Java Swing | Bryson

GUI

Java Swing

发布日期: 2020-03-19

更新日期: 2022-05-28

文章字数: 8.4k

阅读时长: 50 分

阅读次数:

布局

BorderLayout

 public void borderLayout(){
     JFrame jFrame = new JFrame("borderLayout"); //窗体
     jFrame.setLayout(new BorderLayout(10,5)); //设置布局
     Container container = jFrame.getContentPane(); //获取窗体容器(用于添加组件)
     //创建按钮
     JButton east = new JButton("EAST");
     JButton west = new JButton("WEST");
     JButton south = new JButton("SOUTH");
     JButton north = new JButton("NORTH");

     //添加按钮
     container.add(east,BorderLayout.EAST);
     container.add(west,BorderLayout.WEST);
     container.add(south,BorderLayout.SOUTH);
     container.add(north,BorderLayout.NORTH);
     container.add(new JLabel("CENTER"),BorderLayout.CENTER);

     jFrame.setVisible(true);
     jFrame.pack(); //窗体自适应大小
     //添加事件
     jFrame.addWindowListener(new WindowAdapter() {
         @Override
         public void windowActivated(WindowEvent e) { //窗体打开时触发事件
             System.out.println("激活");
         }
     });
 }

FlowLayout

 public void flowLayout(){
     JFrame jFrame = new JFrame("flowLayout");
     Container container = jFrame.getContentPane();
     container.setLayout(new FlowLayout(FlowLayout.LEFT,5,10));
     container.add(new JButton("button1"));
     container.add(new JButton("button2"));
     container.add(new JButton("button3"));
     container.add(new JButton("button4"));
     container.add(new JButton("button5"));
     container.add(new JButton("button6"));
     jFrame.setVisible(true);
     jFrame.setSize(new Dimension(200,200));
     jFrame.addWindowListener(new WindowAdapter() {
         @Override
         public void windowClosing(WindowEvent e) {
             System.out.println("exit");
         }
     });
 }

GridLayout

 public void gridLayout(){
     JFrame jFrame = new JFrame();
     Container container = jFrame.getContentPane();
     container.setLayout(new GridLayout(5,1,10,5));
     container.add(new JButton("first"));
     container.add(new JButton("second"));
     container.add(new JButton("third"));
     container.add(new JButton("fourth"));
     container.add(new JButton("fifth"));

     jFrame.setVisible(true);
     jFrame.pack();
     jFrame.addWindowListener(new WindowAdapter() {
         @Override
         public void windowIconified(WindowEvent e) {
             System.out.println("最小化");
         }
     });
 }

CardLayout

 public void cardLayout(){
     JFrame jFrame = new JFrame("cardLayout");
     Container container = jFrame.getContentPane();
     container.setLayout(new GridLayout(2,1,0,5));
     JPanel top = new JPanel();
     JPanel down = new JPanel(new CardLayout());
     //创建按钮并添加点击事件
     JButton button = new JButton("切换");
     button.addActionListener(new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent e) {
             ((CardLayout)down.getLayout()).next(down); //点击时切换下一卡片
         }
     });
     top.setPreferredSize(new Dimension(200,30));//设置大小
     top.add(button);

     down.setPreferredSize(new Dimension(200,50));
     down.add("one",new JButton("page1"));
     down.add(new JLabel("page2"));
     down.add(new JButton("page3"));

     container.add(top);
     container.add(down);

     jFrame.setVisible(true);
     jFrame.pack();

 }

GridbagLayout

 public void gridbagLayout(){
     JButton b;
     GridBagConstraints c;

     JFrame f = new JFrame("gridbagLayout");
     GridBagLayout gridbag = new GridBagLayout();
     Container container = f.getContentPane();
     container.setLayout(gridbag);

     b = new JButton("first");
     c = new GridBagConstraints(0,0,1,1,0,0,GridBagConstraints.EAST,1,new Insets(0,0,0,0),2,2);
     b.addActionListener(new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent e) {
             System.out.println("first");
         }
     });
     gridbag.setConstraints(b,c);
     container.add(b);

     b = new JButton("second");
     c = new GridBagConstraints(1,0,3,1,0,0,GridBagConstraints.EAST,1,new Insets(0,0,0,0),2,2);
     gridbag.setConstraints(b,c);
     container.add(b);

     b = new JButton("third");
     c = new GridBagConstraints(0,2,1,1,0,0,GridBagConstraints.EAST,1,new Insets(5,0,0,0),2,30);
     gridbag.setConstraints(b,c);
     container.add(b);

     b = new JButton("four");
     c = new GridBagConstraints(1,2,1,1,0,0,GridBagConstraints.EAST,0,new Insets(0,0,0,0),2,2);
     gridbag.setConstraints(b,c);
     container.add(b);

     b = new JButton("last button");
     c = new GridBagConstraints(2,3,1,1,0,0,GridBagConstraints.EAST,1,new Insets(0,0,0,0),2,2);
     gridbag.setConstraints(b,c);
     container.add(b);

     f.setVisible(true);
     f.pack();

 }

BoxLayout

 public void boxLayout(){
     JFrame frame = new JFrame();
     Container container = frame.getContentPane();
     Box box = Box.createHorizontalBox();
     container.add(box);
     JButton a = new JButton("A");
     a.addActionListener(new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent e) {
             System.out.println("A");
         }
     });
     box.add(a);
     //box.add(Box.createHorizontalGlue()); //加入透明组件
     //box.add(Box.createHorizontalStrut(50)); //加入指定宽度的透明组件
     //box.add(Box.createRigidArea(new Dimension(50,100)));
     //box.add(new Box.Filler(new Dimension(50,50),new Dimension(100,50),new Dimension(200,100)));
     box.add(new JButton("B"));
     frame.setVisible(true);
     frame.setSize(300,100);
 }

 public void boxLayoutTest(){
     JFrame jFrame = new JFrame("box");
     Container container = jFrame.getContentPane();
     Box boxMain = Box.createHorizontalBox();

     Box vbox = Box.createVerticalBox();
     JButton b = new JButton("first");
     vbox.add(b);

     b = new JButton("third");
     b.setMaximumSize(new Dimension(100,150));
     vbox.add(b);
     boxMain.add(vbox);

     Box vbox1 = Box.createVerticalBox();
     boxMain.add(vbox1);
     b = new JButton("second");
     b.setAlignmentX(Component.CENTER_ALIGNMENT);
     b.setMaximumSize(new Dimension(300,50));
     vbox1.add(b);

     Box hbox = Box.createHorizontalBox();
     vbox1.add(hbox);

     Box vbox2 = Box.createVerticalBox();
     vbox2.add(Box.createVerticalStrut(50));
     vbox2.add(new JButton("fourth"));
     vbox2.add(Box.createVerticalStrut(50));
     Box vbox3 = Box.createVerticalBox();
     vbox3.add(Box.createVerticalGlue());
     vbox3.add(new JButton("this is the last button"));

     hbox.add(vbox2);
     hbox.add(vbox3);

     container.add(boxMain);
     jFrame.pack();
     jFrame.setVisible(true);
 }

 public void boxLayoutTestOne(){
     JFrame jFrame = new JFrame("test");
     Container container = jFrame.getContentPane();
     Box boxMain = Box.createVerticalBox();
     Box topBox = Box.createHorizontalBox();
     Box downBox = Box.createHorizontalBox();

     topBox.add(new JButton("first"));
     JButton second = new JButton("second");
     second.setAlignmentX(Component.CENTER_ALIGNMENT);
     second.setMaximumSize(new Dimension(300,26));
     topBox.add(second);

     JButton third = new JButton("third");
     third.setMaximumSize(new Dimension(100,150));
     Box fourth = Box.createVerticalBox();
     Box last = Box.createVerticalBox();
     fourth.add(Box.createVerticalStrut(50));
     fourth.add(new JButton("fourth"));
     fourth.add(Box.createVerticalStrut(50));
     last.add(Box.createVerticalGlue());
     last.add(new JButton("this is the last button"));

     downBox.add(third);
     downBox.add(fourth);
     downBox.add(last);

     boxMain.add(topBox);
     boxMain.add(downBox);
     jFrame.add(boxMain);
     jFrame.setVisible(true);
     jFrame.pack();
 }

不使用布局

 public void noLayout(){
     JFrame jFrame = new JFrame("noLayout");
     Container container = jFrame.getContentPane();
     container.setLayout(null); //不要布局管理器
     JButton first = new JButton("first");
     JButton second = new JButton("second");

     container.add(first);
     container.add(second);

     first.setBounds(15,10,80,30);
     second.setBounds(80,50,90,40);

     jFrame.setVisible(true);
     jFrame.setSize(400,200);

 }

事件处理

按钮事件

 int count = 0;
 public void actionListener(){
     JFrame jFrame = new JFrame("event");
     Container container = jFrame.getContentPane();
     container.setLayout(new BorderLayout());

     JButton b = new JButton("点击");
     b.addActionListener(new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent e) {
             count++;
             ((JButton)e.getSource()).setText(count+"");
             String str = e.paramString();
             System.out.println(str);
         }
     });
     container.add(b,BorderLayout.CENTER);

     jFrame.setSize(200,70);
     jFrame.setVisible(true);
 }

 public void manyAction(){
     JFrame jFrame = new JFrame("many");
     Container container = jFrame.getContentPane();
     container.setLayout(new FlowLayout(FlowLayout.RIGHT));
     JButton b1 = new JButton("first");
     JButton b2 = new JButton("second");
     b1.addActionListener(myAction());
     b2.addActionListener(myAction());
     container.add(b1);
     container.add(b2);

     jFrame.setVisible(true);
     jFrame.pack();
 }
 public ActionListener myAction(){
     return new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent e) {
             String name = e.getActionCommand();
             if("first".equals(name)) System.out.println("成功");
             else System.out.println("失败");
         }
     };
 }

