该功能模块实现的代码如下所示: public class ComFacade extends Panel implements ActionListener,Runnable{ Panel Pserver,Pclient;Button SYes,SNo,SInit,CYes,CNo,CInit; TextArea SShow,CShow;TextField SMessage,CMessage; Box basic,Bserver,Bclient; Thread ThreadServerSend,ThreadServerReceive,ThreadClientSend,ThreadClientReceive; ServerSocket server;Socket Sclient,Cclient;DataInputStream Sin,Cin;DataOutputStream Sout,Cout; String s;boolean flag=true;Des des=new Des(); public ComFacade() { Bserver=Box.createVerticalBox();Bclient=Box.createVerticalBox(); Pserver=new Panel();Pserver.setLayout(new BorderLayout());Pclient=new Panel(); Pclient.setLayout(new BorderLayout()); SShow=new TextArea("",30,50,TextArea.SCROLLBARS_HORIZONTAL_ONLY); CShow=new TextArea("",30,50,TextArea.SCROLLBARS_HORIZONTAL_ONLY); SMessage=new TextField(35);SYes=new Button("发送");SYes.addActionListener(this); SNo=new Button("取消");SNo.addActionListener(this);SInit=new Button("启动服务器"); SInit.addActionListener(this);CYes=new Button("发送");CYes.addActionListener(this); CNo=new Button("取消");CNo.addActionListener(this);CInit=new Button("启动客户端"); CInit.addActionListener(this);CMessage=new TextField(35);Panel SControl=new Panel(); Panel CControl=new Panel();SControl.setLayout(new FlowLayout()); SControl.add(SMessage,FlowLayout.LEFT);SControl.add(SYes);SControl.add(SNo); CControl.setLayout(new FlowLayout());CControl.add(CMessage,FlowLayout.LEFT); CControl.add(CYes);CControl.add(CNo);Pserver.add(SShow,BorderLayout.NORTH); Pserver.add(SControl,BorderLayout.SOUTH);Pclient.add(CShow,BorderLayout.NORTH); Pclient.add(CControl,BorderLayout.SOUTH);Panel S=new Panel();Panel C=new Panel(); S.add(new Label("服务端"),BorderLayout.CENTER);S.add(SInit);Bserver.add(S);Bserver.add(Pserver); C.add(new Label("客户端"),BorderLayout.CENTER);C.add(CInit);Bclient.add(C); Bclient.add(Pclient);basic=Box.createHorizontalBox();basic.add(Bserver); basic.add(Box.createVerticalStrut(200));basic.add(Bclient);add(basic); } public void actionPerformed(ActionEvent e) { if(e.getSource()==SYes) { ThreadServerSend=new Thread(this);ThreadServerSend.start(); ThreadClientReceive=new Thread(this);ThreadClientReceive.start(); }//处理服务器发送消息else if(e.getSource()==CYes) { ThreadClientSend=new Thread(this); ThreadClientSend.start(); ThreadServerReceive=new Thread(this); ThreadServerReceive.start();
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