GUI界面聊天室（简单版）

package mychat; import java.awt.BorderLayout; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.*; import java.net.*; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.JTextField; public class ClientFrame { private String name; private JFrame frame; private JPanel panel; private JLabel[] label; private JButton button1; private JTextField[] text; private JTextArea area; private JButton button2; private JPanel panel2; private JScrollPane scroll; private Client client; public ClientFrame() { frame = new JFrame("客户端"); panel = new JPanel(); label = new JLabel[3]; button1 = new JButton("连接"); text = new JTextField[4]; area = new JTextArea(); button2 = new JButton("发送"); panel2 = new JPanel(); scroll = new JScrollPane(area); initLabel(label); initText(text); panel.setLayout(new FlowLayout(FlowLayout.LEFT)); for (int i = 0; i < 3; i++) { panel.add(label[i]); panel.add(text[i]); } panel.add(button1); panel2.add(text[3]); panel2.add(button2); area.setEditable(false); frame.add(panel, BorderLayout.NORTH); frame.add(scroll, BorderLayout.CENTER); frame.add(panel2, BorderLayout.SOUTH); button1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { Socket s=null; try { s = new Socket(text[1].getText(),Integer.valueOf(text[2].getText())); } catch (NumberFormatException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } catch (UnknownHostException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } catch (IOException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } client=new Client(ClientFrame.this,s); client.getOut().println(get()); client.getOut().flush(); client.start(); } }); button2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { send(); } }); frame.setSize(800, 600); frame.setLocation(400, 300); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); } private void initLabel(JLabel[] label) { label[0] = new JLabel("昵称"); label[1] = new JLabel("IP"); label[2] = new JLabel("端口"); } private void initText(JTextField[] text) { text[0] = new JTextField(20); text[1] = new JTextField(10); text[2] = new JTextField(8); text[3] = new JTextField(20); } public String get() { name = text[0].getText(); return name; } public JTextArea getArea() { return area; } public void setArea(JTextArea area) { this.area = area; } public void send() { //发送消息 String text = get()+":"+this.text[3].getText(); //得到你输入的消息 this.text[3].setText(""); //在文本域中显示你输入的消息。 client.getOut().println(text); //打印出。 client.getOut().flush(); //清空 } public static void main(String[] args) { ClientFrame win=new ClientFrame(); } }