鼠标事件

 public void mouseLintener(){
     JFrame jFrame = new JFrame("mouse");
     Container container = jFrame.getContentPane();
     container.setLayout(new GridLayout(2,1));
     JLabel label = new JLabel("初始状态",JLabel.CENTER);
     JButton b = new JButton("按钮");
     b.setPreferredSize(new Dimension(150,40));
     b.addMouseListener(mouseEvent(label));
     container.add(label);
     container.add(b);

     jFrame.setVisible(true);
     jFrame.pack();
 }
 public MouseAdapter mouseEvent(JLabel label){
     return new MouseAdapter(){
         public void mouseClicked(MouseEvent e) {
             if(e.getClickCount() == 2){
                 JFrame jFrame = new JFrame("连按2次");
                 jFrame.setSize(100,100);
                 jFrame.setVisible(true);
             }
         }
         public void mousePressed(MouseEvent e) {
             label.setText("鼠标按下");
         }
         public void mouseReleased(MouseEvent e) {
             label.setText("鼠标弹起");
         }
     };
 }

 int startX,startY,endX,endY;
 ArrayDeque<Integer> queue = new ArrayDeque<>();
 public void mouseMotionLintener(){
     JFrame jFrame = new JFrame("motion"){
         @Override
         public void paint(Graphics g) {
             g.setColor(Color.MAGENTA);
             g.clearRect(0,0,300,300);
             int i = 0;
             int[] arr = new int[4];
             for(int a : queue){
                 arr[(i++)%4] = a;
                 if(i%4 == 0) g.drawLine(arr[0],arr[1],arr[2],arr[3]);
             }
             g.drawLine(startX,startY,endX,endY);
         }
     };
     Container container = jFrame.getContentPane();
     container.addMouseListener(new MouseAdapter() {
         @Override
         public void mousePressed(MouseEvent e) {
             startX = e.getX();
             startY = e.getY();
         }

         @Override
         public void mouseReleased(MouseEvent e) {
             queue.offer(startX);
             queue.offer(startY);
             queue.offer(endX);
             queue.offer(endY);
             //System.out.println("Mousereleased"+startX+","+startY+","+endX+","+endY);
         }
     });
     container.addMouseMotionListener(new MouseMotionAdapter() {
         @Override
         public void mouseDragged(MouseEvent e) {
             endX = e.getX();
             endY = e.getY();
             jFrame.paint(jFrame.getGraphics());
         }
     });

     jFrame.setSize(300,300);
     jFrame.setVisible(true);
 }

键盘事件

 String keyString = "";
 public void keyLinstener(){
     JFrame jFrame = new JFrame("key");
     Container container = jFrame.getContentPane();
     container.setLayout(new GridLayout(3,1));
     JLabel jLabel = new JLabel("",JLabel.CENTER);
     JTextField jTextField = new JTextField();
     JButton jButton = new JButton("清除");

     //event
     jButton.addActionListener(new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent e) {
             jLabel.setText("");
             jTextField.setText("");
             keyString = "";
         }
     });
     jTextField.addKeyListener(new KeyAdapter() {
         @Override
         public void keyTyped(KeyEvent e) {
             keyString += e.getKeyChar();
             jLabel.setText(keyString);
         }
     });

     container.add(jLabel);
     container.add(jTextField);
     container.add(jButton);

     jFrame.setVisible(true);
     jFrame.setSize(300,150);
 }

窗体与面板

JFrame与JInternalFrame

 public void jInternalFrame(){
     JFrame jFrame = new JFrame("internal");
     Container container = jFrame.getContentPane();
     JDesktopPane jDesktopPane = new JDesktopPane();
     JButton jButton = new JButton("new");
     jButton.addActionListener(new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent e) {
             JInternalFrame jInternalFrame = new JInternalFrame("Internal",true,true,true,true);
             jInternalFrame.setSize(200,200);
             jInternalFrame.setVisible(true);
             jInternalFrame.setLocation(20,20);
             Container container = jInternalFrame.getContentPane();
             container.setLayout(new BorderLayout());
             container.add(new JTextArea(),BorderLayout.CENTER);
             container.add(new JButton("internal"),BorderLayout.SOUTH);
             jDesktopPane.add(jInternalFrame);
         }
     });

     container.setLayout(new BorderLayout());
     container.add(jDesktopPane,BorderLayout.CENTER);
     container.add(jButton,BorderLayout.SOUTH);
     jFrame.setVisible(true);
     jFrame.setSize(350,350);
 }

JLayeredPane(面板的层级)

 public void jLayeredPane(){
     Integer[] layeredConstant = {
             JLayeredPane.DEFAULT_LAYER,
             JLayeredPane.PALETTE_LAYER,
             101,
             JLayeredPane.MODAL_LAYER,
             JLayeredPane.POPUP_LAYER,
             JLayeredPane.DRAG_LAYER,
             //JLayeredPane.FRAME_CONTENT_LAYER
             1001
     };
     Color[] colors = {
             Color.RED,
             Color.ORANGE,
             Color.YELLOW,
             Color.GREEN,
             Color.CYAN,
             Color.BLUE,
             Color.MAGENTA
     };
     JLabel[] labels = new JLabel[7];
     JFrame jFrame = new JFrame("layered");
     JLayeredPane jLayeredPane = jFrame.getLayeredPane();
     Point point = new Point(0,0);

     for(int i = 0 ; i < 7 ; ++i){
         labels[i] = createLabel("第"+i+"层",colors[i],point);
         point.x += 20;
         point.y += 20;
         jLayeredPane.add(labels[i],layeredConstant[i]);
     }

     jFrame.setSize(300,200);
     jFrame.setVisible(true);
 }
 public JLabel createLabel(String name,Color color,Point position){
     JLabel jLabel = new JLabel(name,JLabel.CENTER);
     jLabel.setVerticalAlignment(JLabel.TOP);
     jLabel.setBackground(color);
     //jLabel.setForeground(Color.black);
     jLabel.setOpaque(true);
     jLabel.setBounds(position.x,position.y,100,100);
     return jLabel;
 }

JPanel

 public void jPanel(){
     JFrame jFrame = new JFrame("jPanel");
     Container container = jFrame.getContentPane();
     Box main = Box.createVerticalBox();
     Box top = Box.createHorizontalBox();
     Box down = Box.createHorizontalBox();
     Box last = Box.createVerticalBox();

     JLabel label1 = new JLabel("label1",JLabel.CENTER);
     JLabel label2 = new JLabel("label2",JLabel.CENTER);
     JLabel label3 = new JLabel("label3",JLabel.CENTER);
     JLabel label4 = new JLabel("label4",JLabel.CENTER);
     JLabel label5 = new JLabel("label5",JLabel.CENTER);
     label1.setBorder(BorderFactory.createLineBorder(Color.GRAY));
     label2.setBorder(BorderFactory.createLineBorder(Color.GRAY));
     label3.setBorder(BorderFactory.createLineBorder(Color.GRAY));
     label4.setBorder(BorderFactory.createLineBorder(Color.GRAY));
     label5.setBorder(BorderFactory.createLineBorder(Color.GRAY));

     JPanel panel1 = new JPanel(new BorderLayout());
     JPanel panel2 = new JPanel(new BorderLayout());
     JPanel panel3 = new JPanel(new BorderLayout());
     JPanel panel4 = new JPanel(new BorderLayout());
     JPanel panel5 = new JPanel(new BorderLayout());
     panel1.setPreferredSize(new Dimension(300,100));
     panel2.setPreferredSize(new Dimension(100,100));
     panel3.setPreferredSize(new Dimension(100,100));
     panel4.setPreferredSize(new Dimension(100,50));
     panel5.setPreferredSize(new Dimension(100,50));

     panel1.add(label1,BorderLayout.CENTER);
     panel2.add(label2,BorderLayout.CENTER);
     panel3.add(label3,BorderLayout.CENTER);
     panel4.add(label4,BorderLayout.CENTER);
     panel5.add(label5,BorderLayout.CENTER);

     last.add(panel4);
     last.add(panel5);

     top.add(panel1);
     down.add(panel2);
     down.add(panel3);
     down.add(last);
     main.add(top);
     main.add(down);

     container.add(main);
     jFrame.setVisible(true);
     jFrame.pack();
 }

JSplitPane(分割面板)

 public void jSplitPane(){
     JFrame jFrame = new JFrame("split");
     Container container = jFrame.getContentPane();
     JLabel label1 = new JLabel("label1",JLabel.CENTER);
     JLabel label2 = new JLabel("label2",JLabel.CENTER);
     JLabel label3 = new JLabel("label3",JLabel.CENTER);

     JSplitPane jSplitPane1 = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,true,label1,label2);
     jSplitPane1.setDividerLocation(0.3);
     jSplitPane1.setOneTouchExpandable(true);
     jSplitPane1.setDividerSize(10);
     JSplitPane jSplitPane2 = new JSplitPane(JSplitPane.VERTICAL_SPLIT,true,jSplitPane1,label3);
     jSplitPane2.setDividerLocation(35);
     jSplitPane2.setOneTouchExpandable(true);
     jSplitPane2.setDividerSize(10);

     container.add(jSplitPane2);
     jFrame.setVisible(true);
     jFrame.setSize(300,200);

 }

JTabbedPanne(标签面板)

 public void jtabbedPane(){
     JFrame jFrame = new JFrame("tab");
     Container container = jFrame.getContentPane();

     JPanel panel1 = new JPanel();
     panel1.add(new JLabel("label1"));
     JPanel panel2 = new JPanel();
     panel2.add(new JLabel(new ImageIcon(FrameTest.class.getResource("./bpm.png"))));//图片作为背景
     JPanel panel3 = new JPanel();
     panel3.add(new JLabel("label3"));

     JTabbedPane jTabbedPane = new JTabbedPane(JTabbedPane.TOP);
     JScrollPane jScrollPane = new JScrollPane(panel2,JScrollPane.VERTICAL_SCROLLBAR_NEVER,JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
     jTabbedPane.add("first",panel1);
     jTabbedPane.add("image",jScrollPane);
     jTabbedPane.add("third",panel3);

     container.add(jTabbedPane);
     jFrame.setVisible(true);
     jFrame.setSize(300,300);

 }

JScrollPane(滚动面板)

 public void jScrollPane(){
     JFrame jFrame = new JFrame("scroll");
     Container container = jFrame.getContentPane();
     container.setLayout(new BorderLayout());

