Java 中的网络编程

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1、实验六Java中的网络编程一，实验目的通过练习，熟悉网络编程编程二，实验设备一台PC机，myｅｃｌｉｐｓｅ开发环境三，实验内容程序模板客户端模板：Client.javaimportjava.net.*;importjava.io.*;importjava.awt.*;importjava.awt.event.*;classClientextendsFrameimplementsRunnable,ActionListener{Buttonconnection;Socketsocket=null;ObjectInputStreamin=null;ObjectOut

2、putStreamout=null;Threadthread;publicClient(){socket=newSocket();connection=newButton("连接服务器,读取文本区对象");add(connection,BorderLayout.NORTH);connection.addActionListener(this);thread=newThread(this);setBounds(100,100,360,310);setVisible(true);addWindowListener(newWindowAdapter(){public

3、voidwindowClosing(WindowEvente){System.exit(0);}});}publicvoidrun(){while(true){try{TextAreatext=(TextArea)in.readObject();add(text,BorderLayout.CENTER);validate();}catch(Exceptione){break;}}}publicvoidactionPerformed(ActionEvente){if(e.getSource()==connection){try{if(socket.isConne

4、cted()){}else{InetAddressaddress=InetAddress.getByName("127.0.0.1");InetSocketAddresssocketAddress=【代码1】//创建端口为4331、地址为//address的socketAddress【代码2】//socket建立和socketAddress的连接呼叫。in=newObjectInputStream(【代码3】);//socket返回输入流。out=newObjectOutputStream(【代码4】);//socket返回输出流。thread.start()

5、;}}catch(Exceptionee){}}}publicstaticvoidmain(Stringargs[]){Clientwin=newClient();}}服务器端模板：Server.javaimportjava.io.*;importjava.net.*;importjava.util.*;importjava.awt.*;publicclassServer{publicstaticvoidmain(Stringargs[]){ServerSocketserver=null;ServerThreadthread;Socketyou=null;wh

6、ile(true){try{server=【代码1】//创建在端口4331上负责监听的ServerSocket对象。}catch(IOExceptione1){System.out.println("正在监听");}try{you=【代码2】//server返回和客户端相连接的Socket对象。System.out.println("客户的地址:"+you.getInetAddress());}catch(IOExceptione){System.out.println("正在等待客户");}if(you!=null){newServerThread(you)

7、.start();//为每个客户启动一个专门的线程。}else{continue;}}}}classServerThreadextendsThread{Socketsocket;ObjectInputStreamin=null;ObjectOutputStreamout=null;Strings=null;ServerThread(Sockett){socket=t;try{out=newObjectOutputStream(【代码3】);//socket返回输出流。in=newObjectInputStream(【代码4】);//socket返回输入流。}c

8、atch(IOExceptione){