送框内容
  jTextField.setText("");

  } 
 }
}

package qiu;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Calendar;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

/**
 * 简单聊天软件的客户端
 * */
public class MyClient extends JFrame implements ActionListener{

 JTextArea jTextArea=null;
 JTextField jTextField=null;
 JPanel jPanel=null;
 JScrollPane jScrollPane=null;
 JButton sendButton=null;
 PrintWriter printWriter=null;

/**
 * 客户端的主函数
 * */
public static void main(String[] args) {
 // TODO Auto-generated method stub
  new MyClient();
}
/**
 * 客户端构造函数用来初始化
 * */
public MyClient(){
 //GUI初始化
 jTextArea= new JTextArea();
 jTextField=new JTextField(20);
 sendButton= new JButton("发送");
 sendButton.addActionListener(this);
 sendButton.setActionCommand("send");
 jScrollPane=new JScrollPane(jTextArea);
 jPanel=new JPanel();

 jPanel.add(jTextField);
 jPanel.add(sendButton);

 this.add(jScrollPane,BorderLayout.CENTER);
 this.add(jPanel,BorderLayout.SOUTH);

 this.setSize(400, 300);
 this.setTitle("聊天客户端");
 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 this.setVisible(true);
 this.setResizable(true); 

 //socket通信代码
  try {
  Socket s= new Socket("127.0.0.1",9988);
  BufferedReader br = new BufferedReader
    (new InputStreamReader(s.getInputStream()));
  printWriter= new PrintWriter(s.getOutputStream(),true);
  while(true){
   //不停的读取服务器发过来的信息
   String string=br.readLine();
   jTextArea.append("服务器 "+getTime()+"\r\n"+string+"\r\n");
   }

 } catch (UnknownHostException e) {
  // TODO Auto-generated catch block
  e.printStackTrace();
 } catch (IOException e) {
  // TODO Auto-generated catch block
  e.printStackTrace();
 }
}

/**
 * 用来获取当前的时间
 * @return 当前的时间
 */
public String getTime(){
 //可以对每个单独时间域进行修改
 Calendar c = Calendar.getInstance();
 int hour = c.get(Calendar.HOUR_OF_DAY);//获取小时
 int minute = c.get(Calendar.MINUTE);
 int second = c.get(Calendar.SECOND);

 return hour+":"+minute+":"+second; 
}
/**
 * 当button被点击的时候调用
 */
@Override
public void actionPerformed(ActionEvent e) {
 // TODO Auto-generated method stub
 if(sendButton.getActionCommand().equals("send")){
  String info= jTextField.getText();
  //将客户端发送的信息发送给服务端
  jTextArea.append("客户端 "+getTime()+"\r\n"+info+"\r\n");
  printWriter.println(info);
  jTextField.setText("");
  }
 }
}