     JPanel center = new JPanel();
     center.add(new JLabel(new ImageIcon(FrameTest.class.getResource("./bpm.png"))));
     JScrollPane jScrollPane = new JScrollPane(center,JScrollPane.VERTICAL_SCROLLBAR_NEVER,JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);

     JPanel west = new JPanel();
     west.setPreferredSize(new Dimension(100,100));
     west.setLayout(new GridLayout(5,1));
     JButton b1 = new JButton("显示水平滚动条");
     JButton b2 = new JButton("不显示水平滚动条");
     JButton b3 = new JButton("适时显示水平滚动条");
     b1.addActionListener(addBtnAction(jScrollPane));
     b2.addActionListener(addBtnAction(jScrollPane));
     b3.addActionListener(addBtnAction(jScrollPane));
     west.add(b1);
     west.add(b2);
     west.add(b3);

     container.add(west,BorderLayout.WEST);
     container.add(jScrollPane,BorderLayout.CENTER);
     jFrame.setVisible(true);
     jFrame.setSize(300,200);
 }
 public ActionListener addBtnAction(JScrollPane jScrollPane){
     return new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent e) {
             String name = e.getActionCommand();
             if("显示水平滚动条".equals(name)){
                 jScrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
             }
             else if("不显示水平滚动条".equals(name)){
                 jScrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
             }
             else{
                 jScrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
             }
             jScrollPane.revalidate();
         }
     };
 }

JScrollBar(滚动条)

 public void jScrollBar(){
     JFrame jFrame = new JFrame("bar");
     Container container = jFrame.getContentPane();

     JLabel top = new JLabel("刻度:",JLabel.CENTER);
     JPanel center = new JPanel();
     center.add(new JLabel(new ImageIcon(FrameTest.class.getResource("./bpm.png"))));

     JScrollBar down = new JScrollBar(JScrollBar.HORIZONTAL,0,10,0,300);
     JScrollBar right = new JScrollBar(JScrollBar.VERTICAL,0,10,0,200);
     down.setUnitIncrement(5);
     down.setBlockIncrement(10);
     right.setUnitIncrement(2);
     right.setBlockIncrement(5);
     down.addAdjustmentListener(addBarAction(top,right,down));
     right.addAdjustmentListener(addBarAction(top,right,down));

     container.add(down,BorderLayout.SOUTH);
     container.add(right,BorderLayout.EAST);
     container.add(top,BorderLayout.NORTH);
     container.add(center,BorderLayout.CENTER);

     jFrame.setVisible(true);
     jFrame.setSize(300,200);
 }
 public AdjustmentListener addBarAction(JLabel label,JScrollBar vbar,JScrollBar hbar){
     return new AdjustmentListener() {
         @Override
         public void adjustmentValueChanged(AdjustmentEvent e) {
             if((JScrollBar)e.getSource() == vbar){
                 label.setText("垂直刻度: " + e.getValue());
             }
             else if((JScrollBar)e.getSource() == hbar){
                 label.setText("水平刻度: " + e.getValue());
             }
         }
     };
 }

标签与按钮

Border

 public void border(){
     Color[] colors = {
             Color.RED,Color.ORANGE,Color.YELLOW,Color.GREEN,Color.CYAN,Color.BLUE,Color.MAGENTA
     };
     JFrame jFrame = new JFrame("border");
     Container container = jFrame.getContentPane();
     JButton btn = new JButton("toggle");
     btn.setPreferredSize(new Dimension(100,30));
     btn.addActionListener(new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent e) {
             int i = new Random().nextInt(7);
             btn.setBorder(BorderFactory.createTitledBorder(BorderFactory.createLineBorder(colors[i],3),"toggle", TitledBorder.CENTER,TitledBorder.CENTER,null,colors[i%6+1]));
         }
     });

     container.add(btn);
     jFrame.setVisible(true);
     jFrame.setSize(300,100);
 }

Icon

 public void imageIcon(){
     JFrame jFrame = new JFrame("icon");
     Container container = jFrame.getContentPane();
     JLabel label = new JLabel();
     label.setIcon(new ImageIcon(FrameTest.class.getResource("./bpm.png")));
     label.setPreferredSize(new Dimension(100,50));
     label.setBorder(BorderFactory.createLineBorder(Color.MAGENTA,3));
     //label.setBorder(BorderFactory.createTitledBorder(BorderFactory.createLineBorder(Color.MAGENTA,3),"label"));

     Box box = Box.createHorizontalBox();
     box.add(Box.createHorizontalGlue());
     box.add(label);
     box.add(Box.createHorizontalGlue());
     container.setLayout(new GridLayout(3,1));
     container.add(new JLabel());
     container.add(box);
     jFrame.setSize(300,200);
     jFrame.setVisible(true);
 }

 public void imageIconByte(){
     JFrame jFrame = new JFrame("byte");
     Container container = jFrame.getContentPane();
     URL url = FrameTest.class.getResource("./bpm.png");
     System.out.println(url.getPath());
     File file = new File(url.getPath());
     InputStream input = null;
     int length = (int)file.length();
     byte[] buff = new byte[length];
     try {
         input = new FileInputStream(file);
         input.read(buff);
     } catch (Exception e) {
         e.printStackTrace();
     } finally {
         try {
             input.close();
         } catch (Exception e) {
             e.printStackTrace();
         }
     }
     //for(byte a : buff) System.out.print((char)a);
     ImageIcon icon = new ImageIcon(buff);
     JButton b = new JButton(icon);
     container.add(b);

     jFrame.setVisible(true);
     jFrame.setSize(200,100);
 }

 //创建纯色图片
 public Image getPureImage(Color color,int w,int h){
     BufferedImage image = new BufferedImage(w,h,BufferedImage.TYPE_INT_BGR);
     Graphics g = image.getGraphics();
     g.setColor(color);
     g.fillRect(0,0,w,h);
     return image;
 }
 //创建文字图片
 public ImageIcon getImageIcon2D(Image image,String title,Font font,Color fontColor){
     Graphics2D g2d = (Graphics2D) image.getGraphics();
     ImageIcon icon = new ImageIcon(image);
     if(title != null && title.length() > 0) {
         if(font == null) font = new Font("宋体",Font.LAYOUT_LEFT_TO_RIGHT,20);
         if(fontColor == null) fontColor = Color.BLACK;
         double width = font.getStringBounds(title, g2d.getFontRenderContext()).getWidth();
         double height = width/title.length();
         g2d.setFont(font);
         g2d.setColor(fontColor);
         long x = Math.round((icon.getIconWidth() - width)/2);
         long y = Math.round((icon.getIconHeight() + height)/2);
         g2d.drawString(title,x,y);
     }
     return icon;
 }

JLabel

 public void jLabel(){
     JFrame jFrame = new JFrame("label");
     Container container = jFrame.getContentPane();

     JLabel jLabel = new JLabel();
     jLabel.setText("label");
     jLabel.setHorizontalAlignment(JLabel.CENTER);
     jLabel.setVerticalAlignment(JLabel.BOTTOM);

     container.add(jLabel);
     jFrame.setSize(300,200);
     jFrame.setVisible(true);
 }

JButton

 public void jButton(){
     JFrame jFrame = new JFrame("button");
     Container container = jFrame.getContentPane();
     container.setLayout(new FlowLayout());

     JButton b = new JButton("确定",new ImageIcon(getPureImage(Color.MAGENTA,80,40)));
     b.setRolloverEnabled(true);
     b.setRolloverIcon(new ImageIcon(getPureImage(Color.RED,80,40)));
     b.setPressedIcon(new ImageIcon(getPureImage(Color.BLUE,80,40)));
     b.setHorizontalTextPosition(JButton.CENTER);
     b.setPreferredSize(new Dimension(80,40));
     container.add(b);
     jFrame.setVisible(true);
     jFrame.setSize(300,100);
 }

 //设置按钮快捷键
 public void DefaultShortcut(){
     JFrame jFrame = new JFrame("default enter");
     Container container = jFrame.getContentPane();
     container.setLayout(new GridLayout(1,2));
     JButton btn1 = new JButton("first");
     JButton btn2 = new JButton("second");
     ActionListener action = new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent e) {
             System.out.println(e.getActionCommand());
             if(e.getSource() == btn1){
                 JFrame jFrame1 = new JFrame("first");
                 jFrame1.setBounds(100,100,300,200);
                 jFrame1.setVisible(true);
             }
             else if(e.getSource() == btn2){
                 JFrame jFrame1 = new JFrame("second");
                 jFrame1.setBounds(150,150,300,200);
                 jFrame1.setVisible(true);
             }
         }
     };
     btn1.addActionListener(action);
     btn2.addActionListener(action);
     btn2.setMnemonic('S');

     container.add(btn1);
     container.add(btn2);
     jFrame.getRootPane().setDefaultButton(btn1);
     jFrame.setVisible(true);
     jFrame.setSize(300,200);
 }
 //设置按钮快捷键
 public void jButtonShortcut(){
     JFrame jframe = new JFrame("shortcut");
     Container container = jframe.getContentPane();

     JButton btn = new JButton("Open new window");
     btn.setMnemonic('O');
     btn.addActionListener(new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent e) {
             System.out.println("Open new window");
             JFrame jFrame = new JFrame("new window");
             jFrame.setVisible(true);
             jFrame.setBounds(100,100,300,200);
         }
     });

     container.add(btn);
     jframe.setSize(300,200);
     jframe.setVisible(true);

 }

JToggleButton

 public void toggleButton(){
     JFrame jFrame = new JFrame("toggle");
     Container container = jFrame.getContentPane();
     container.setLayout(new GridLayout(1,3));
     JToggleButton tbtn1 = new JToggleButton("first");
     JToggleButton tbtn2 = new JToggleButton("second");
     JToggleButton tbtn3 = new JToggleButton("third");

     container.add(tbtn1);
     container.add(tbtn2);
     container.add(tbtn3);

     jFrame.setVisible(true);
     jFrame.setSize(300,200);
 }

表单组件

JCheckBox

 public void jCheckBox(){
     JFrame jFrame  = new JFrame("checkBox");
     Container container = jFrame.getContentPane();
     container.setLayout(new GridLayout(3,1));

