文章目录

java awt,swing图形化界面代码案例合集

package Demo1;import java.awt.*;public class Demo1 {public static void main(String[] args) {//创建一个窗口对象Frame frame = new Frame("这里测试windows窗口");//指定窗口位置，大小frame.setLocation(100,100);frame.setSize(500,300);//色值窗口可见frame.setVisible(true);}}

package Demo1;import java.awt.*;public class Demo2 {public static void main(String[] args) {Frame frame = new Frame("计算器");//1.创建一个panel对象，里面存放一个textFiled组件Panel p = new Panel();p.add(new TextField(30));//2.把当前panel添加到frame的北边区域frame.add(p,BorderLayout.NORTH);//3.创建一个panel对象，并且设置他的布局管理为GridlayoutPanel p2 = new Panel();p2.setLayout(new GridLayout(3,3,4,4));for (int i = 0; i < 10; i++) {p2.add(new Button(i+""));}p2.add(new Button("+"));p2.add(new Button("-"));p2.add(new Button("*"));p2.add(new Button("/"));//5.把当前panel添加到frame中frame.add(p2);frame.pack();frame.setVisible(true);}}

package Demo1;import java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.nio.charset.UnmappableCharacterException;public class Demo3 {public static void main(String[] args) {Frame frame = new Frame("这里测试cardlayout");//1.创建一个panel，用来存储多个卡片Panel p1 = new Panel();//2.创建Cardlayout对象，并且把该对象设置给之前创建的容器CardLayout cardLayout = new CardLayout();p1.setLayout(cardLayout);//3.往panel中存储多个组件String[] names ={"A","B","C","D","E"};for (int i = 0; i <names.length; i++) {p1.add(names[i],new Button(names[i]));}//4.把panel放到frame的中间区域frame.add(p1);//5. 创建另外一个panel，p2，用来存储多个按钮组件Panel p2 = new Panel();//6.创建5个按钮组件Button b1 = new Button("privious");Button b2 = new Button("next");Button b3 = new Button("first");Button b4 = new Button("last");Button b5 = new Button("third");//7.创建一个事件监听器，监听按钮的点击动作ActionListener listener = new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {String actionCommand = e.getActionCommand();//这个字符就是按钮上的文字switch (actionCommand){case"privious":cardLayout.previous(p1);break;case"next":cardLayout.next(p1);break;case"first":cardLayout.first(p1);break;case"last":cardLayout.last(p1);break;case "third":cardLayout.show(p1,"C");break;}}};//8.把当前这个事件监听器和多个按钮绑定到一起b1.addActionListener(listener);b2.addActionListener(listener);b3.addActionListener(listener);b4.addActionListener(listener);b5.addActionListener(listener);//9.把按钮添加到容器p2中p2.add(b1);p2.add(b2);p2.add(b3);p2.add(b4);p2.add(b5);//10。把p2放在frame的南边区域frame.add(p2,BorderLayout.SOUTH);frame.pack();frame.setVisible(true);}}

package Demo1;import javax.swing.*;import java.awt.*;public class Demo4 {public static void main(String[] args){Frame frame = new Frame();//1.基于frame，创建一个boxlayout对象，并且垂直放置BoxLayout boxlayout = new BoxLayout(frame,BoxLayout.X_AXIS);//2.把Boxlayout设置给Frameframe.setLayout(boxlayout);//3.往frame中添加两个组件frame.add(new Button("button1"));frame.add(new Button("button2"));frame.pack();frame.setVisible(true);}}

package Demo1;import javax.swing.*;import java.awt.*;public class Demo5 {public static void main(String[] args) {Frame frame = new Frame("test");//1.创建一个水平排列的box容器Box b1 = Box.createHorizontalBox();//2.往容器里面添加两个按钮b1.add(new Button("button1"));b1.add(new Button("button2"));//3.创建一个垂直排列的容器Box b2 = Box.createVerticalBox();//4.往容器里面添加两个按钮b2.add(new Button("buttonA"));b2.add(new Button("buttonB"));//5.吧Box放入frame中frame.add(b1,BorderLayout.SOUTH);frame.add(b2,BorderLayout.NORTH);frame.pack();frame.setVisible(true);}}

