import java.doc

import .*; import java.io.*; public class run ServerSocket ss; Socket socket; BufferedReader in; PrintWriter out; public run() try ss = new ServerSocket(10000); System.out.println(Waitting for connect, );while (true) socket = ss.accept(); in = new BufferedReader(new InputStreamReader(socket.getInputStream(); out = new PrintWriter(socket.getOutputStream(); String line = in.readLine(); out.println(you input is : + line); catch (IOException e) public static void main(String args) new run(); import java.io.*; import .*; public class connect Socket socket; BufferedReader in; PrintWriter out; public connect() try socket = new Socket(,10000); out = new PrintWriter(socket.getOutputStream(); BufferedReader line = new BufferedReader(new InputStreamReader(System.in); out.println(line.readLine(); in = new BufferedReader(new InputStreamReader(socket.getInputStream(); System.out.println(Get message from server:+in.readLine();if (line.equals(bye)line.close(); out.close(); in.close(); socket.close(); catch (IOException e) public static void main(String args) new connect(); ip我换成本机的，你想换成你的也行。/* 客户端*/import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.io.*;import .*;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JScrollPane;import javax.swing.JTextArea;import javax.swing.JTextField;public class SocketClientTrue extends JFrame private JTextField portInput = new JTextField();private JButton portBtn = new JButton(发送);static PrintWriter pw;static BufferedReader br;private JTextArea infoshow = new JTextArea();public SocketClientTrue() this.setTitle(客户端); this.setLayout(null); this.setSize(350, 500); this.setLocation(500, 100); portInput.setBounds(0, 0, 200, 25); this.add(portInput); portBtn.setBounds(200, 0, 70, 25); this.add(portBtn); infoshow.setEditable(false); JScrollPane jsp = new JScrollPane(infoshow); jsp.setBounds(0, 30, 350, 440); this.add(jsp); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setVisible(true); portBtn.addActionListener(new ActionListener() public void actionPerformed(ActionEvent e) send(portInput.getText(); infoshow.append(服务器回复的消息: + portInput.getText() + n); infoshow.setCaretPosition(infoshow.getText().length(); portInput.setText(); ); Socket s; try s = new Socket(, 8880); pw = new PrintWriter(s.getOutputStream(), true);/ 取得输出流 System.out.println(连接服务器成功!); catch (Exception e) e.printStackTrace(); System.out.println(连接服务器失败); public static void send(String msg) pw.println(msg);public static void main(String args) SocketClientTrue scm = new SocketClientTrue();/* 服务器端*/import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.io.*;import .*;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JScrollPane;import javax.swing.JTextArea;import javax.swing.JTextField;/IDC机房里的物理服务器public class SocketServerTrue extends JFrameprivate JTextField portInput = new JTextField();private JButton portBtn = new JButton(发送);private JTextArea infoshow=new JTextArea(); static PrintWriter pw;public SocketServerTrue() try this.setTitle(服务端); this.setLayout(null); this.setSize(350, 500); this.setLocation(500, 100); infoshow.setEditable(false); JScrollPane jsp = new JScrollPane(infoshow); jsp.setBounds(0, 30, 350, 440); this.add(jsp); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setVisible(true); portBtn.addActionListener(new ActionListener() public void actionPerformed(ActionEvent e) try System.out.println(portInput.getText(); send(portInput.getText(); portInput.setText(); catch (Exception e1) e1.printStackTrace(); ); System.out.println(等待客户端连.); ServerSocket ss = new ServerSocket(8880); while (true) Socket s = ss.accept(); System.out.println(s.getLocalAddress() + 已连接); InputStreamReader isr = new InputStreamReader(s.getInputStream(); BufferedReader br = new BufferedReader(isr); String info = br.readLine(); infoshow.append(s.getLocalAddress()+ : +info+n); System.out.println(s.getLocalAddress()+客户端发来的信息是： + info); while (info != null) info = br.readLine(); infoshow.append(s.getLocalAddress()+ : +info+n); infoshow.setCaretPosition(infoshow.getText().length(); System.out.pri