     JCheckBox checkBox1 = new JCheckBox("first");
     JCheckBox checkBox2 = new JCheckBox("second");
     JCheckBox checkBox3 = new JCheckBox("third");

     ItemListener itemListener = new ItemListener() {
         @Override
         public void itemStateChanged(ItemEvent e) {
             if(e.getStateChange() == e.SELECTED){
                 System.out.println(((JCheckBox)e.getItem()).getText());
             }
         }
     };
     checkBox1.addItemListener(itemListener);
     checkBox2.addItemListener(itemListener);
     checkBox3.addItemListener(itemListener);
     container.add(checkBox1);
     container.add(checkBox2);
     container.add(checkBox3);

     jFrame.setVisible(true);
     jFrame.setSize(300,200);
 }

JRadioButton

 public void jRadioButton(){
     JFrame jFrame = new JFrame("radio");
     Container container = jFrame.getContentPane();

     JRadioButton btn1 = new JRadioButton("male");
     JRadioButton btn2 = new JRadioButton("female");
     JPanel jPanel = new JPanel(new GridLayout(3,1));
     jPanel.add(btn1);
     jPanel.add(btn2);
     ButtonGroup group = new ButtonGroup();
     group.add(btn1);
     group.add(btn2);

     container.add(jPanel);
     jFrame.setSize(300,200);
     jFrame.setVisible(true);
 }

JList

 public void jList(){
     JFrame jFrame = new JFrame();
     Container container = jFrame.getContentPane();
     Vector<String> vector = new Vector<>();
     Vector<String> vector2 = new Vector<>();

     String sql = "SELECT * FROM NBL_TEST_ONE";
     String sql_son = "SELECT * FROM NBL_TEST_ONE_SON";
     Connection conn = JdbcUtils.getConnection();
     try {
         PreparedStatement statement = conn.prepareStatement(sql);
         ResultSet res = statement.executeQuery();
         while(res.next())
             vector.add(res.getString("NAME"));

         ResultSet ress = conn.prepareStatement(sql_son).executeQuery();
         while(ress.next())
             vector2.add(ress.getString("SNAME"));
     } catch (SQLException e) {
         e.printStackTrace();
     }

     JList<String> list = new JList<>(vector);
     JList<String> list2 = new JList<>(vector2);

     list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
     list.addListSelectionListener(new ListSelectionListener() {
         @Override
         public void valueChanged(ListSelectionEvent e) {
             String name = list.getSelectedValue();
             list2.setSelectedValue(name,false);
         }
     });

     JPanel jPanel = new JPanel(new BorderLayout());
     JPanel jPanel2 = new JPanel(new BorderLayout());
     jPanel.setPreferredSize(new Dimension(150,200));
     jPanel.add(list);
     jPanel2.setPreferredSize(new Dimension(150,200));
     jPanel2.add(list2);

     JSplitPane jSplitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,jPanel,jPanel2);
     jSplitPane.setDividerLocation(0.5);
     container.add(jSplitPane);

     jFrame.setVisible(true);
     jFrame.pack();
 }

 public void jListModel(){
     JFrame jFrame = new JFrame("listModel");
     Container container = jFrame.getContentPane();

     JPanel panel1 = new JPanel(new BorderLayout());
     JPanel panel2 = new JPanel(new BorderLayout());

     Vector<String> vector = new Vector<>();
     vector.add("A");
     vector.add("B");
     vector.add("C");
     vector.add("D");
     vector.add("E");
     vector.add("F");

     ListModel<String> model = new AbstractListModel<String>() {
         @Override
         public int getSize() {
             return vector.size();
         }

         @Override
         public String getElementAt(int index) {
             return vector.get(index);
         }
     };

     ListModel<String> model1 = new DefaultListModel<String>(){
         {
             addElement("O");
             addElement("P");
             addElement("E");
             addElement("N");
             addElement("C");
             addElement("A");
         }
     };

     JList<String> list1 = new JList<>(model);
     JList<String> list2 = new JList<>(model1);

     list1.addListSelectionListener(new ListSelectionListener() {
         @Override
         public void valueChanged(ListSelectionEvent e) {

         }
     });

     panel1.add(list1);
     panel2.add(list2);
     panel1.setPreferredSize(new Dimension(150,200));
     panel2.setPreferredSize(new Dimension(150,200));
     JSplitPane jSplitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,panel1,panel2);
     jSplitPane.setDividerLocation(0.5);
     container.add(jSplitPane);

     jFrame.setVisible(true);
     jFrame.pack();
 }

 public void jListClick(){
     JFrame jFrame = new JFrame("click");
     Container container = jFrame.getContentPane();

     DefaultListModel<String> model = new DefaultListModel<String>(){
         {
             addElement("A");
             addElement("B");
             addElement("C");
             addElement("D");
             addElement("E");
         }
     };
     DefaultListModel<String> model1 = new DefaultListModel<>();
     JList<String> jList = new JList<>(model);
     JList<String> jList1 = new JList<>(model1);
     jList.setPreferredSize(new Dimension(150,200));
     jList1.setPreferredSize(new Dimension(150,200));

     MouseAdapter mouseAdapter = new MouseAdapter() {
         @Override
         public void mouseClicked(MouseEvent e) {
             if(e.getClickCount() == 2){ //双击
                 if(e.getSource() == jList) {
                     int index = jList.locationToIndex(e.getPoint());
                     model1.addElement(model.getElementAt(index));
                     model.removeElementAt(index);
                 }
                 else if(e.getSource() == jList1){
                     int index = jList1.locationToIndex(e.getPoint());
                     model.addElement(model1.getElementAt(index));
                     model1.removeElementAt(index);
                 }
             }
         }
     };

     jList.addMouseListener(mouseAdapter);
     jList1.addMouseListener(mouseAdapter);

     JSplitPane jSplitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,jList,jList1);
     jSplitPane.setDividerLocation(0.5);

     container.add(jSplitPane);
     jFrame.setVisible(true);
     jFrame.pack();
 }

JComboBox

 public void jComboBox(){
     JFrame jFrame = new JFrame("comboBox");
     Container container = jFrame.getContentPane();

     Vector<String> vector1 = new Vector<>();
     Vector<String> vector2 = new Vector<>();
     vector1.add("A");
     vector1.add("B");
     vector1.add("C");
     vector2.add("D");
     vector2.add("E");
     vector2.add("F");

     JComboBox<String> comboBox1 = new JComboBox<>(vector1);
     JComboBox<String> comboBox2 = new JComboBox<>(vector2);
     JPanel jPanel = new JPanel();
     ((FlowLayout)jPanel.getLayout()).setAlignment(FlowLayout.LEFT);
     //jPanel.setLayout(new FlowLayout(FlowLayout.LEFT));
     jPanel.add(comboBox1);
     jPanel.add(comboBox2);

     container.add(jPanel);
     jFrame.setVisible(true);
     jFrame.setSize(300,200);
 }

 public void jComboBoxModel(){
     JFrame jFrame = new JFrame("model");
     Container container = jFrame.getContentPane();

     class CustomComboBoxModel extends AbstractListModel<String> implements ComboBoxModel<String>{
         String[] arr = {"A","B","C","D"};
         String item = null;
         @Override
         public int getSize() {
             return arr.length;
         }

         @Override
         public String getElementAt(int index) {
             return arr[index];
         }

         @Override
         public void setSelectedItem(Object anItem) {
             item = anItem.toString();
         }

         @Override
         public Object getSelectedItem() {
             return item;
         }
     }
     ComboBoxModel<String> model = new CustomComboBoxModel();

     JComboBox<String> comboBox1 = new JComboBox<>(model);
     JComboBox<String> comboBox2 = new JComboBox<>(model);

     //设置可编辑
     comboBox1.setEditable(true);
     ComboBoxEditor editer = comboBox1.getEditor();
     comboBox1.configureEditor(editer,"ABC");
     //事件
     comboBox1.addActionListener(new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent e) {
             System.out.println(comboBox1.getSelectedItem());
         }
     });
     comboBox1.addItemListener(new ItemListener() {
         @Override
         public void itemStateChanged(ItemEvent e) {
             System.out.println(e.getItem().toString());
         }
     });

     Box box = Box.createHorizontalBox();
     box.add(comboBox1);
     box.add(comboBox2);

     container.add(box);
     container.setLayout(new FlowLayout(FlowLayout.LEFT));
     jFrame.setSize(300,200);
     jFrame.setVisible(true);
 }

表格

JTable

 public void jTable(){
     JFrame jFrame = new JFrame("table");
     Container container = jFrame.getContentPane();

     Vector<Vector><String>> vectors = new Vector<>();
     Vector<String> names = new Vector<>();

     String sql = "SELECT * FROM NBL_TEST_ONE";
     //String sql = "select * from NBL_IMPBPCMASTER_DTL";
     Connection conn = JdbcUtils.getConnection();
     try {
         PreparedStatement pre =conn.prepareStatement(sql);
         ResultSet rs = pre.executeQuery();
         ResultSetMetaData rsd = rs.getMetaData();
         for(int i = 1 ; i <= rsd.getColumnCount(); ++i)
             names.add(rsd.getColumnName(i));
         while(rs.next()){
             Vector<String> vector = new Vector<>();
             for(String n : names)
                 vector.add(rs.getString(n));
             vectors.add(vector);
         }

     } catch (SQLException e) {
         e.printStackTrace();
     }

     JTable table = new JTable(vectors,names);
     //table.setPreferredScrollableViewportSize(new Dimension(500,30));
     table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
     TableColumnModel model = table.getColumnModel();
     for(int i = 0 ; i< model.getColumnCount() ; ++i){
         TableColumn column = model.getColumn(i);
         if((column.getModelIndex() & 1) == 0)
             column.setPreferredWidth(100);
         else
             column.setPreferredWidth(50);
     }
     table.getTableHeader().setForeground(Color.gray);
     JScrollPane jScrollPane = new JScrollPane(table);
     container.add(jScrollPane);
     jFrame.setVisible(true);
     jFrame.setSize(300,200);
 }

