急,急:请帮我看一下---为何这个程序不能实现?先谢谢了!
我写了一个Client端和Server端,想同时把几个Client端与Server端通过线程机制联结起来.但是加载第一个时没有问题,加载第二个时抛出一个异常java.net.ConnectException: Connection refused: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:519)
at java.net.Socket.connect(Socket.java:469)
at java.net.Socket. <init> (Socket.java:366)
at java.net.Socket. <init> (Socket.java:179)
at chatClient.connect(chatClient.java:37)
at chatClient.launchFrame(chatClient.java:32)
at chatClient.main(chatClient.java:75)
我的Client端程序是:
import java.io.*;
import java.net.*;
import java.awt.*;
import java.awt.event.*;
public class chatClient extends Frame {
Socket s = null;
DataOutputStream dos = null;
TextField texfid = new TextField();
TextArea taContent = new TextArea();
public void launchFrame() {
setLocation(300, 300);
this.setSize(400, 400);
add(texfid, BorderLayout.SOUTH);
add(taContent, BorderLayout.NORTH);
pack();
this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
disconnect();
}
});
texfid.addActionListener(new TFListener());
setVisible(true);
connect();
}
public void connect() {
try {
s = new Socket( "127.0.1.1 ", 8888);
System.out.println( "connected ");
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public void disconnect() {
try {
dos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
private class TFListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
String str = texfid.getText().trim();
taContent.setText(str);
texfid.setText( " ");
try {
dos = new DataOutputStream(s.getOutputStream());
dos.writeUTF(str);
dos.flush();
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
public static void main(String[] args) {
new chatClient().launchFrame();
}
}
我的Server端程序是:
import java.net.*;
import java.io.*;
class chatServer2 {
boolean bConnected=false;
DataInputStream dis=null;
public static void main(String[] args) {
new chatServer2().start();
}
public void start(){
ServerSocket ss=null;
try {
ss=new ServerSocket(8888);
bConnected=true;
}catch(BindException eb){
System.out.println( "port in use..... ");
System.out.println( "please close other program and continue ");
}catch(IOException ei){
ei.printStackTrace();
}
try {
Socket s = ss.accept();
client c=new client(s);
new Thread(c).start();
} catch (IOException e) {
e.printStackTrace();
}finally{
try {
ss.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
class client implements Runnable{
private Socket s= null;
private DataInputStream dis=null;
boolean bConnected=false;
public client(Socket s){
this.s=s;
try {
dis=new DataInputStream(s.getInputStream());
} catch (IOException e) {
e.printStackTrace();
}
bConnected=true;
}
public void run() {
try{
while(bConnected){
dis=new DataInputStream(s.getInputStream());
String str=dis.readUTF();
System.out.println(str);
}
}catch(SocketException ee){
System.out.println( "the client is over! ");
}catch (IOException e){
e.printStackTrace();
}finally{
try {
if(dis !=null) dis.close();
if(s !=null) s.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
[解决办法]
try {
Socket s = ss.accept();
client c=new client(s);
new Thread(c).start();
}
--------------------
这里要循环accept()！！！
[解决办法]
拜托养成个好习惯，别把两个类写一起，你的程序需要改的地方太多了，我直接贴我的代码给你好了
服务端
import java.net.*;
import java.io.*;
public class SocketServer extends Thread{
public SocketServer() {
}
int servP =0;
ServerSocket serversocket ;
DataInputStream isr = null;
PrintWriter pw = null;
public SocketServer(int port){
this.servP = port;
System.out.println( "8956端口开始启动！ ");
}
public void run(){
Socket so = null;
try {
if (servP != 0) {
serversocket = new ServerSocket(servP);
so = serversocket.accept();
while (true) {
// new Thread(new RunaDeal(so)).start();
isr = new DataInputStream(so.getInputStream());
String result = isr.readLine();
System.out.println(result);
pw = new PrintWriter(so.getOutputStream());
pw.write( "receive ok!from server ");
pw.flush();
pw.close();
so.close();
so = serversocket.accept();
}
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
public static void main(String[] args) {
new SocketServer(8956).start();
}
}
[解决办法]
ding
[解决办法]
ding
