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;

/**
 * 簡(jiǎn)單聊天軟件的服務(wù)器
 * */
public class MyServer extends JFrame implements ActionListener{

 JTextArea jTextArea =null;//用來(lái)顯示純文本的單行區(qū)域
 JTextField jTextField=null;//可以允許用來(lái)編輯單行文本
 JButton sendButton=null;
 JPanel jPanel=null;
 JScrollPane jScrollPane =null;
 //把信息發(fā)給客戶端對(duì)象
 PrintWriter printWriter =null;
/**
 * 服務(wù)端的主函數(shù)
 * */
public static void main(String[] args) {
 // TODO Auto-generated method stub
  new MyServer();
}
/**
 * 服務(wù)端的構(gòu)造函數(shù),用來(lái)進(jìn)行初始化
 * */
public MyServer(){
 //這里是對(duì)GUI的初始化
 jTextArea = new JTextArea();
 jTextField= new JTextField(20);
 sendButton= new JButton("發(fā)送");
 sendButton.addActionListener(this);
 sendButton.setActionCommand("send");
 jScrollPane= new JScrollPane(jTextArea);
 jPanel = new JPanel();
 jPanel.add(jTextField);//添加編輯框
 jPanel.add(sendButton);//添加按鈕

 //將兩個(gè)面板添加布局
 this.add(jScrollPane,BorderLayout.CENTER);
 this.add(jPanel,BorderLayout.SOUTH);

 this.setSize(400,300);
 this.setTitle("聊天服務(wù)器");
 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//設(shè)置退出按鈕
 this.setVisible(true);
 this.setResizable(true); 

 //下面是socket服務(wù)器的搭建
 try {
  //服務(wù)器監(jiān)聽
  ServerSocket ss = new ServerSocket(9988);
  //等待客戶端連接
  Socket socket = ss.accept();
  //獲得客戶端發(fā)送過來(lái)的數(shù)據(jù)的流
  BufferedReader br = new BufferedReader
    (new InputStreamReader(socket.getInputStream()));
  printWriter = new PrintWriter(socket.getOutputStream(),true);
  //讀取從客戶端發(fā)送過來(lái)的信息
  while(true){
   String info = br.readLine();
   jTextArea.append("客戶端 "+getTime()+"\r\n"+info+"\r\n");
  }

 } catch (IOException e) {
  // TODO Auto-generated catch block
  e.printStackTrace();
 } }
/**
 * 用來(lái)獲取當(dāng)前的時(shí)間
 * @return 當(dāng)前的時(shí)間
 */
public String getTime(){
 //可以對(duì)每個(gè)單獨(dú)時(shí)間域進(jìn)行修改
 Calendar c = Calendar.getInstance();
 int hour = c.get(Calendar.HOUR_OF_DAY);//獲取小時(shí)
 int minute = c.get(Calendar.MINUTE);
 int second = c.get(Calendar.SECOND);

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

/**
 * 當(dāng)button被點(diǎn)擊的時(shí)候調(diào)用
 */
@Override
public void actionPerformed(ActionEvent e) {
 // TODO Auto-generated method stub
 //當(dāng)按鈕按下的時(shí)候調(diào)用
 if(e.getActionCommand().equals("send")){
  //把服務(wù)器在jTextField寫的內(nèi)容發(fā)送給客戶端
  String info= jTextField.getText();
  jTextArea.append("服務(wù)器 "+getTime()+"\r\n"+info+"\r\n");
  printWriter.println(info);
  //清楚發(fā)送框內(nèi)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;

/**
 * 簡(jiǎn)單聊天軟件的客戶端
 * */
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;

/**
 * 客戶端的主函數(shù)
 * */
public static void main(String[] args) {
 // TODO Auto-generated method stub
  new MyClient();
}
/**
 * 客戶端構(gòu)造函數(shù)用來(lái)初始化
 * */
public MyClient(){
 //GUI初始化
 jTextArea= new JTextArea();
 jTextField=new JTextField(20);
 sendButton= new JButton("發(fā)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("聊天客戶端");
 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 this.setVisible(true);
 this.setResizable(true); 

 //socket通信代碼
  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){
   //不停的讀取服務(wù)器發(fā)過來(lái)的信息
   String string=br.readLine();
   jTextArea.append("服務(wù)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();
 }
}

/**
 * 用來(lái)獲取當(dāng)前的時(shí)間
 * @return 當(dāng)前的時(shí)間
 */
public String getTime(){
 //可以對(duì)每個(gè)單獨(dú)時(shí)間域進(jìn)行修改
 Calendar c = Calendar.getInstance();
 int hour = c.get(Calendar.HOUR_OF_DAY);//獲取小時(shí)
 int minute = c.get(Calendar.MINUTE);
 int second = c.get(Calendar.SECOND);

 return hour+":"+minute+":"+second; 
}
/**
 * 當(dāng)button被點(diǎn)擊的時(shí)候調(diào)用
 */
@Override
public void actionPerformed(ActionEvent e) {
 // TODO Auto-generated method stub
 if(sendButton.getActionCommand().equals("send")){
  String info= jTextField.getText();
  //將客戶端發(fā)送的信息發(fā)送給服務(wù)端
  jTextArea.append("客戶端 "+getTime()+"\r\n"+info+"\r\n");
  printWriter.println(info);
  jTextField.setText("");
  }
 }
}