TableModel

 public void jTableModel(){
     JFrame jFrame = new JFrame("tableModel");
     Container container = jFrame.getContentPane();

     TableModel model = new AbstractTableModel() {
         Object[][] p = {
                 {new Integer(1),"Tom","110",new Boolean(true)},
                 {new Integer(2),"Jerry","120",new Boolean(false)},
                 {new Integer(3),"Sinba","130",new Boolean(true)}
         };
         String[] names = {"编号","名字","电话","选择"};
         Class[] classs = {Integer.class,String.class,String.class,Boolean.class};

         @Override
         public boolean isCellEditable(int rowIndex, int columnIndex) {
             return true;
         }

         @Override
         public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
             p[rowIndex][columnIndex] = aValue;
             fireTableCellUpdated(rowIndex,columnIndex);
         }

         @Override
         public Class<?> getColumnClass(int columnIndex) {
             return classs[columnIndex];
         }

         @Override
         public int getRowCount() {
             //return vectors.size();
             return p.length;
         }

         @Override
         public int getColumnCount() {
             //return names.size();
             return names.length;
         }

         @Override
         public String getColumnName(int column) {
             //return names.get(column);
             return names[column];
         }

         @Override
         public Object getValueAt(int rowIndex, int columnIndex) {
             //return vectors.get(rowIndex).get(columnIndex);
             return p[rowIndex][columnIndex];
         }
     };
     JTable jTable = new JTable(model);
     //jTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
     //TableColumnModel columnModel = jTable.getColumnModel();
     //columnModel.getColumn(1).setCellEditor(new DefaultCellEditor(new JComboBox(new String[]{"A","B"})));
     JScrollPane jScrollPane = new JScrollPane(jTable);

     container.add(jScrollPane);
     jFrame.setVisible(true);
     jFrame.setSize(300,200);
 }

文字输入组件

JTextField

 public void jTextField(){
     JFrame jFrame = new JFrame("textField");
     Container container = jFrame.getContentPane();

     JLabel l1 = new JLabel("name:");
     JLabel l2 = new JLabel("gender:");
     JLabel l3 = new JLabel("phone:");
     JLabel l4 = new JLabel("email:");
     JTextField t1 = new JTextField("Tom");
     JTextField t2 = new JTextField("male");
     JTextField t3 = new JTextField("110222020202");
     JTextField t4 = new JTextField("1233233");
     JPanel jPanel = new JPanel(new GridBagLayout());
     GridBagConstraints gbc = new GridBagConstraints();//new GridBagConstraints(0,0,1,1,0.0,0.0,GridBagConstraints.EAST,GridBagConstraints.BOTH,new Insets(5,5,5,5),0,0);
     gbc.anchor = GridBagConstraints.WEST;
     gbc.insets = new Insets(5,5,5,5);
     jPanel.add(l1,gbc);
     gbc.gridx = 1;
     jPanel.add(t1,gbc);
     gbc.gridx = 0;
     gbc.gridy = 1;
     jPanel.add(l2,gbc);
     gbc.gridx = 1;
     jPanel.add(t2,gbc);
     gbc.gridx = 0;
     gbc.gridy = 2;
     jPanel.add(l3,gbc);
     gbc.gridx = 1;
     jPanel.add(t3,gbc);
     gbc.gridx = 0;
     gbc.gridy = 3;
     jPanel.add(l4,gbc);
     gbc.gridx = 1;
     jPanel.add(t4,gbc);

     container.setLayout(new BorderLayout());
     container.add(jPanel);
     jFrame.setVisible(true);
     jFrame.pack();
 }

 public void jTextFieldDocument(){
     JFrame jFrame = new JFrame("document");
     Container container = jFrame.getContentPane();

     JLabel label = new JLabel("title");
     Document doc = new PlainDocument(){
         @Override
         public void insertString(int offs, String str, AttributeSet a) throws BadLocationException {
             if(getLength() + str.length() < 5)
                 super.insertString(offs, str, a);
             else
                 System.out.println("MAX");
         }
     };
     JTextField textField = new JTextField(doc,"",5);
     textField.addActionListener(new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent e) {
             System.out.println(e.getActionCommand()
             );
         }
     });

     JPanel panel = new JPanel(new GridLayout(1,2));
     panel.add(label);
     panel.add(textField);

     container.setLayout(new FlowLayout());
     container.add(panel);

     jFrame.setVisible(true);
     jFrame.setSize(300,200);
 }

JTextArea

 public void jTextArea(){
     JFrame jFrame = new JFrame("textArea");
     Container container = jFrame.getContentPane();

     JTextArea textArea = new JTextArea(3,10);
     textArea.setFont(new Font("宋体",Font.BOLD,16));
     JPanel panel = new JPanel(new GridLayout(1,3));

     JButton btn1 = new JButton("复制");
     JButton btn2 = new JButton("粘贴");
     JButton btn3 = new JButton("剪切");
     ActionListener listener = new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent e) {
             if(e.getSource() == btn1) {
                 textArea.select(0,textArea.getText().length());
                 textArea.copy();
             }
             else if(e.getSource() == btn2) textArea.paste();
             else if(e.getSource() == btn3) textArea.cut();
             else ;
         }
     };
     btn1.addActionListener(listener);
     btn2.addActionListener(listener);
     btn3.addActionListener(listener);
     panel.add(btn1);
     panel.add(btn2);
     panel.add(btn3);

     container.add(new JScrollPane(textArea),BorderLayout.CENTER);
     container.add(panel,BorderLayout.SOUTH);

     jFrame.setSize(300,200);
     jFrame.setVisible(true);
 }

 UndoableEdit edit = null;
 public void jTextAreaUndo(){
     JFrame jFrame = new JFrame("Undo,Redo");
     Container container = jFrame.getContentPane();

     JTextArea textArea = new JTextArea();
     JMenuBar bar = new JMenuBar();
     JMenu menu = new JMenu("Edit");
     JMenuItem item1 = new JMenuItem("Undo");
     JMenuItem item2 = new JMenuItem("Redo");
     item1.setEnabled(false);
     item2.setEnabled(false);
     menu.add(item1);
     menu.add(item2);
     bar.add(menu);

     UndoableEditListener undoableEditListener = new UndoableEditListener() {
         @Override
         public void undoableEditHappened(UndoableEditEvent e) {
             edit = e.getEdit();
             updateItem(item1,item2);
         }
     };

     ActionListener actionListener = new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent e) {
             if(e.getSource() == item1) edit.undo();
             else if(e.getSource() == item2) edit.redo();
             updateItem(item1,item2);
         }
     };
     textArea.getDocument().addUndoableEditListener(undoableEditListener);
     textArea.getDocument().addDocumentListener(new DocumentListener() {
         @Override
         public void insertUpdate(DocumentEvent e) {
             DocumentEvent.ElementChange change = e.getChange(textArea.getDocument().getDefaultRootElement());
             if(change != null)
                 System.out.println("第"+(change.getIndex()+1)+"行");
         }

         @Override
         public void removeUpdate(DocumentEvent e) {

         }

         @Override
         public void changedUpdate(DocumentEvent e) {

         }
     });
     item1.addActionListener(actionListener);
     item2.addActionListener(actionListener);

     container.add(textArea);

     jFrame.setJMenuBar(bar);
     jFrame.setVisible(true);
     jFrame.setSize(300,200);
 }
 public void updateItem(JMenuItem item1, JMenuItem item2){
     item1.setEnabled(edit.canUndo());
     item2.setEnabled(edit.canRedo());
     item1.setText(edit.getUndoPresentationName());
     item2.setText(edit.getRedoPresentationName());
 }

JEditorPane

 public void jEditorPane(){
     JFrame jFrame = new JFrame("EditorPane");
     Container container = jFrame.getContentPane();
     URL url = null;
     JEditorPane editorPane = null;
     try {
         url = new URL("https://www.baidu.com");
         editorPane = new JEditorPane(url);
     } catch(Exception e){
         e.printStackTrace();
     }
     final JEditorPane editorPage = editorPane;
     editorPane.setEditable(false);
     editorPane.addHyperlinkListener((HyperlinkEvent e) ->{
         if(e.getEventType() == HyperlinkEvent.EventType.ACTIVATED){
             try {
                 editorPage.setPage(e.getURL());
             } catch (IOException e1) {
                 e1.printStackTrace();
             }
         }
     });

     JScrollPane scrollPane = new JScrollPane(editorPane);
     container.add(scrollPane);
     jFrame.setVisible(true);
     jFrame.setSize(300,200);
 }

JTextPane(富文本框)

 public void JTextPane(){
     JFrame frame = new JFrame("TextPane");
     Container container = frame.getContentPane();

     JTextPane textPane = new JTextPane();
     Document doc = textPane.getDocument();
     //属性设置
     SimpleAttributeSet attributeSet = new SimpleAttributeSet();
     StyleConstants.setForeground(attributeSet,Color.RED);//添加属性前景色
     StyleConstants.setBold(attributeSet,true);//加粗
     StyleConstants.setFontSize(attributeSet,20);//字体大小
     try {
         textPane.setEditable(false);//不可编辑
         doc.insertString(doc.getLength(),"红色加粗20",attributeSet);

         StyleConstants.setForeground(attributeSet,Color.BLUE);//添加属性前景色
         StyleConstants.setBold(attributeSet,false);//加粗
         StyleConstants.setFontSize(attributeSet,15);//字体大小
         StyleConstants.setUnderline(attributeSet,true);//下划线
         StyleConstants.setItalic(attributeSet,true); //斜体
         doc.insertString(doc.getLength(),"蓝色不加粗下划线斜体15",attributeSet);

     } catch (BadLocationException e) {
         e.printStackTrace();
     }

     container.add(textPane);
     frame.setVisible(true);
     frame.setSize(300,200);
 }

目录树

JTree

 public void jTree(){
     JFrame jFrame = new JFrame("Tree");
     Container container = jFrame.getContentPane();

