import java.awt.Color; import java.awt.Dimension; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.JTextField; import javax.swing.ScrollPaneConstants; import javax.swing.SwingConstants; import javax.swing.WindowConstants; /** * @author * @todo 主窗体 */ @SuppressWarnings("serial") public class Window extends JFrame { public Window() { super("工具"); setSize(500, 300); setLocationRelativeTo(null); setResizable(false); setVisible(true); add(new Panels().set()); setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); } } class Panels { public JPanel set() { // 设置面板 JPanel panels = new JPanel();// 外层面板 JPanel panel1 = new JPanel();// 端口指令面板 JPanel panel2 = new JPanel();// 操作按钮面板 JPanel panel3 = new JPanel();// 返回结果面板 // 设置下拉 // 设置文本 JLabel label = new JLabel();// 指令 JLabel label2 = new JLabel();// 结果 // 端口 final JComboBox combox = new JComboBox(new Integer[] { 30003, 30005, 30006, 30008 }); // 设置指令框 final JTextField text = new JTextField(); // 设置文本域 final JTextArea textarea = new JTextArea(); // 设置按钮 JButton button = new JButton("测试"); JButton button2 = new JButton("清空"); JScrollPane scrollpane = new JScrollPane(textarea); scrollpane.setBorder(javax.swing.BorderFactory .createLineBorder(Color.GRAY));//设置边框颜色 combox.setPreferredSize(new Dimension(80, 20));//设置下拉长宽 label.setText("指令："); text.setColumns(27); text.setBorder(javax.swing.BorderFactory.createLineBorder(Color.GRAY)); textarea.setEditable(false); textarea.setRows(9); textarea.setColumns(35); label2.setText("结果："); button.setHorizontalTextPosition(SwingConstants.CENTER);//设置横向位置 button2.setHorizontalTextPosition(SwingConstants.CENTER);//设置横向位置 // 设置按钮事件 button.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent args) { String textval = text.getText(); Integer port = Integer.valueOf(combox.getSelectedItem() .toString()); if ("".equals(textval.trim())) { Toolkit.getDefaultToolkit().beep(); JOptionPane.showMessageDialog(null, "请输入指令！", null, JOptionPane.WARNING_MESSAGE); return; } textarea.append("请求：" + textval + "\n"); textarea.append(new Connect().doConnection(port, textval) + "\n"); } }); button2.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent args) { textarea.setText(""); } }); // 添加至面板 panel1.add(label); panel1.add(combox); panel1.add(text); panel2.add(button); panel2.add(button2); panel3.add(label2); scrollpane .setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);//设置文本域不显示横向滚动条 panel3.add(scrollpane); panels.add(panel1); panels.add(panel2); panels.add(panel3); return panels; } }