package Demo1;import javax.swing.*;import java.awt.*;public class Demo6 {Frame frame = new Frame("这里测试基本组件");//定义一个按钮Button ok = new Button("确认");//定义一个复选框组CheckboxGroup cbg = new CheckboxGroup();//定义一个单选框，初始处于被选中状态,并添加到cbg组中Checkbox male = new Checkbox("男", cbg, true);//定义一个单选框，初始处于未被选中状态,并添加到cbg组中Checkbox female = new Checkbox("女", cbg, false);//定义一个复选框，初始处于未被选中状态Checkbox married = new Checkbox("是否已婚？", false);//定义一个下拉选择框Choice colorChooser = new Choice();//定义一个列表选择框List colorList = new List(6, true);//定义一个5行，20列的多行文本域TextArea ta = new TextArea(5, 20);//定义一个50列的单行文本域TextField tf = new TextField(50);public void init() {//往下拉选择框中添加内容colorChooser.add("红色");colorChooser.add("绿色");colorChooser.add("蓝色");//往列表选择框中添加内容colorList.add("红色");colorList.add("绿色");colorList.add("蓝色");//创建一个装载按钮和文本框的Panel容器Panel bottom = new Panel();bottom.add(tf);bottom.add(ok);//把bottom添加到Frame的底部frame.add(bottom,BorderLayout.SOUTH);//创建一个Panel容器，装载下拉选择框，单选框和复选框Panel checkPanel = new Panel();checkPanel.add(colorChooser);checkPanel.add(male);checkPanel.add(female);checkPanel.add(married);//创建一个垂直排列的Box容器，装载 多行文本域和checkPanelBox topLeft = Box.createVerticalBox();topLeft.add(ta);topLeft.add(checkPanel);//创建一个水平排列的Box容器，装载topLeft和列表选择框Box top = Box.createHorizontalBox();top.add(topLeft);top.add(colorList);//将top添加到frame的中间区域frame.add(top);//设置frame最佳大小并可见frame.pack();frame.setVisible(true);}public static void main(String[] args) {new Demo6().init();}}

package Demo1;import java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;public class Demo7 {Frame frame =new Frame("test");TextField tf = new TextField("30");Button ok = new Button("ok");public void init(){//组装视图//监听视图// MyLister myLister = new MyLister();//注册监听ok.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {tf.setText("hello pofen");}});//把tf和ok放入frameframe.add(tf,BorderLayout.NORTH);frame.add(ok,BorderLayout.SOUTH);frame.pack();frame.setVisible(true);}// private class MyLister implements ActionListener{//// @Override// public void actionPerformed(ActionEvent e) {// tf.setText("hello pofen");// }// }public static void main(String[] args) {new Demo7().init();}}

package Demo1;import java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.KeyEvent;public class Demo8 {private Frame frame = new Frame("test pofen");//创建菜单条MenuBar menuBar = new MenuBar();//创建菜单组件Menu filemenu = new Menu("文件");Menu editMenu = new Menu("编辑");Menu formatMenu = new Menu("格式");//菜单项组件MenuItem auto = new MenuItem("自动换行");MenuItem copy =new MenuItem("复制");MenuItem paste =new MenuItem("粘贴");MenuItem comment =new MenuItem("注释 ctrl+shift+q",new MenuShortcut(KeyEvent.VK_Q,true));//关联款快捷键MenuItem canceComment = new MenuItem("取消注释");TextArea textArea = new TextArea(6,40);public void init(){//组装视图comment.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {System.out.print("ok : ");textArea.append("你点了菜单项 "+ e.getActionCommand());}});formatMenu.add(comment);formatMenu.add(canceComment);editMenu.add(auto);editMenu.add(copy);editMenu.add(paste);editMenu.add(formatMenu);//组装菜单条menuBar.add(filemenu);menuBar.add(editMenu);//把菜单条放入到framen中menuBar.add(filemenu);frame.setMenuBar(menuBar);//设置frame最佳大小并且可见frame.pack();frame.setVisible(true);}public static void main(String[] args) {new Demo8().init();}}