     JTree jTree = new JTree();
     container.add(jTree);

     jFrame.setVisible(true);
     jFrame.setSize(300,200);
 }

Hashtable构造JTree

 public void jTreeHashTable(){
     JFrame jFrame = new JFrame("hashtable");
     Container container = jFrame.getContentPane();

     Hashtable<String,Object> table = new Hashtable<>();
     Hashtable<String,String[]> table2 = new Hashtable<>();
     table2.put("UK",new String[]{"U","K"});
     table2.put("France",new String[]{"F","R","A","N","C","E"});

     table.put("China",new String[]{"C","H","I","N","A"});
     table.put("Europe",table2);
     table.put("USA",new String[]{"U","S","A"});

     JTree jTree = new JTree(table);
     container.add(jTree);

     jFrame.setVisible(true);
     jFrame.setSize(300,200);
 }

TreeNode构造JTree

 public void jTreeNode(){
     JFrame jFrame = new JFrame("TreeNode");
     Container container = jFrame.getContentPane();

     DefaultMutableTreeNode root = (DefaultMutableTreeNode) getRoot();

     JTree jTree = new JTree(root);

     JScrollPane jScrollPane = new JScrollPane(jTree,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
     container.add(jScrollPane);

     jFrame.setSize(300,200);
     jFrame.setVisible(true);
 }
 public TreeNode getRoot(){
     DefaultMutableTreeNode root = new DefaultMutableTreeNode("root");
     DefaultMutableTreeNode a = new DefaultMutableTreeNode("CHINA");
     DefaultMutableTreeNode b = new DefaultMutableTreeNode("EUROPE");
     DefaultMutableTreeNode c = new DefaultMutableTreeNode("USA");
     root.add(a);
     root.add(b);
     root.add(c);
     a.add(new DefaultMutableTreeNode("C"));
     a.add(new DefaultMutableTreeNode("H"));
     a.add(new DefaultMutableTreeNode("I"));
     a.add(new DefaultMutableTreeNode("N"));
     a.add(new DefaultMutableTreeNode("A"));
     c.add(new DefaultMutableTreeNode("U"));
     c.add(new DefaultMutableTreeNode("S"));
     c.add(new DefaultMutableTreeNode("A"));
     DefaultMutableTreeNode ba = new DefaultMutableTreeNode("FRANCE");
     DefaultMutableTreeNode bb = new DefaultMutableTreeNode("UK");
     ba.add(new DefaultMutableTreeNode("F"));
     ba.add(new DefaultMutableTreeNode("R"));
     ba.add(new DefaultMutableTreeNode("A"));
     ba.add(new DefaultMutableTreeNode("N"));
     ba.add(new DefaultMutableTreeNode("C"));
     ba.add(new DefaultMutableTreeNode("E"));
     bb.add(new DefaultMutableTreeNode("U"));
     bb.add(new DefaultMutableTreeNode("K"));
     b.add(ba);
     b.add(bb);
     return root;
 }

TreeModel构造JTree

 public void jTreeModel(){
     JFrame jFrame = new JFrame();
     Container container = jFrame.getContentPane();

     DefaultTreeModel model = new DefaultTreeModel(getRoot());
     JTree jTree = new JTree(model);
     //jTree.putClientProperty("JTree.lineStyle","Horizontal");
     //jTree.putClientProperty("JTree.lineStyle","Angled");
     DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer)jTree.getCellRenderer();
     renderer.setLeafIcon(new ImageIcon(getPureImage(Color.GRAY,20,10)));

     jTree.addMouseListener(new MouseAdapter() {
         public void mouseClicked(MouseEvent e) {
             JTree tree = (JTree)e.getSource();
             TreePath path = tree.getPathForLocation(e.getX(),e.getY());
             if(path != null) {
                 TreeNode node = (TreeNode) path.getLastPathComponent();
                 //System.out.println(node.toString());
             }
         }
     });
     jTree.setEditable(true);
     TreeModel treeModel = jTree.getModel();
     treeModel.addTreeModelListener(new TreeModelAdapter(){
         @Override
         public void treeNodesChanged(TreeModelEvent e) {
             TreeNode node = (TreeNode)(e.getTreePath().getLastPathComponent());
             if(node != null){
                 TreeNode leaf = node.getChildAt(e.getChildIndices()[0]);
                 System.out.println(leaf.toString());
             }
         }
     });

     JScrollPane jScrollPane = new JScrollPane(jTree,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
     container.add(jScrollPane);
     try {
         UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
     } catch (Exception e) {
         e.printStackTrace();
     }
     jFrame.setVisible(true);
     jFrame.setSize(300,200);

 }

对话框(JOptionPane与JDialog)

菜单与工具栏

JMenu

 public void jOptionPaneMenuBar(){
     JFrame jFrame = new JFrame("dialog");
     Container container = jFrame.getContentPane();
     JPanel panel = new JPanel();
     ((FlowLayout)panel.getLayout()).setAlignment(FlowLayout.LEFT);
     JButton btn = new JButton("show");
     btn.addActionListener((ActionEvent e) ->{
         JOptionPane.showMessageDialog(jFrame,"错误","标题", JOptionPane.ERROR_MESSAGE);
     });
     panel.add(btn);
     container.add(panel);

     JMenuBar bar = new JMenuBar();
     JMenu menu = new JMenu("file",false);
     menu.setMnemonic('F');
     JMenuItem item1 = new JMenuItem("new");
     JMenuItem item2 = new JMenuItem("open");
     JMenuItem item3 = new JMenuItem("save");
     item1.setAccelerator(KeyStroke.getKeyStroke('N',java.awt.event.InputEvent.CTRL_DOWN_MASK,false));
     item2.setAccelerator(KeyStroke.getKeyStroke('O',java.awt.event.InputEvent.CTRL_DOWN_MASK,false));
     item3.setAccelerator(KeyStroke.getKeyStroke('S',java.awt.event.InputEvent.CTRL_DOWN_MASK,false));
     item1.setIcon(new ImageIcon(getPureImage(Color.RED,20,20)));
     item2.setIcon(new ImageIcon(getPureImage(Color.ORANGE,20,20)));
     item3.setIcon(new ImageIcon(getPureImage(Color.YELLOW,20,20)));
     item1.setHorizontalTextPosition(SwingConstants.RIGHT);
     item2.setHorizontalTextPosition(SwingConstants.RIGHT);
     item3.setHorizontalTextPosition(SwingConstants.RIGHT);

     item1.addActionListener((ActionEvent e) -> {
         System.out.println("new");
     });

     JMenu preMenu = new JMenu("Preferences");
     JMenuItem importItem = new JMenuItem("Import");
     JMenuItem exportItem = new JMenuItem("Export");
     preMenu.add(importItem);
     preMenu.add(exportItem);

     menu.add(item1);
     menu.add(item2);
     menu.add(item3);
     menu.addSeparator();
     menu.add(preMenu);

     //JCheckBoxMenuItem
     JMenu menu1 = new JMenu("Style");
     JCheckBoxMenuItem lItem = new JCheckBoxMenuItem("Left");
     JCheckBoxMenuItem cItem = new JCheckBoxMenuItem("Center");
     JCheckBoxMenuItem rItem = new JCheckBoxMenuItem("Right");
     JCheckBoxMenuItem jItem = new JCheckBoxMenuItem("Justify");
     lItem.setAccelerator(KeyStroke.getKeyStroke('L',InputEvent.ALT_DOWN_MASK,false));
     cItem.setAccelerator(KeyStroke.getKeyStroke('C',InputEvent.ALT_DOWN_MASK,false));
     rItem.setAccelerator(KeyStroke.getKeyStroke('R',InputEvent.ALT_DOWN_MASK,false));
     jItem.setAccelerator(KeyStroke.getKeyStroke('J',InputEvent.ALT_DOWN_MASK,false));
     menu1.add(lItem);
     menu1.add(cItem);
     menu1.add(rItem);
     menu1.add(jItem);

     //JRadioButtonMenuItem
     JMenu menu2 = new JMenu("Color");
     JRadioButtonMenuItem redItem = new JRadioButtonMenuItem("Red");
     JRadioButtonMenuItem yItem = new JRadioButtonMenuItem("Yellow");
     JRadioButtonMenuItem bItem = new JRadioButtonMenuItem("Blue");
     redItem.setAccelerator(KeyStroke.getKeyStroke('R',InputEvent.SHIFT_DOWN_MASK,false));
     ButtonGroup group = new ButtonGroup();
     group.add(redItem);
     group.add(yItem);
     group.add(bItem);
     menu2.add(redItem);
     menu2.add(yItem);
     menu2.add(bItem);

     bar.add(menu);
     bar.add(menu1);
     bar.add(menu2);
     //bar.setOpaque(false);

     Font font = new Font("宋体",Font.LAYOUT_LEFT_TO_RIGHT,15);
     JToolBar toolBar = new JToolBar();
     toolBar.setFloatable(true);
     AbstractAction action = new AbstractAction() {
         @Override
         public void actionPerformed(ActionEvent e) {
             System.out.println(e.getActionCommand());
         }
     };
     JButton btns;

     btns = toolBar.add(action);
     btns.setActionCommand("NEW");
     btns.setToolTipText("NEW");
     btns.setIcon(getImageIcon2D(getPureImage(Color.GRAY,50,30),"NEW",font,Color.RED));
     btns.setBorder(BorderFactory.createEmptyBorder());

     toolBar.addSeparator();
     btns = toolBar.add(action);
     btns.setActionCommand("OPEN");
     btns.setToolTipText("OPEN");
     btns.setIcon(getImageIcon2D(getPureImage(Color.GRAY,50,30),"OPEN",font,Color.RED));
     btns.setBorder(BorderFactory.createEmptyBorder());

     toolBar.addSeparator();
     btns = toolBar.add(action);
     btns.setActionCommand("CLOSE");
     btns.setToolTipText("CLOSE");
     btns.setIcon(getImageIcon2D(getPureImage(Color.GRAY,50,30),"CLOSE",font,Color.RED));
     btns.setBorder(BorderFactory.createEmptyBorder());

