计算机网络课程设计——简易聊天程序

package ui; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.BorderFactory; import javax.swing.ButtonGroup; import javax.swing.ComboBoxModel; import javax.swing.DefaultComboBoxModel; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JRadioButton; import javax.swing.JTextField; import javax.swing.WindowConstants; /** * This code was edited or generated using CloudGarden's Jigloo SWT/Swing GUI * Builder, which is free for non-commercial use. If Jigloo is being used * commercially (ie, by a corporation, company or business for any purpose * whatever) then you should purchase a license for each developer using Jigloo. * Please visit www.cloudgarden.com for details. Use of Jigloo implies * acceptance of these licensing terms. A COMMERCIAL LICENSE HAS NOT BEEN * PURCHASED FOR THIS MACHINE, SO JIGLOO OR THIS CODE CANNOT BE USED LEGALLY FOR * ANY CORPORATE OR COMMERCIAL PURPOSE. */ public class UDPDialog extends javax.swing.JDialog implements ActionListener { { // Set Look & Feel try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager .getSystemLookAndFeelClassName()); } catch (Exception e) { e.printStackTrace(); } } /** * */ private static final long serialVersionUID = 1L; private JLabel jLabelIP; private ButtonGroup buttonGroup; private JRadioButton jRadioButtonServer; private JRadioButton jRadioButtonClient; private JPanel jPanel1; private JButton jButtonCancel; private JButton jButtonOK; private JTextField jTextFieldSelfPort; private JLabel jLabelSelfPortable; private JTextField jTextFieldPort; private JLabel jLabelPort; private JTextField jTextFieldName; private JLabel jLabel1; private JComboBox jComboBoxIP; private MainFrame mainframe; /** * Auto-generated main method to display this JDialog * * public static void main(String[] args) { SwingUtilities.invokeLater(new * Runnable() { public void run() { JFrame frame = new JFrame(); UDPDialog * inst = new UDPDialog(frame); inst.setVisible(true); } }); } */ public UDPDialog(MainFrame frame) { super(frame); mainframe = frame; initGUI(); } private void initGUI() { try { { getContentPane().setLayout(null); this.setTitle("\u7f51\u7edc\u8bbe\u7f6e"); this.setAlwaysOnTop(true); this.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); this.setResizable(false); this.setPreferredSize(new java.awt.Dimension(360, 350)); } { jLabelIP = new JLabel(); getContentPane().add(jLabelIP, "Center"); jLabelIP.setText("\u76ee\u7684\u4e3b\u673a\u7684IP\uff1a"); jLabelIP.setBounds(40, 176, 97, 16); } { jLabelPort = new JLabel(); getContentPane().add(jLabelPort); jLabelPort .setText("\u76ee\u7684\u4e3b\u673a\u7aef\u53e3\u53f7\uff1a"); jLabelPort.setBounds(40, 224, 100, 17); } { jTextFieldPort = new JTextField(); getContentPane().add(jTextFieldPort); jTextFieldPort.setBounds(147, 221, 173, 23); } { jLabelSelfPortable = new JLabel(); getContentPane().add(jLabelSelfPortable); jLabelSelfPortable .setText("\u672c\u673a\u7aef\u53e3\u53f7\uff1a"); jLabelSelfPortable.setBounds(40, 131, 108, 17); } { jTextFieldSelfPort = new JTextField(); getContentPane().add(jTextFieldSelfPort); jTextFieldSelfPort.setBounds(147, 128, 173, 23); } { jButtonOK = new JButton(); getContentPane().add(jButtonOK); jButtonOK.setText("\u786e\u5b9a"); jButtonOK.setBounds(70, 275, 75, 25); jButtonOK.addActionListener(this); } { jButtonCancel = new JButton(); getContentPane().add(jButtonCancel); jButtonCancel.setText("\u53d6\u6d88"); jButtonCancel.setBounds(199, 275, 75, 25); jButtonCancel.addActionListener(this); } { jPanel1 = new JPanel(); getContentPane().add(jPanel1); getContentPane().add(getJComboBoxIPx()); getContentPane().add(getJLabel1()); getContentPane().add(getJTextFieldName()); getContentPane().add(getJComboBoxIP()); jPanel1.setBounds(18, 10, 302, 54); jPanel1.setLayout(null); jPanel1.setBorder(BorderFactory .createTitledBorder("\u8bf7\u9009\u62e9")); { jRadioButtonClient = new JRadioButton(); jPanel1.add(jRadioButtonClient); jRadioButtonClient .setText("\u4f5c\u4e3a\u8bf7\u6c42\u65b9"); jRadioButtonClient.setBounds(41, 24, 85, 23); jRadioButtonClient.addActionListener(this); } { jRadioButtonServer = new JRadioButton(); jPanel1.add(jRadioButtonServer); jRadioButtonServer .setText("\u4f5c\u4e3a\u88ab\u8bf7\u6c42\u65b9"); jRadioButtonServer.setBounds(163, 24, 97, 23); jRadioButtonServer.addActionListener(this); } getButtonGroup().add(jRadioButtonClient); getButtonGroup().add(jRadioButtonServer); } pack(); this.setSize(360, 350); this.setLocation(mainframe.getLocation().x,mainframe.getLocation().y+80); } catch (Exception e) { e.printStackTrace(); } } private ButtonGroup getButtonGroup() { if (buttonGroup == null) { buttonGroup = new ButtonGroup(); } return buttonGroup; } @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub if (e.getSource() == jButtonOK) { if (!jRadioButtonClient.isSelected() && !jRadioButtonServer.isSelected()) { JOptionPane .showMessageDialog(this, "请选择作为请求方还是被请求方！", "请选择", 1); return; } int port; try {// 检查端口号是否合法 port = Integer.parseInt(jTextFieldSelfPort.getText()); if (port < 1024 || port > 65535) { throw new Exception("输入的端口号非法！"); } } catch (Exception ex) { JOptionPane.showMessageDialog(this, "请输入1024--65535之间的端口号！", "本地端口号非法", 0); return; } if(!mainframe.isServer()){ try { int objport = Integer.parseInt(jTextFieldPort.getText()); if (objport > 65535 || objport < 1024) { throw new Exception("输入的目标主机的端口号非法！"); } } catch (Exception ex) { JOptionPane.showMessageDialog(this, "请输入1024--65535之间的端口号！", "目标主机端口号非法", 0); return; } } this.dispose(); // 作为请求方 if (!mainframe.isServer()) { mainframe.setPort(Integer.parseInt(jTextFieldPort.getText()));// 设置目标端口号 mainframe.setIPAddress((String) jComboBoxIP.getSelectedItem()); } if(jTextFieldName.getText().isEmpty()){ mainframe.setTitle("客户端"); } mainframe.setTitle(jTextFieldName.getText()); mainframe.setSelfPort(Integer .parseInt(jTextFieldSelfPort.getText())); // System.out.println((String)jComboBoxIP.getSelectedItem()); mainframe.initSocket(port); mainframe.setEnabled(true); mainframe.getjRadioButtonTCP().setEnabled(false); mainframe.getjRadioButtonUDP().setEnabled(false); mainframe.getUdpChatPanel().receive(); } else if (e.getSource() == jButtonCancel) { mainframe.getjRadioButtonTCP().setSelected(false); mainframe.getjRadioButtonUDP().setSelected(false); this.dispose(); mainframe.setEnabled(true); } else if (e.getSource() == jRadioButtonClient) {// 选择作为请求方 mainframe.setIsServer(false); jTextFieldPort.setVisible(true); jComboBoxIP.setVisible(true); jLabelIP.setVisible(true); jLabelPort.setVisible(true); if(jButtonOK.getLocation().y == 175){ jButtonOK.setLocation(jButtonOK.getLocation().x, jButtonOK.getLocation().y+100); jButtonCancel.setLocation(jButtonCancel.getLocation().x, jButtonCancel.getLocation().y+100); setSize(getSize().width,getSize().height+100); } } else if (e.getSource() == jRadioButtonServer) {// 选择作为被请求方 mainframe.setIsServer(true); jTextFieldPort.setVisible(false); jComboBoxIP.setVisible(false); jLabelIP.setVisible(false); jLabelPort.setVisible(false); if(jB