package Demo1;import java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.KeyEvent;public class Demo9 {private Frame frame = new Frame("test pofen");//创建菜单条MenuBar menuBar = new MenuBar();//创建菜单组件Menu filemenu = new Menu("文件");Menu editMenu = new Menu("编辑");Menu formatMenu = new Menu("格式");//菜单项组件MenuItem auto = new MenuItem("自动换行");MenuItem copy =new MenuItem("复制");MenuItem paste =new MenuItem("粘贴");MenuItem comment =new MenuItem("注释 ",new MenuShortcut(KeyEvent.VK_Q,true));//关联款快捷键MenuItem canceComment = new MenuItem("取消注释");TextArea textArea = new TextArea(6,40);public void init(){//组装视图comment.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {System.out.print("ok : ");textArea.append("你点了菜单项 "+ e.getActionCommand()+"\n");}});formatMenu.add(comment);formatMenu.add(canceComment);editMenu.add(auto);editMenu.add(copy);editMenu.add(paste);editMenu.add(formatMenu);//组装菜单条menuBar.add(filemenu);menuBar.add(editMenu);//把菜单条放入到framen中frame.setMenuBar(menuBar);frame.add(textArea);//设置frame最佳大小并且可见frame.pack();frame.setVisible(true);}public static void main(String[] args) {new Demo9().init();}}

package Demo1;import java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;public class Demo10 {Frame frame =new Frame("这里测试绘图");private final String RECT_SHAPE="rect";private final String OVAL_SHAPE="oval";Button buttonReact = new Button("绘制矩形");Button buttonOval = new Button("绘制椭圆");//定义一个变量，记录当前绘制椭圆还是矩形private String shape = "";//自定义类，继承canvas类，重写paint（Grapics g）方法完成画图·private class MyCanvas extends Canvas{@Overridepublic void paint(Graphics g){//绘制不同的图形if(shape.equals(RECT_SHAPE)){g.setColor(Color.black);//设置画笔的颜色为黑色g.drawRect(100,100,150,100);//绘制矩形}else if(shape.equals(OVAL_SHAPE)){g.setColor(Color.RED);g.drawOval(100,100,150,100);//绘制椭圆}}}//创建自定义的画布对象MyCanvas drawArea = new MyCanvas();public void init(){//组装视图buttonReact.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {//修改标记的值为rectshape = RECT_SHAPE;drawArea.repaint();}});buttonOval.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {shape = OVAL_SHAPE;drawArea.repaint();}});//panel承载按钮Panel p = new Panel();p.add(buttonOval);p.add(buttonReact);frame.add(p,BorderLayout.SOUTH);//drawArea的大小需要设置drawArea.setPreferredSize(new Dimension(300,300));frame.add(drawArea);frame.pack();frame.setVisible(true);}public static void main(String[] args) {new Demo10().init();}}