     JLabel fontStyle = new JLabel(getImageIcon2D(getPureImage(Color.GRAY,50,30),"FONT:",font,Color.GREEN));
     JComboBox comboBox = new JComboBox(new String[]{"A","B","C"});
     toolBar.addSeparator();
     toolBar.add(fontStyle);
     toolBar.add(comboBox);

     /*
     JButton btn1 = new JButton(getImageIcon2D(getPureImage(Color.GRAY,50,30),"NEW",font,Color.RED));
     JButton btn2 = new JButton(getImageIcon2D(getPureImage(Color.GRAY,50,30),"OPEN",font,Color.ORANGE));
     JButton btn3 = new JButton(getImageIcon2D(getPureImage(Color.GRAY,50,30),"CLOSE",font,Color.BLUE));
     JLabel fontStyle = new JLabel(getImageIcon2D(getPureImage(Color.GRAY,50,30),"FONT:",font,Color.GREEN));
     JComboBox comboBox = new JComboBox(new String[]{"A","B","C"});
     btn1.setBorder(BorderFactory.createEmptyBorder());
     btn2.setBorder(BorderFactory.createEmptyBorder());
     btn3.setBorder(BorderFactory.createEmptyBorder());
     toolBar.add(btn1);
     toolBar.addSeparator();
     toolBar.add(btn2);
     toolBar.addSeparator();
     toolBar.add(btn3);
     toolBar.addSeparator();
     toolBar.add(fontStyle);
     toolBar.add(comboBox);
     */

     container.add(bar,BorderLayout.NORTH);
     container.add(toolBar,BorderLayout.SOUTH);

     //panel.add(new JLabel(getImageIcon2D(getPureImage(Color.black,100,100),"测试",font,Color.WHITE)));

     jFrame.setVisible(true);
     //jFrame.setSize(300,200);
     jFrame.pack();
 }

JPopupMenu

 public void jPopupMenu(){
     JFrame jFrame = new JFrame("PopupMenu");
     Container container = jFrame.getContentPane();

     Font font = new Font("Microsoft YaHei",Font.LAYOUT_LEFT_TO_RIGHT,10);
     JPopupMenu popupMenu = new JPopupMenu();
     popupMenu.setBorder(BorderFactory.createLineBorder(Color.GRAY));
     AbstractAction action = new AbstractAction() {
         @Override
         public void actionPerformed(ActionEvent e) {
             System.out.println(e.getActionCommand());
         }
     };
     MouseAdapter mouse = new MouseAdapter() {
         @Override
         public void mouseEntered(MouseEvent e) {
             if(e.getSource() instanceof JMenuItem){
                 JMenuItem item = (JMenuItem) e.getSource();
                 item.setBackground(Color.BLUE);
                 item.setForeground(Color.WHITE);
             }
         }

         @Override
         public void mouseExited(MouseEvent e) {
             if(e.getSource() instanceof JMenuItem){
                 JMenuItem item = (JMenuItem) e.getSource();
                 item.setBackground(popupMenu.getBackground());
                 item.setForeground(Color.BLACK);
             }
         }
     };
     JMenuItem item;
     String title;
     item = popupMenu.add(action);
     popupMenu.add(item);
     item.setActionCommand(title = "NEW");
     item.setText(title);
     item.addMouseListener(mouse);
     item.setIcon(getImageIcon2D(getPureImage(Color.GRAY,30,20),title,font,Color.RED));

     item = popupMenu.add(action);
     item.setActionCommand(title = "OPEN");
     item.setText(title);
     item.addMouseListener(mouse);
     item.setIcon(getImageIcon2D(getPureImage(Color.GRAY,30,20),title,font,Color.RED));
     popupMenu.addSeparator();

     item = popupMenu.add(action);
     item.setActionCommand(title = "SAVE");
     item.setText(title);
     item.addMouseListener(mouse);
     item.setIcon(getImageIcon2D(getPureImage(Color.GRAY,30,20),title,font,Color.RED));

     JPanel panel = new JPanel();
     panel.add(popupMenu);
     container.add(panel);
     jFrame.addMouseListener(new MouseAdapter() {
         @Override
         public void mouseClicked(MouseEvent e) {
             if(e.getButton() == MouseEvent.BUTTON3) {
                 popupMenu.setVisible(true);
                 popupMenu.setLocation(e.getXOnScreen(), e.getYOnScreen());
             }
             else popupMenu.setVisible(false);
         }
     });

     jFrame.setSize(300,200);
     jFrame.setVisible(true);
 }

文件选择丶颜色选择丶分割线

JFileChooser

 public void jFileChooser(){
     try {
         //look and feel 使用Windows系统外观
         UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
     } catch (Exception e) {
         e.printStackTrace();
     }
     JFrame frame = new JFrame("fileChooser");
     Container container = frame.getContentPane();

     JMenuBar bar = new JMenuBar();
     JMenu menu = new JMenu("file");
     JMenuItem open = new JMenuItem("open");
     JMenuItem save = new JMenuItem("save");
     menu.add(open);
     menu.add(save);
     bar.add(menu);
     container.add(bar,BorderLayout.NORTH);

     JTextArea area = new JTextArea();
     JScrollPane scrollPane = new JScrollPane(area,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
     container.add(scrollPane);

     JFileChooser chooser = new JFileChooser("C:\\Users\\NBL\\Desktop\\web\\c");
     chooser.setFileFilter(new FileFilter() {
         String name;
         @Override
         public boolean accept(File f) {
             name = f.getName();
             int index = name.lastIndexOf('.');
             if(index >0 && index < name.length()-1){
                 String type = name.substring(index+1,name.length());
                 if("html".equals(type) || "txt".equals(type))
                     return true;
             }
             return false;
         }

         @Override
         public String getDescription() {
             return "*.txt *.html";
         }
     });
     chooser.setFileView(new FileView() {
         String name;
         @Override
         public Icon getIcon(File f) {
             name = f.getName();
             Font font = new Font("Microsoft YaHei",Font.LAYOUT_LEFT_TO_RIGHT,10);
             int index = name.lastIndexOf('.');
             if(index >0 && index < name.length()-1){
                 String type = name.substring(index+1,name.length());
                 if("html".equals(type))
                     return getImageIcon2D(getPureImage(Color.black,50,50),"网页",font,Color.MAGENTA);
                 else if("txt".equals(type))
                     return getImageIcon2D(getPureImage(Color.black,50,50),"文本",font,Color.red);
             }
             return getImageIcon2D(getPureImage(Color.black,50,50),"OTHER",font,Color.WHITE);
         }
     });
     //add event
     ActionListener action = e -> {
         File file;
         StringBuilder builder = new StringBuilder();
         BufferedReader reader = null;
         BufferedWriter writer = null;
         String command = e.getActionCommand();
         if("open".equals(command)){
             chooser.setDialogTitle("打开文件");
             chooser.setApproveButtonText("确定");
             int state = chooser.showOpenDialog(frame);
             if(state == JFileChooser.APPROVE_OPTION){
                 file = chooser.getSelectedFile();
                 try {
                     reader = new BufferedReader(new FileReader(file));
                     String str;
                     while((str = reader.readLine()) != null)
                         builder.append(str+System.getProperty("line.separator"));
                     area.setText(builder.toString());
                 } catch (Exception e1) {
                     e1.printStackTrace();
                 } finally {
                     try {
                         reader.close();
                     } catch (IOException e1) {
                         e1.printStackTrace();
                     }
                 }
             }
         }
         else if("save".equals(command)){
             chooser.setDialogTitle("存储文件");
             chooser.setApproveButtonText("保存");
             int state = chooser.showOpenDialog(frame);
             if(state == JFileChooser.APPROVE_OPTION){
                 file = chooser.getSelectedFile();
                 try {
                     writer = new BufferedWriter(new FileWriter(file));
                     writer.write(area.getText());
                 } catch (IOException e1) {
                     e1.printStackTrace();
                 } finally {
                     try {
                         writer.close();
                     } catch (IOException e1) {
                         e1.printStackTrace();
                     }
                 }
             }
         }
     };
     open.addActionListener(action);
     save.addActionListener(action);

     frame.setSize(300,200);
     frame.setVisible(true);
 }

JColorChooser

 public void jColorChooser(){
     try {
         UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
     } catch (Exception e) {
         e.printStackTrace();
     }
     JFrame frame = new JFrame("colorChooser");
     Container container = frame.getContentPane();
     JTextArea area = new JTextArea(5,30);
     container.add(area);

     JButton btn = new JButton("选择颜色");
     btn.addActionListener(e ->{
         Color color = JColorChooser.showDialog(frame,"选择颜色",area.getForeground());
         if(color != null){
             area.setForeground(color);
         }
     });
     JPanel panel = new JPanel(new FlowLayout(FlowLayout.LEFT));
     panel.add(btn);
     container.add(panel,BorderLayout.NORTH);

     //in container
     JToolBar toolBar = new JToolBar();
     JColorChooser colorChooser = new JColorChooser(Color.WHITE);
     AbstractColorChooserPanel[] chooserPanels = colorChooser.getChooserPanels();
     colorChooser.removeChooserPanel(chooserPanels[1]);
     colorChooser.removeChooserPanel(chooserPanels[2]);
     colorChooser.removeChooserPanel(chooserPanels[4]);
     colorChooser.getSelectionModel().addChangeListener(e -> {
         Color color = colorChooser.getColor();
         area.setForeground(color);
     });

     toolBar.add(colorChooser);
     container.add(toolBar,BorderLayout.EAST);

     //frame.setSize(300,200);
     frame.pack();
     frame.setVisible(true);
 }

JSeparator

 public void jSeparator(){
     JFrame frame = new JFrame("separator");
     Container container = frame.getContentPane();
     container.setLayout(new BorderLayout(1,2));
     JPanel panel = new JPanel(new GridLayout(2,1));
     panel.add(new JLabel("Horizontal"));
     panel.add(new JSeparator());

     JPanel panel1 = new JPanel(new GridLayout(1,2));
     panel1.add(new JLabel("<html>V<br/>e<br/>r<br/>t<br/>i<br/>c<br/>a<br/>l"));
     panel1.add(new JSeparator(JSeparator.VERTICAL));

     container.add(panel);
     container.add(panel1,BorderLayout.EAST);
     frame.setSize(300,200);
     frame.setVisible(true);
 }

