500G，win7 importjava.awt.*;importjava.awt.event.*;importjava.util.*;importjava.io.*;.*;importjavax.swing.*;classSFrameextendsFrame{ServerSocketserver =null;Socketclient=null;TextFieldportnewTextField("8000");//8000Buttonstart=newButton("Start");TextAreasfTA=newTextArea(25, TextFieldsfTF=newTextField(40);Buttonsay=newButton("say");SFListenersfListener=newSFListener();SFrame(Stringtitle){ //窗 newWindowAdapter()publicvoidwindowClosing(WindowEvent try}catch(Exception{}}}}voidinit() // PanelNorth=ne North.add(newLabel("port"));//BorderLayout.CENTER設(shè)置PanelCenter=ne PanelSouth=ne South.add(newLabel("say"));} classSFListenerimplementsActionListenerpublicvoidactionPerformed(ActionEvente){Strings= if("Start"==s){//starttry{inti=Integer.parseInt(port.getText());Portserver=newServerSocket(i);client=server.accept();sfTA.append("aclientconnectServerThreadsfST=newServerThread(); }catch(Exceptionce){}}elseif("say"==s) //saytryPrintWriterss=Stringstr=sfTF.getText();if(str!=""){sfTA.append("Serversay:"++ss.write("Serversay:"+str}}catch(Exceptionse)}}}}classServerThreadextendsThread{publicvoidrun(){tryBufferedReaderbr=newBufferedReader(newInputStreamReader(client.getInputStream()));Strings=while(!"clientsay:bye".equals(s)&&s!=null){s=}}catch(Exceptionre)}}}}publicclassSocketServer{publicstaticvoidmain(String[]args){SFramesf=newSFrame("服務(wù)器");}}importjava.awt.*;importjava.awt.event.*;importjava.util.*;importjava.io.*;.*;importjavax.swing.*;classCFrameextends{Socketclient=TextFieldport=newTextField("8000");TextFieldip=newTextField("");Buttonconnect=newButton("connect");TextAreacfTA=newTextArea(25,60);TextFieldcfTF=newTextField(40);Buttonsay=newButton("say");CFListenercfListener=newCFListener();CFrame(String{ //窗 newWindowAdapter()publicvoidwindowClosing(WindowEvente){ try{}catch(Exceptionee){}}}}voidinit() // PanelNorth=ne North.add(newLabel("IP"));North.add(newLabel("port"));//BorderLayout.CENTER設(shè)置PanelCenter=ne PanelSouth=ne South.add(newLabel("say"));} classCFListenerimplementsActionListener{publicvoidactionPerformed(ActionEvente){Strings= if("connect"==s){tryinti=Integer.parseInt(port.getText());cfTA.append("SocketConnectIP:"+ip.getText()+"\nConnectPortclient=newSocket(ip.getText(),i);cfTA.append("connect...\n");ClientThreadcfCT=newClientThread(); }catch(Exceptionce){}}elseif("say"==s){try{Stringstr=PrintWritercc=newPrintWriter(client.getOutputStream());if(str!=""){cc.write("clientsay:"+str+"\n");cfTA.append("clientsay:"+str+}}catch(Exceptionse){}}}}classClientThreadextendsThread{publicvoidrun(){BufferedReaderbr=newBufferedReader(newInputStreamReader(client.getInputStream()));Strings=while(!"Serversay:bye".equals(s)&&s!=null){cfTA.append(s+"\n");s=}}catch(Exceptionre){}}}}publicclassSocketClientpublicstaticvoidmain(String[]args){/r/