package Demo1;import javax.security.auth.kerberos.KerberosKey;import java.awt.*;import java.awt.event.*;import javax.swing.Timer;public class Demo11 {int sum = -1;//创建窗口对象private Frame frame = new Frame("弹球游戏");//桌面宽度，高度private final int TABLE_WIDTH = 400;private final int TABLE_HEIGHT = 400;//球拍的高度和宽度private final int RACKET_WIDTH = 60;private final int RACKET_HEIGHT = 10;//小球的大小private final int BALL_SIZE = 16;//定义变量。记录小球的坐标private int ballX = 120;private int ballY = 20;//定义变量。记录小球在xy方向分别移动的速度private int speedY = 10;private int speedX = 5;//定义变量记录球拍的坐标private int racketX = 120;private int racketY = 340;//定义一个变量，标识当前游戏是否已经结束private boolean isOver = false;//声明一个定时器private Timer timer;//自定义一个类，继承canvas，充当画布private class myCanvas extends Canvas {@Overridepublic void paint(Graphics g) {//这里绘制内容//游戏结束if (isOver) {g.setColor(Color.BLUE);g.setFont(new Font("Timew", Font.BOLD, 30));g.drawString("游戏结束!,你一共成功了"+sum+"次", 50, 200);} else {//游戏中//绘制球g.setColor(Color.RED);g.fillOval(ballX, ballY, BALL_SIZE, BALL_SIZE);//绘制球拍g.setColor(Color.PINK);g.fillRect(racketX, racketY, RACKET_WIDTH, RACKET_HEIGHT);}}}//创建绘制区域myCanvas drawArea = new myCanvas();public void init() {//组装视图以及游戏逻辑的控制//完成球拍坐标的变化KeyListener keyListener = new KeyAdapter() {@Overridepublic void keyPressed(KeyEvent e) {int keyCode = e.getKeyCode();if (keyCode == KeyEvent.VK_LEFT) {//应该向左移动if (racketX >= 10) {racketX -= 20;}}if (keyCode == KeyEvent.VK_RIGHT) {//应该向右移动if (racketX < TABLE_WIDTH - RACKET_WIDTH) {racketX += 20;}}if (keyCode == KeyEvent.VK_UP) {//应该向右移动racketY -= 20;}}};//给Frame和drawarea注册监听器frame.addKeyListener(keyListener);drawArea.addKeyListener(keyListener);//小球坐标的控制ActionListener task = new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {if(ballX<=0||ballX>=TABLE_WIDTH+BALL_SIZE){speedX=-speedX;}if(ballY<=0||(ballY>=racketY-BALL_SIZE&&ballX>racketX&&ballX<racketX+RACKET_WIDTH)){speedY=-speedY;sum = sum+1;}if(ballY>racketY-BALL_SIZE&&(ballX<racketX || ballX> racketX+RACKET_WIDTH)){//小球超出了球拍范围，结束游戏timer.stop();isOver=true;//重新绘制界面drawArea.repaint();//停止定时器}//根据边界范围修正速度//更新小球的坐标，重新绘制界面ballX-=speedX;ballY+=speedY;drawArea.repaint();}};timer = new Timer(100,task);timer.start();drawArea.setPreferredSize(new Dimension(TABLE_WIDTH,TABLE_HEIGHT));frame.add((drawArea));//设置frame的大小，并且可视frame.pack();frame.setVisible(true);}public static void main(String[]args){new Demo11().init();}}

