这个小程序写到这里,应该发完信息后别的客户端可以看见,但是就是看不见,也查不出来哪错了,大家能帮下忙吗?谢谢
//////////////////////////////////////////////客户端//////////////////////////////////////////////////
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.util.*;public class ChatClient extends Frame { TextField tf = new TextField();
TextArea ta = new TextArea();
Socket s = null;
DataOutputStream dos = null;
DataInputStream dis = null;
private boolean bool1 = false; public static void main(String[] args) { new ChatClient().launchFrame();
} public void launchFrame() { this.setSize(300, 300);
this.setLocation(400, 300);
this.add(ta, BorderLayout.NORTH);
this.add(tf, BorderLayout.SOUTH);
pack();
this.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent arg0) {
System.exit(0);
}
});// 匿名类,摁右上角关闭窗口功能;
tf.addActionListener(new TFListener());
this.setVisible(true);
connect();// 调用connect();
new Thread(new Get()).start();
} public void connect() { try {
s = new Socket("127.0.0.1", 8888);
System.out.println("I am connecting to the server...");
dos = new DataOutputStream(s.getOutputStream());
dis = new DataInputStream(s.getInputStream());
bool1 = true;
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public void disconnect() {
try {
dos.close();
dis.close();
s.close();
} catch (IOException e) {
e.printStackTrace();
}
}
private class Get implements Runnable {
public void run() {
try {
while(bool1) {
String str = dis.readUTF();
ta.setText(str);
}
} catch (IOException e) {
e.printStackTrace();
}
}
} private class TFListener implements ActionListener { public void actionPerformed(ActionEvent arg0) { String str = tf.getText();
ta.setText(str);
tf.setText("");
try {
dos.writeUTF(str);
dos.flush();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////服务端///////////////////////////////////////////////////
import java.net.*;
import java.io.*;
import java.util.*;public class ChatServer { List<Client>clients = new ArrayList<Client>();
public static void main(String[] args) {
new ChatServer().started();
}
public void started() {
boolean started1 = false;
ServerSocket ss = null;
Socket s = null;
try {
ss = new ServerSocket(8888);
} catch(BindException e) {
System.out.println("The port has been in used,try another...");
System.exit(0);
} catch(Exception e) {
e.printStackTrace();
}
try{
started1 = true;//建立连接后started1变为true;
while(started1) {
s = ss.accept();
Client c = new Client(s);
System.out.println("A client is connecting to me...");
new Thread(c).start();
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
ss.close();
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
public class Client implements Runnable {
private Socket s;
private DataInputStream dis;
private DataOutputStream dos;
private boolean started2 = false;
Client(Socket s) {
this.s = s;
started2 = true;
try {
dis = new DataInputStream(s.getInputStream());
dos = new DataOutputStream(s.getOutputStream());
} catch (IOException e) {
e.printStackTrace();
}
}
public void send(String str) {
try {
dos.writeUTF(str);
dos.flush();
} catch (IOException e) {
e.printStackTrace();
}
} public void run() {
try {
while(started2) {
String str;
str = dis.readUTF();
System.out.println(str);
for(int i = 0; i < clients.size(); i++) {
Client c = clients.get(i);
c.send(str);
}
/*for(Iterator<Client>it = clients.iterator(); it.hasNext();) {
Client c = it.next();
c.send(str);
}*/
/*Iterator<Client>it = clients.iterator();
while(it.hasNext()) {
Client c = it.next();
c.send(str);
}*/
}
} catch (IOException e) {
System.out.println("A client has been out...");
} finally {
try {
if(dis != null) dis.close();
if(dos != null) dos.close();
if(s != null) s.close();
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
}
}
//////////////////////////////////////////////客户端//////////////////////////////////////////////////
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.util.*;public class ChatClient extends Frame { TextField tf = new TextField();
TextArea ta = new TextArea();
Socket s = null;
DataOutputStream dos = null;
DataInputStream dis = null;
private boolean bool1 = false; public static void main(String[] args) { new ChatClient().launchFrame();
} public void launchFrame() { this.setSize(300, 300);
this.setLocation(400, 300);
this.add(ta, BorderLayout.NORTH);
this.add(tf, BorderLayout.SOUTH);
pack();
this.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent arg0) {
System.exit(0);
}
});// 匿名类,摁右上角关闭窗口功能;
tf.addActionListener(new TFListener());
this.setVisible(true);
connect();// 调用connect();
new Thread(new Get()).start();
} public void connect() { try {
s = new Socket("127.0.0.1", 8888);
System.out.println("I am connecting to the server...");
dos = new DataOutputStream(s.getOutputStream());
dis = new DataInputStream(s.getInputStream());
bool1 = true;
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public void disconnect() {
try {
dos.close();
dis.close();
s.close();
} catch (IOException e) {
e.printStackTrace();
}
}
private class Get implements Runnable {
public void run() {
try {
while(bool1) {
String str = dis.readUTF();
ta.setText(str);
}
} catch (IOException e) {
e.printStackTrace();
}
}
} private class TFListener implements ActionListener { public void actionPerformed(ActionEvent arg0) { String str = tf.getText();
ta.setText(str);
tf.setText("");
try {
dos.writeUTF(str);
dos.flush();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////服务端///////////////////////////////////////////////////
import java.net.*;
import java.io.*;
import java.util.*;public class ChatServer { List<Client>clients = new ArrayList<Client>();
public static void main(String[] args) {
new ChatServer().started();
}
public void started() {
boolean started1 = false;
ServerSocket ss = null;
Socket s = null;
try {
ss = new ServerSocket(8888);
} catch(BindException e) {
System.out.println("The port has been in used,try another...");
System.exit(0);
} catch(Exception e) {
e.printStackTrace();
}
try{
started1 = true;//建立连接后started1变为true;
while(started1) {
s = ss.accept();
Client c = new Client(s);
System.out.println("A client is connecting to me...");
new Thread(c).start();
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
ss.close();
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
public class Client implements Runnable {
private Socket s;
private DataInputStream dis;
private DataOutputStream dos;
private boolean started2 = false;
Client(Socket s) {
this.s = s;
started2 = true;
try {
dis = new DataInputStream(s.getInputStream());
dos = new DataOutputStream(s.getOutputStream());
} catch (IOException e) {
e.printStackTrace();
}
}
public void send(String str) {
try {
dos.writeUTF(str);
dos.flush();
} catch (IOException e) {
e.printStackTrace();
}
} public void run() {
try {
while(started2) {
String str;
str = dis.readUTF();
System.out.println(str);
for(int i = 0; i < clients.size(); i++) {
Client c = clients.get(i);
c.send(str);
}
/*for(Iterator<Client>it = clients.iterator(); it.hasNext();) {
Client c = it.next();
c.send(str);
}*/
/*Iterator<Client>it = clients.iterator();
while(it.hasNext()) {
Client c = it.next();
c.send(str);
}*/
}
} catch (IOException e) {
System.out.println("A client has been out...");
} finally {
try {
if(dis != null) dis.close();
if(dos != null) dos.close();
if(s != null) s.close();
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
}
}
started1 = true;//建立连接后started1变为true;
while(started1) {
s = ss.accept();
Client c = new Client(s);
System.out.println("A client is connecting to me..."); clients.add(c); new Thread(c).start();
}
......