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java服务端客户端代码 java服务端客户端代码是多少( 二 )

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return pane;
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==connect){
user=IDField.getText();
String ip=ipField.getText();
int port =Integer.parseInt(portField.getText());
if(!user.equals("")connectToServer(ip,port,user))
{
disconnect.setEnabled(true);
connect.setEnabled(false);
}
}
if(e.getSource()==disconnect)disconnectFromServer();
if(e.getSource()==messageField)
if(theSocket!=null)
{
out.println("MESSAGE:"+messageField.getText());
messageField.setText("");
}
}
public void disconnectFromServer()
{
if(theSocket!=null)
{
try
{
connected=false;
out.println("LEAVE:"+user);
disconnect.setEnabled(false);
connect.setEnabled(true);
thread=null;
theSocket.close();
}catch(IOException io){}
theSocket=null;
message.setText("");
users.setText("");
}
}
public boolean connectToServer(String ip,int port,String ID)
{
if(theSocket!=null)
return false;
try
{
theSocket=new Socket(ip,port);
in=new BufferedReader(new InputStreamReader(theSocket.getInputStream()));
out=new PrintWriter(new OutputStreamWriter(theSocket.getOutputStream()),true);
out.println("USER:"+user);
message.setText("");
connected=true;
thread=new Thread(this);
thread.start();
}catch(Exception e){return false;}
return true;
}
public void extractMessage(String line)
{
System.out.println(line);
Message messageline;
messageline=new Message(line);
if(messageline.isValid())
{
if(messageline.getType().equals("JOIN"))
{
user=messageline.getBody();
message.append(user+"进入了聊天室\n");
}
else if(messageline.getType().equals("LIST"))
updateList(messageline.getBody());
else if(messageline.getType().equals("MESSAGE"))
message.append(messageline.getBody()+"\n");
else if(messageline.getType().equals("REMOVE"))
message.append(messageline.getBody()+"离开了聊天室\n");
}
else
message.append("出现问题："+line+"\n");
}
public void updateList(String line)
{
users.setText("");
String str=line;
for(int i=0;i10;i++)
userList[i]="";
int index=str.indexOf(":");
int a=0;
while(index!=-1){
userList[a]=str.substring(0,index);
str=str.substring(index+1);
a++;
index=str.indexOf(":");
}
for(int i=0;i10;i++)
users.append(userList[i]+"\n");
}
public void run(){
try{
String line="";
while(connectedline!=null){
line=in.readLine();
if(line!=null) extractMessage(line);
}
}catch(IOException e){}
}
} =======================================================import java.net.*;
import java.io.*;
class ChatHandler extends Thread{
Socket theSocket;
BufferedReader in;
PrintWriter out;
int thePort;
ChatServer parent;
String user="";
boolean disconnect=false;
public ChatHandler(Socket socket,ChatServer parent){
try{
theSocket=socket;
this.parent=parent;
in=new BufferedReader(new InputStreamReader(theSocket.getInputStream()));
out=new PrintWriter(new OutputStreamWriter(theSocket.getOutputStream()),true);
thePort=theSocket.getPort();
start();
}catch(IOException io){}
}
public void sendMessage(String line){
out.println(line);
}
public void setupUserName(String setname){
user=setname;
//System.out.print(user+"参加");
parent.broadcastMessage("JOIN:"+user);
}
public void extractMessage(String line){
Message messageline;
messageline = new Message(line);
if(messageline.isValid()){

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