Java网络编程课程设计

import java.util.*; public class ChatRoom extends JFrame implements ActionListener, Runnable,KeyListener { Image Image; private TextArea ta; private JTextField ip; private JTextField port; private JButton ss_server; private JButton ss_client; private JTextField send_text; private JTextField name; private JButton ss_send; private JButton ss_exit; private Socket skt; public void keyReleased(KeyEvent f){} public void keyPressed(KeyEvent f){ if(f.getKeyCode()== KeyEvent.VK_ENTER){ try{ PrintWriter pw = new PrintWriter(skt.getOutputStream()); String s1=name.getText(); String s = send_text.getText(); if(s==null) return; Calendar ca= new GregorianCalendar(); int hh = ca.get(Calendar.HOUR_OF_DAY); int mm = ca.get(Calendar.MINUTE); int ss = ca.get(Calendar.SECOND); String time = new String(hh + ":" + mm + ":" + ss + " "); ta.append(time+s1+"说:"+"\n"+s+"\n"); String s3=time+s1+"说:"+"\n"+s; pw.println(s3); pw.flush(); send_text.setText(""); } catch(Exception e){
Java网络编程课程设计
学 院：计算机与科学技术学院 专业班级：
随着网络的发展，计算机的功能越来越强大，人们对网络的也越来 越依赖，聊天工具也日益普及，人们习惯了使用类似QQ 、MSN这样的 网络聊天工具，运用Java知识，我们可以做一个简单的网络聊天工具， 可以实现简单的聊天功能。 Java编写的聊天工具是图形界面，线程，流与文件系统等技术的综 合应用。其界面主要采用了java.awt包，java.swing包以及java.util 包等。程序实现了聊天室的基本功能，其中有： 1、启动服务器。
p1.add(new JLabel("昵称:")); name=new JTextField("",6); p1.add(name); name.setFont(new Font("宋体",Font.BOLD,14)); p1.add(new JLabel("IP: ")); ip = new JTextField("127.0.0.1", 15); p1.add(ip); p1.add(new JLabel("Port: ")); port = new JTextField("8888", 4); p1.add(port); ss_server = new JButton("侦听"); ss_server.setForeground(new Color(150,100,250)); ss_server.setFont(new Font("宋体",Font.BOLD,14)); p1.add(ss_server); ss_client = new JButton("连接"); ss_client.setForeground(new Color(150,100,250)); ss_client.setFont(new Font("宋体",Font.BOLD,14)); p1.add(ss_client); ss_exit = new JButton("退出"); ss_exit.setForeground(new Color(150,100,250)); ss_exit.setFont(new Font("宋体",Font.BOLD,14)); p1.add(ss_exit); p2.setLayout(new BorderLayout()); p2.add(new JLabel("发送消息："),BorderLayout.WEST); p2.setBackground(new Color(200,200,250)); send_text = new JTextField("在？"); p2.add(send_text, BorderLayout.CENTER); ss_send = new JButton("发送"); p2.add(ss_send, BorderLayout.EAST); ss_exit.addActionListener(this); send_text.addKeyListener(this); ss_server.addActionListener(this); ss_client.addActionListener(this); ss_send.addActionListener(this); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); }
new
ta.append(time+s1+"说:"+"\n"+s+"\n"); String s3=time+s1+"说:"+"\n"+s; pw.println(s3); pw.flush(); send_text.setText(""); } catch(Exception e){ ta.append("发送失败！\n"); } } public void doexit() { System.exit(0); } public ChatRoom() { Panel a1 = new Panel(); Panel a2 = new Panel(); Panel a3 = new Panel(); this.setTitle("聊天室"); this.setBounds(200,200,600,500); Container cc = this.getContentPane(); JPanel p1 = new JPanel(); cc.add(p1, BorderLayout.NORTH); p1.setBackground(new Color(200,200,250)); ta = new TextArea(); cc.add(ta, BorderLayout.CENTER); JPanel p2 = new JPanel(); cc.add(p2, BorderLayout.SOUTH); p2.setBackground(new Color(250,150,200)); ta.setForeground(new Color(0,0,250)); JLabel p3 = new JLabel(new ImageIcon("IMG0064A.jpg")); cc.add(p3, BorderLayout.EAST);
ta.append("发送失败！\n"); } } } public void keyTyped(KeyEvent f){} public void run() { try{ BufferedReader br = new InputStreamReader(skt.getInputStream())); while(true){ String s = br.readLine(); if(s==null) break; ta.append(s + "\n"); } } catch(Exception e){ e.printStackTrace(); } } public void actionPerformed(ActionEvent e) { if(e.getSource()==ss_server){ doServer(); } if(e.getSource()==ss_client){ doClient(); } if(e.getSource()==ss_send){ doSend(); } if(e.getSource()==ss_exit){ doexit(); } } public void doServer()
BufferedReadeket server = ServerSocket(Integer.parseInt(port.getText())); skt = server.accept(); ta.append("连接服务器成功！\n"); new Thread(this).start(); } catch(Exception e){ ta.append("服务器启动失败！\n"); } } public void doClient() { try{ skt = new Socket(ip.getText(), Integer.parseInt(port.getText())); ta.append("连接服务器成功！\n"); new Thread(this).start(); } catch(Exception e){ ta.append("连接失败！\n"); } } public void doSend() { try{ PrintWriter pw = new PrintWriter(skt.getOutputStream()); String s1=name.getText(); String s = send_text.getText(); if(s==null) return; Calendar ca= new GregorianCalendar(); int hh = ca.get(Calendar.HOUR_OF_DAY); int mm = ca.get(Calendar.MINUTE); int ss = ca.get(Calendar.SECOND); String time = new String(hh + ":" + mm + ":" + ss + " ");