这篇文章主要介绍“如何使用javasocket实现一个聊天小程序”的相关知识,小编通过实际案例向大家展示操作过程,操作方法简单快捷,实用性强,希望这篇“如何使用javasocket实现一个聊天小程序”文章能帮助大家解决问题。
package demo04;import java.awt.BorderLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.io.DataInputStream;import java.io.DataOutputStream;import java.net.ServerSocket;import java.net.Socket;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JScrollPane;import javax.swing.JTextArea;import javax.swing.JTextField;import javax.swing.ScrollPaneConstants;public class ownServer { public static void main(String[] args) { // TODO Auto-generated method stub new Server().launch(); }}class Server{ JFrame frame; JTextArea taArea; JTextField tfField; JButton sbButton; DataInputStream read ; DataOutputStream write; ServerSocket scServerSocket; Socket socket; public void launch() { CreateUI(); CreateNetWork(); new ServerWrite().start(); new ServerRead().start(); } public void CreateUI() { frame = new JFrame("MM Server"); JPanel Panle = new JPanel(); taArea = new JTextArea(15,25); taArea.setLineWrap(true); taArea.setWrapStyleWord(true); taArea.setEditable(true); JScrollPane qScroller=newJScrollPane(taArea); qScroller.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS); qScroller.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS); tfField = new JTextField(20); sbButton = new JButton("发送"); Panle.add(qScroller); Panle.add(tfField); Panle.add(sbButton); frame.getContentPane().add(BorderLayout.CENTER,Panle); frame.setSize(400,400); frame.setVisible(true); } public void close() { try { write.close(); read.close(); socket.close(); scServerSocket.close(); } catch (Exception e) { System.exit(-1); } } public void CreateNetWork() { try { scServerSocket =new ServerSocket(7780); socket= scServerSocket.accept(); read = new DataInputStream(socket.getInputStream()); write = new DataOutputStream(socket.getOutputStream()); System.out.print("网络连接"); } catch (Exception e) { // TODO: handle exception e.printStackTrace(); } } class ServerRead extends Thread{ public void run() { while (true) { try { String message = read.readUTF(); taArea.append("对方:"+message+ "\n"); } catch (Exception e1) { // TODO: handle exception JOptionPane.showMessageDialog(taArea, "提示: 服务端已经断开连接"); //e.printStackTrace(); //System.exit(-1); return ; } } } }class ServerWrite extends Thread{ public void run() { tfField.addActionListener(new ServerListen()); sbButton.addActionListener(new ServerListen()); } } class ServerListen implements ActionListener{ @Override public void actionPerformed(ActionEvent e) { try { String str = tfField.getText(); tfField.setText(""); taArea.append("我: " + str + "\n"); write.writeUTF(str); } catch (Exception e2) { // TODO: handle exception e2.printStackTrace(); } } } }
客户端
package demo04;import java.awt.BorderLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.io.DataInputStream;import java.io.DataOutputStream;import java.net.Socket;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JScrollPane;import javax.swing.JTextArea;import javax.swing.JTextField;import javax.swing.ScrollPaneConstants;public class ownClient { public static void main(String[] args) { // TODO Auto-generated method stub new Client().launch(); }}class Client{ JTextArea taArea; JTextField tfField; JButton sbButton; DataInputStream read = null; DataOutputStream write = null; Socket socket; public void launch() { CreateUI(); CreatNetWork(); new ClientRead().start();; new ClientWrite().start();; } public void CreateUI() { JFrame frame = new JFrame("MM Client"); JPanel Panle = new JPanel(); taArea = new JTextArea(15,25); taArea.setLineWrap(true); taArea.setWrapStyleWord(true); taArea.setEditable(true); JScrollPane qScroller = new JScrollPane(taArea); qScroller.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS); qScroller.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS); tfField = new JTextField(20); sbButton = new JButton("发送"); Panle.add(qScroller); Panle.add(tfField); Panle.add(sbButton); frame.getContentPane().add(BorderLayout.CENTER,Panle); frame.setSize(400,400); frame.setVisible(true); } public void CreatNetWork() { // TODO Auto-generated method stub try { socket = new Socket("127.0.0.1",7780); write = new DataOutputStream(socket.getOutputStream()); read = new DataInputStream(socket.getInputStream()); System.out.print("已建立网络连接"); } catch (Exception e) { // TODO: handle exception e.printStackTrace(); } } class ClientRead extends Thread{ public void run() { while (true) { try { String message= read.readUTF(); taArea.append("对方:"+message+ "\n"); } catch (Exception e1) { // TODO: handle exception JOptionPane.showMessageDialog(taArea, "提示: 客户端已经断开连接"); //e.printStackTrace(); //System.exit(-1); return ; } } } } class ClientWrite extends Thread{ public void run() { tfField.addActionListener(new ClientListen()); sbButton.addActionListener(new ClientListen()); } } class ClientListen implements ActionListener{ @Override public void actionPerformed(ActionEvent e) { try { String str = tfField.getText(); tfField.setText(""); taArea.append("我: " + str + "\n"); write.writeUTF(str); } catch (Exception e2) { // TODO: handle exception e2.printStackTrace(); } } } }
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