滑动杆丶时间控制丶进度组件

JSlider

 public void jSlider(){
     /*     
     try {
         UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
     } catch (Exception e) {
         e.printStackTrace();
     }
     */
     JFrame frame = new JFrame("slider");
     Container container = frame.getContentPane();
     JPanel panel = new JPanel();
     JPanel panel1 = new JPanel();
     JPanel panel2 = new JPanel();
     panel.setBorder(BorderFactory.createLineBorder(Color.GRAY));
     panel1.setBorder(BorderFactory.createLineBorder(Color.GRAY));
     panel2.setBorder(BorderFactory.createLineBorder(Color.GRAY));
     JLabel label = new JLabel("当前刻度: ");
     JLabel label1 = new JLabel("当前刻度: ");
     JLabel label2 = new JLabel("当前刻度: ");
     JSlider slider = new JSlider(0,100);
     JSlider slider1 = new JSlider(0,100);
     JSlider slider2 = new JSlider(JSlider.VERTICAL,0,100,50);
     slider.setPaintTicks(true); //添加刻度
     slider.setMajorTickSpacing(30); //大刻度间距
     slider.setMinorTickSpacing(10); //小刻度间距
     slider.setPaintTrack(true); //是否显示滑动杆横杆(默认为true)
     slider.setPaintLabels(true); //绘制数字标记
     slider.setSnapToTicks(true);  //点击时一次移动一个小刻度
     slider.putClientProperty("JSlider.isFilled",true); //设置滑动杆左右2侧颜色不一样

     //自定义标记名称
     Hashtable<Integer,JLabel> table = new Hashtable<>();
     table.put(new Integer(30),new JLabel("低"));
     table.put(new Integer(60),new JLabel("中"));
     table.put(new Integer(90),new JLabel("高"));
     slider.setLabelTable(table);

     ChangeListener change = e -> {
         JSlider s = (JSlider) e.getSource();
         if(s == slider) label.setText("当前刻度: "+s.getValue());
         else if(s == slider1) label1.setText("当前刻度: "+s.getValue());
         else if(s == slider2) label2.setText("当前刻度: "+s.getValue());
     };
     slider.addChangeListener(change);
     slider1.addChangeListener(change);
     slider2.addChangeListener(change);
     slider2.setExtent(90);
     panel.add(label);
     panel.add(slider);
     panel1.add(label1);
     panel1.add(slider1);
     panel2.add(label2);
     panel2.add(slider2);
     panel.setPreferredSize(new Dimension(100,50));
     panel1.setPreferredSize(new Dimension(100,50));
     panel2.setPreferredSize(new Dimension(50,100));

     Box box = Box.createHorizontalBox();
     Box box1 = Box.createVerticalBox();
     Box box2 = Box.createVerticalBox();
     Box box3 = Box.createVerticalBox();
     Box box4 = Box.createVerticalBox();
     box.add(box1);
     box.add(box2);
     box1.add(box3);
     box1.add(box4);
     box3.add(panel);
     box4.add(panel1);
     box2.add(panel2);

     container.add(box);
     frame.setSize(400,300);
     frame.setVisible(true);
 }

Timer

已过时,推荐使用ScheduledThreadPoolExecutor替换

Timer timer;
int delay;
int index = 0;
public void Timer(){
  try {
      UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
  } catch (Exception e) {
      e.printStackTrace();
  }
  JFrame frame = new JFrame("Timer");
  Container container = frame.getContentPane();

  JPanel label = new JPanel();
  label.setBackground(Color.gray);
  JSlider slider = new JSlider(1000,10000);
  slider.setPaintTicks(true);
  slider.setPaintLabels(true);
  slider.setMinorTickSpacing(500);
  slider.setMajorTickSpacing(2000);
  slider.setSnapToTicks(true);
  JPanel panel = new JPanel();
  JButton start = new JButton("start");
  JButton reStart = new JButton("reStart");
  JButton repeats = new JButton("don't repeats");
  panel.add(start);
  panel.add(reStart);
  panel.add(repeats);

  Box box = Box.createVerticalBox();
  box.add(label);
  box.add(slider);

  Color[] colors = {Color.RED,Color.ORANGE,Color.YELLOW, Color.GREEN,Color.CYAN,Color.BLUE,Color.MAGENTA,Color.pink};
  //Event
  ActionListener action = e -> {
      String command = e.getActionCommand();
      if("start".equals(command)){
          delay = slider.getValue();
          timer = new Timer(delay,es->{   //Timer
              label.setBackground(colors[index++&7]);
          });
          start.setText("stop");
          timer.start();
      }
      else if("stop".equals(command)){
          start.setText("start");
          timer.stop();
      }
      else if("reStart".equals(command)){
          timer.restart();
      }
      else if("don't repeats".equals(command)){
          repeats.setText("repeats");
          timer.setRepeats(false);
      }
      else if("repeats".equals(command)){
          repeats.setText("don't repeats");
          timer.setRepeats(true);
          timer.restart();
      }
  };
  start.addActionListener(action);
  reStart.addActionListener(action);
  repeats.addActionListener(action);
  slider.addChangeListener(e -> {
      if(timer != null) timer.setDelay(slider.getValue());
  });

  container.add(box);
  container.add(panel,BorderLayout.SOUTH);

  frame.setSize(300,200);
  frame.setVisible(true);
}

Progress

 public void jProgressBar(){
     try {
         UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
     } catch (Exception e) {
         e.printStackTrace();
     }
     JFrame frame = new JFrame("progressBar");
     Container container = frame.getContentPane();
     container.setLayout(new GridLayout(3,1));
     JPanel panel = new JPanel();
     JButton btn = new JButton("start");
     panel.add(btn);

     //未覆盖前的进度条颜色
     UIManager.put("ProgressBar.selectionBackground",Color.WHITE);
     //覆盖后的进度条颜色
     UIManager.put("ProgressBar.selectionForeground",Color.BLACK);
     JProgressBar bar = new JProgressBar(0,100);
     bar.setOrientation(JProgressBar.HORIZONTAL); //水平进度条
     bar.setValue(0);
     bar.setStringPainted(true); //显示进度信息
     bar.setString("logging..."); //设置进度信息
     bar.setBorderPainted(false); //不显示边框
     bar.setForeground(Color.ORANGE); //前景色
     bar.setBackground(Color.GRAY);  //背景色

     JLabel label = new JLabel("当前进度: " + "0%");

     //Event
     Timer timer = new Timer(100,es -> {
         if(bar.getValue() < 100) {
             bar.setValue(bar.getValue() + 1);
             label.setText("当前进度: " + bar.getValue() + "%");
         }
         if(bar.getValue() == 100) bar.setString("complete");
     });

     btn.addActionListener(e->{
         String command = e.getActionCommand();
         if("start".equals(command)){
             timer.start();
             btn.setText("stop");
         }
         else if("stop".equals(command)){
             timer.stop();
             btn.setText("start");
         }
     });

     container.add(panel);
     container.add(bar);
     container.add(label);

     frame.setSize(300,200);
     frame.setVisible(true);
 }

 int ms = 0;
 public void progressMonitor(){
     JFrame frame = new JFrame("ProgressMonitor");
     Container container = frame.getContentPane();
     JPanel panel = new JPanel();
     JButton btn = new JButton("start");
     ProgressMonitor monitor = new ProgressMonitor(frame,"show Progress Mointor","",0,100);
     monitor.setNote("note");
     monitor.setProgress(0);
     monitor.setMillisToDecideToPopup(0);
     monitor.setMillisToPopup(1000);
     Timer timer = new Timer(50,e -> {
        monitor.setProgress(ms++);
     });
     btn.addActionListener(e -> {
         timer.start();
     });

     panel.add(btn);
     container.add(panel,BorderLayout.NORTH);

     frame.setSize(300,200);
     frame.setVisible(true);
 }

 public void progressMonitorInputStream(){
     try {
         UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
     } catch (Exception e) {
         e.printStackTrace();
     }
     JFrame frame = new JFrame();
     Container container = frame.getContentPane();

     JPanel panel = new JPanel();
     JButton btn = new JButton("start");
     panel.add(btn);
     JTextArea area = new JTextArea();
     JScrollPane scrollPane = new JScrollPane(area,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);

     container.add(panel,BorderLayout.NORTH);
     container.add(scrollPane);

     JFileChooser fileChooser = new JFileChooser();
     fileChooser.setMultiSelectionEnabled(false);
     //Event
     btn.addActionListener(e -> {
         int state = fileChooser.showOpenDialog(frame);
         if(state == JFileChooser.APPROVE_OPTION){
             new Thread(()->{
                 File file = fileChooser.getSelectedFile();
                 String str = "";
                 byte[] buff = new byte[1];

                 DecodeResult result = null;
                 byte[] buffers = null;

                 try {
                     ProgressMonitorInputStream monitorInputStream = new ProgressMonitorInputStream(frame,"Running...",new FileInputStream(file));
                     while(monitorInputStream.read(buff) != -1){
                         if(result != null && result.buffer != null) {
                             int remainL = result.buffer.length;
                             buffers = new byte[remainL + buff.length];
                             System.arraycopy(result.buffer,0,buffers,0,remainL);
                             System.arraycopy(buff,0,buffers,remainL,buff.length);
                         }
                         else {
                             buffers = new byte[buff.length];
                             System.arraycopy(buff,0,buffers,0,buffers.length);
                         }
                         result = decodeUTF8(buffers,buffers.length);
                         str += result.result;

                         //str += new String(buff,"UTF-8");
                         area.setText(str);
                         Thread.sleep(100);
                     }
                 } catch (Exception e1) {
                     e1.printStackTrace();
                 }
             }).start();
         }
     });

     frame.setSize(300,200);
     frame.setVisible(true);
 }

Look and Feel

选择系统环境,窗体会根据此环境显示相对应的界面

UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");

Bryson

https://brysonbs.github.io/2020/03/19/Java%20Swing/

本博客所有文章除特別声明外，均采用 CC BY 4.0 许可协议。转载请注明来源 Bryson !

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