package Demo1;import javax.swing.*;import java.awt.*;public class Demo12 {JFrame f = new JFrame("Swing基本组件的测试");//声明菜单相关组件JMenuBar menuBar = new JMenuBar();JMenu fileMenue = new JMenu("文件");JMenu editMenue = new JMenu("编辑");JMenuItem auto = new JMenuItem("自动换行");JMenuItem copy = new JMenuItem("复制");JMenuItem paste = new JMenuItem("粘贴");JMenu formatMenu = new JMenu("格式");JMenuItem comment = new JMenuItem("注释");JMenuItem cancelcomment = new JMenuItem("取消注释");//声明文本域JTextArea ta = new JTextArea(8,20);String[] colorsList ={"红色","绿色","蓝色"};//声明列表框JList<String> colorList = new JList<String>(colorsList);//声明选择组件JComboBox<String> colorSelect = new JComboBox<String>();ButtonGroup bg = new ButtonGroup();JRadioButton male = new JRadioButton("男",false);JRadioButton female = new JRadioButton("男",true);JCheckBox isMarried = new JCheckBox("是否已婚？",true);//声明底部JTextField tf = new JTextField(40);JButton ok = new JButton("确定",new ImageIcon("Code2\\img\\1.jpg"));//声明右键菜单JPopupMenu jPopupMenu = new JPopupMenu();ButtonGroup poupButtonBg = new ButtonGroup();JRadioButtonMenuItem metalItem = new JRadioButtonMenuItem("metal 风格");JRadioButtonMenuItem nimbusItem = new JRadioButtonMenuItem("nimbus 风格");JRadioButtonMenuItem wiodowsItem = new JRadioButtonMenuItem("wiodows 风格");JRadioButtonMenuItem wiodowsClassItem = new JRadioButtonMenuItem("wiodows 经典风格");JRadioButtonMenuItem motifItem = new JRadioButtonMenuItem("mmotif 风格");//初始化界面public void init(){//组装视图//组装底部JPanel bottonPanel = new JPanel();bottonPanel.add(tf);bottonPanel.add(ok);f.add(bottonPanel,BorderLayout.SOUTH);//组装选择相关的组件JPanel selectPanle = new JPanel();colorSelect.addItem("红色");colorSelect.addItem("绿色");colorSelect.addItem("蓝色");selectPanle.add(colorSelect);bg.add(male);bg.add(female);selectPanle.add(male);selectPanle.add(female);selectPanle.add(isMarried);//组装文本域和选择相关组件Box topleft = Box.createVerticalBox();topleft.add(ta);topleft.add(selectPanle);//组装顶部Box top = Box.createHorizontalBox();top.add(topleft);top.add(colorList);f.add(top);//组装顶部菜单formatMenu.add(comment);formatMenu.add(cancelcomment);editMenue.add(auto);editMenue.addSeparator();editMenue.add(formatMenu);editMenue.add(copy);editMenue.add(paste);menuBar.add(fileMenue);menuBar.add(editMenue);f.setJMenuBar(menuBar);//组装右键菜单poupButtonBg.add(metalItem);poupButtonBg.add(nimbusItem);poupButtonBg.add(wiodowsItem);poupButtonBg.add(wiodowsClassItem);poupButtonBg.add(motifItem);poupButtonBg.add(metalItem);//不需要在监听鼠标事件了ta.setComponentPopupMenu(jPopupMenu);f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);f.pack();f.setVisible(true);}public static void main(String[] args) {new Demo12().init();}//定义一个方法，用于改变界面风格}

package Demo1;import javax.swing.*;import java.awt.*;import java.awt.event.ActionEvent;public class Demo13 {JFrame jf = new JFrame("测试工具条");JTextArea jta = new JTextArea(6,3);//声明工具条相关内容JToolBar jToolBar = new JToolBar("播放工具条",SwingConstants.HORIZONTAL);//创建3个acction、对象//传递的参数，name和icon。最终添加到工具条中Action pre = new AbstractAction() {@Overridepublic void actionPerformed(ActionEvent e) {jta.append("上一曲.\n");}};Action pause = new AbstractAction() {@Overridepublic void actionPerformed(ActionEvent e) {jta.append("暂停.\n");}};Action next = new AbstractAction() {@Overridepublic void actionPerformed(ActionEvent e) {jta.append("下一曲.\n");}};public void init(){//通过acction创建buttonJButton prebtn = new JButton(pre);JButton pausebtn = new JButton(pause);JButton nextbtn = new JButton(next);//组装视图// jToolBar.add(pre);// jToolBar.addSeparator();// jToolBar.add(pause);// jToolBar.addSeparator();// jToolBar.add(next);jToolBar.add(prebtn);jToolBar.addSeparator();jToolBar.add(pausebtn);jToolBar.addSeparator();jToolBar.add(nextbtn);jToolBar.setFloatable(true);//文本框默认不支持滚动// //把一个组件设置到jcrolpane中，那么该组件就支持滚动条了// JScrollBar jScrollBar = new JScrollBar(jta);// jf.add(jScrollBar);jf.add(jToolBar,BorderLayout.NORTH);jf.add(jta);jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf.pack();jf.setVisible(true);}public static void main(String[] args) {new Demo13().init();}}

