java tcp server_java中的TCP SERVER代码

package tcpserver;

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import com.borland.jbcl.layout.*;

import java.net.*;

import java.io.*;

/**

*

Title: TCPServer

*

Description:

*

Copyright: Copyright (c) 2006

*

Company:

* @author not attributable

* @version 1.0

*/

public class Frame1 extends JFrame implements Runnable

{

ServerSocket server=null;

Socket socket=null;

BufferedReader in=null;

PrintWriter out=null;

InetAddress myServer=null;

JPanel contentPane;

XYLayout xYLayout1 = new XYLayout();

TextArea textArea1 = new TextArea();

TextField textField1 = new TextField();

Label label1 = new Label();

JButton jButton1 = new JButton();

JButton jButton2 = new JButton();

//Construct the frame

public Frame1() {

enableEvents(AWTEvent.WINDOW_EVENT_MASK);

try {

jbInit();

}

catch(Exception e) {

e.printStackTrace();

}

}

//Component initialization

private void jbInit() throws Exception  {

Thread thread=new Thread(this);

thread.start();

contentPane = (JPanel) this.getContentPane();

contentPane.setLayout(xYLayout1);

this.setSize(new Dimension(400, 300));

this.setTitle("服务器端");

label1.setText("消息：");

textArea1.setText("");

jButton1.setActionCommand("");

jButton1.setText("发送消息");

jButton1.addActionListener(new Frame1_jButton1_actionAdapter(this));

jButton2.setText("退出");

jButton2.addActionListener(new Frame1_jButton2_actionAdapter(this));

textField1.addKeyListener(new Frame1_textField1_keyAdapter(this));

textField1.addActionListener(new Frame1_textField1_actionAdapter(this));

contentPane.add(textField1,  new XYConstraints(78, 222, 274, 32));

contentPane.add(textArea1,   new XYConstraints(3, 1, 395, 214));

contentPane.add(label1,        new XYConstraints(37, 227, 75, 23));

contentPane.add(jButton2,   new XYConstraints(290, 260, -1, -1));

contentPane.add(jButton1, new XYConstraints(38, 259, -1, -1));

}

//Overridden so we can exit when window is closed

protected void processWindowEvent(WindowEvent e) {

super.processWindowEvent(e);

if (e.getID() == WindowEvent.WINDOW_CLOSING) {

System.exit(0);

}

}

public void run()

{

try{

server=new ServerSocket(5438);

socket=server.accept();

in=new BufferedReader(new InputStreamReader(socket.getInputStream()));

out=new PrintWriter(socket.getOutputStream());

if(socket!=null)

{

textArea1.append("system information:client have joined!\n");

jButton1.setEnabled(true);

}

receiver r=new receiver();

Thread t=new  Thread(r);

t.start();

}

catch(Exception e)

{

textArea1.append(e.toString()+"\n");

}

}

private class receiver implements Runnable

{

public void run()

{

String s1=null;

try

{

s1=in.readLine();

while(s1!="client exit!")

{

textArea1.append("client information:"+s1+"\n");

s1=in.readLine();

}

in.close();

out.close();

socket.close();

server.close();

}

catch(Exception e)

{

jButton1.setEnabled(false);

}

}

}

void jButton1_actionPerformed(ActionEvent e) {

try {

out.println(textField1.getText());

out.flush();

textArea1.append("server information:" + textField1.getText() + "\n");

textField1.setText("");

}

catch (Exception ex) {

}

}

void jButton2_actionPerformed(ActionEvent e) {

try{

out.print("server exit!");

out.flush();

}

catch(Exception e2)

{

}

finally{

System.exit(0);

}

}

void textField1_keyPressed(KeyEvent e) {

int j=e.getKeyCode();

if(j==e.VK_ENTER)

{

out.println(textField1.getText());

out.flush();

textArea1.append("server information:"+textField1.getText()+"\n");

textField1.setText("");

}

}

void textField1_actionPerformed(ActionEvent e) {

try {

out.println(textField1.getText());

out.flush();

textArea1.append("server information:" + textField1.getText() + "\n");

textField1.setText("");

}

catch (Exception ex) {

}

}

}

class Frame1_jButton1_actionAdapter implements java.awt.event.ActionListener {

Frame1 adaptee;

Frame1_jButton1_actionAdapter(Frame1 adaptee) {

this.adaptee = adaptee;

}

public void actionPerformed(ActionEvent e) {

adaptee.jButton1_actionPerformed(e);

}

}

class Frame1_jButton2_actionAdapter implements java.awt.event.ActionListener {

Frame1 adaptee;

Frame1_jButton2_actionAdapter(Frame1 adaptee) {

this.adaptee = adaptee;

}

public void actionPerformed(ActionEvent e) {

adaptee.jButton2_actionPerformed(e);

}

}

class Frame1_textField1_keyAdapter extends java.awt.event.KeyAdapter {

Frame1 adaptee;

Frame1_textField1_keyAdapter(Frame1 adaptee) {

this.adaptee = adaptee;

}

public void keyPressed(KeyEvent e) {

adaptee.textField1_keyPressed(e);

}

}

class Frame1_textField1_actionAdapter implements java.awt.event.ActionListener {

Frame1 adaptee;

Frame1_textField1_actionAdapter(Frame1 adaptee) {

this.adaptee = adaptee;

}

public void actionPerformed(ActionEvent e) {

adaptee.textField1_actionPerformed(e);

}

}