下面是Swing组件的演示：
package a_swing;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.BoundedRangeModel;
import javax.swing.ButtonGroup;
import javax.swing.DefaultListModel;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.JTabbedPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.JTextPane;
import javax.swing.JToggleButton;
import javax.swing.JTree;
import javax.swing.Timer;
import javax.swing.border.EtchedBorder;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.TreeSelectionModel;
public class Test extends JFrame {
public Test() {
MenuTest menuTest = new MenuTest();
LeftPanel leftPanel = new LeftPanel();
RightPanel rightPanel = new RightPanel();
BottomPanel bottomPanel = new BottomPanel();
CenterPanel centerPanel = new CenterPanel();
Container c = this.getContentPane();
this.setJMenuBar(menuTest);
c.add(leftPanel, BorderLayout.WEST);
c.add(rightPanel, BorderLayout.EAST);
c.add(centerPanel, BorderLayout.CENTER);
c.add(bottomPanel, BorderLayout.SOUTH);
this.addWindowListener(new WindowAdapter() {
public void WindowClosing(WindowEvent e) {
dispose();
System.exit(0);
}
});
setSize(700, 500);
setTitle("Swing 组件大全简体版");
setUndecorated(true);
setLocation(200, 150);
show();
}
class MenuTest extends JMenuBar {
private JDialog aboutDialog;
public MenuTest() {
JMenu fileMenu = new JMenu("文件");
JMenuItem exitMenuItem = new JMenuItem("退出", KeyEvent.VK_E);
JMenuItem aboutMenuItem = new JMenuItem("关于..", KeyEvent.VK_A);
fileMenu.add(exitMenuItem);
fileMenu.add(aboutMenuItem);
this.add(fileMenu);
aboutDialog = new JDialog();
initAboutDialog();
exitMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
dispose();
System.exit(0);
}
});
aboutMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
aboutDialog.show();
}
});
}
public JDialog get() {
return aboutDialog;
}
public void initAboutDialog() {
aboutDialog.setTitle("关于");
Container con = aboutDialog.getContentPane();
Icon icon = new ImageIcon("sdmile.gif");
JLabel aboutLabel = new JLabel("<html><b><font size=5>" + "<center>Swing!" + "<br>", icon, JLabel.CENTER);
con.add(aboutLabel, BorderLayout.CENTER);
aboutDialog.setSize(450, 225);
aboutDialog.setLocation(300, 300);
aboutDialog.addWindowListener(new WindowAdapter() {
public void WindowClosing(WindowEvent e) {
dispose();
}
});
}
}
class LeftPanel extends JPanel {
private int i = 0;
public LeftPanel() {
DefaultMutableTreeNode root = new DefaultMutableTreeNode("Root");
DefaultMutableTreeNode child = new DefaultMutableTreeNode("Child");
DefaultMutableTreeNode select = new DefaultMutableTreeNode("select");
DefaultMutableTreeNode child1 = new DefaultMutableTreeNode("" + i);
root.add(child);
root.add(select);
child.add(child1);
JTree tree = new JTree(root);
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);
tree.setRowHeight(20);
tree.addTreeSelectionListener(new TreeSelectionListener() {
public void valueChanged(TreeSelectionEvent e) {
JTree tree = (JTree) e.getSource();
DefaultMutableTreeNode selectNode = (DefaultMutableTreeNode) tree.getLastSelectedPathComponent();
i++;
selectNode.add(new DefaultMutableTreeNode("" + i));
}
});
tree.setPreferredSize(new Dimension(100, 300));
JScrollPane scrollPane = new JScrollPane(tree);
this.add(scrollPane);
}
}
class BottomPanel extends JPanel {
private JProgressBar pb;
public BottomPanel() {
pb = new JProgressBar();
pb.setPreferredSize(new Dimension(680, 20));
Timer time = new Timer(1, new ActionListener() {
int counter = 0;
public void actionPerformed(ActionEvent e) {
counter++;
pb.setValue(counter);
Timer t = (Timer) e.getSource();
if (counter == pb.getMaximum()) {
t.stop();
counter = 0;
t.start();
}
}
});
time.start();
pb.setStringPainted(true);
pb.setMinimum(0);
pb.setMaximum(1000);
pb.setBackground(Color.white);
pb.setForeground(Color.red);
this.add(pb);
}
public void setProcessBar(BoundedRangeModel rangeModel) {
pb.setModel(rangeModel);
}
}
class RightPanel extends JPanel {
public RightPanel() {
this.setLayout(new GridLayout(8, 1));
JCheckBox checkBox = new JCheckBox("复选按钮");
JButton button = new JButton("打开文件");
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JFileChooser file = new JFileChooser();
int resule = file.showOpenDialog(new JPanel());
if (resule == file.APPROVE_OPTION) {
String fileName = file.getSelectedFile().getName();
String dir = file.getSelectedFile().getName();
JOptionPane.showConfirmDialog(null, dir + "\\" + fileName, "选择的文件", JOptionPane.YES_OPTION);
}
}
});
JToggleButton toggleButton = new JToggleButton("双胎按钮");
ButtonGroup buttonGroup = new ButtonGroup();
JRadioButton radioButton1 = new JRadioButton("单选按钮1", false);
JRadioButton radioButton2 = new JRadioButton("单选按钮2", false);
JComboBox comboBox = new JComboBox();
comboBox.setToolTipText("点击下拉列表增加选项");
comboBox.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JComboBox comboBox = (JComboBox) e.getSource();
comboBox.addItem("程序员");
comboBox.addItem("分析员");
}
});
DefaultListModel litem = new DefaultListModel();
litem.addElement("香蕉");
litem.addElement("水果");
JList list = new JList(litem);
list.addListSelectionListener(new ListSelectionListener() {
public void valueChanged(ListSelectionEvent e) {
JList l = (JList) e.getSource();
Object s = l.getSelectedValue();
JOptionPane.showMessageDialog(null, s, "消息框", JOptionPane.YES_OPTION);
}
});
buttonGroup.add(radioButton1);
buttonGroup.add(radioButton2);
add(button);
add(toggleButton);
add(checkBox);
add(radioButton1);
add(radioButton2);
add(comboBox);
add(list);
this.setBorder(new EtchedBorder(EtchedBorder.LOWERED, Color.LIGHT_GRAY, Color.blue));
}
}
class CenterPanel extends JPanel {
public CenterPanel() {
JTabbedPane tab = new JTabbedPane(JTabbedPane.TOP);
JTextField textField = new JTextField("文本域，点击打开<文件按钮>可选择文件");
textField.setActionCommand("textField");
JTextPane textPane = new JTextPane();
textPane.setCursor(new Cursor(Cursor.TEXT_CURSOR));
textPane.setText("编辑器，试着点击文本区，试着拉动分隔条。");
textPane.addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent e) {
JTextPane textPane = (JTextPane) e.getSource();
textPane.setText("编辑器点击命令成功");
}
});
JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, textField, textPane);
JTable table = new JTable(10, 10);
JPanel pane = new JPanel();
pane.add(table.getTableHeader(), BorderLayout.NORTH);
pane.add(table);
tab.addTab("文本演示", splitPane);
tab.addTab("表格演示", pane);
tab.setPreferredSize(new Dimension(500, 600));
this.add(tab);
this.setEnabled(true);
}
}
public static void main(String args[]) {
new Test();
}
}
演示界面如下：
时间： 2024-10-11 00:37:20