package Demo1;import java.awt.*;import java.awt.event.ActionEvent;import javax.swing.*;public class Demo14 {JFrame jFrame = new JFrame("测试颜色选择器");JTextArea jta = new JTextArea("我是pofen",6,30);JButton btn = new JButton(new AbstractAction("change text color") {@Overridepublic void actionPerformed(ActionEvent e) {//弹出颜色选择器Color result = JColorChooser.showDialog(jFrame,"颜色选择器",Color.white);//修改文本框北京jta.setBackground(result);}});public void init(){jFrame.add(jta);jFrame.add(btn,BorderLayout.SOUTH);jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jFrame.pack();jFrame.setVisible(true);}public static void main(String[] args) {new Demo14().init();}}

package Demo1;import javax.imageio.ImageIO;import javax.swing.*;import java.awt.*;import java.awt.event.ActionEvent;import java.awt.image.BufferedImage;import java.io.File;import java.io.IOException;public class Demo15 {JFrame jf = new JFrame("文件选择器");JMenuBar jmb = new JMenuBar();JMenu jmenu = new JMenu("file");JMenuItem open = new JMenuItem(new AbstractAction("打开") {@Overridepublic void actionPerformed(ActionEvent e) {//显示一个文件显示器JFileChooser fileChooser = new JFileChooser(".");fileChooser.showOpenDialog(jf);//获取选择的文件File file = fileChooser.getSelectedFile();//进行显示try {image = ImageIO.read(file);drawArea.repaint();} catch (IOException ioException) {ioException.printStackTrace();}}});JMenuItem save = new JMenuItem(new AbstractAction("protect") {@Overridepublic void actionPerformed(ActionEvent e) {//显示一个文件显示器JFileChooser fileChooser = new JFileChooser(".");fileChooser.showOpenDialog(jf);//获取选择的保存文件路径File file = fileChooser.getSelectedFile();try {ImageIO.write(image,"jpeg",file);} catch (IOException ioException) {ioException.printStackTrace();}//进行显示try {image = ImageIO.read(file);drawArea.repaint();} catch (IOException ioException) {ioException.printStackTrace();}}});BufferedImage image;private class MyCanvas extends JPanel{//swing提供的组件都使用了图片缓冲技术@Overridepublic void paint(Graphics g) {//把图片绘制到插件上g.drawImage(image,0,0,null);}}MyCanvas drawArea = new MyCanvas();public void init(){jmenu.add(open);jmenu.add(save);jmb.add(jmenu);jf.setJMenuBar(jmb);drawArea.setPreferredSize(new Dimension(740,500));jf.add(drawArea);jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf.pack();jf.setVisible(true);}public static void main(String[] args) {new Demo15().init();}}

package Demo1;import javax.swing.*;import java.awt.*;import java.awt.event.ActionEvent;public class Demo16 {JFrame jf = new JFrame("测试消息对话框");JTextArea jta = new JTextArea(6,30);JButton btn = new JButton(new AbstractAction("弹出消息对话框") {@Overridepublic void actionPerformed(ActionEvent e) {//弹出一个文本框，显示文本域中输入的内容String text = " 你输入了 ："+jta.getText();//JOptionPane.showMessageDialog(jf,text,"消息对话框",JOptionPane.INFORMATION_MESSAGE);//JOptionPane.showMessageDialog(jf,text,"消息对话框",JOptionPane.WARNING_MESSAGE);//JOptionPane.showMessageDialog(jf,text,"消息对话框",JOptionPane.QUESTION_MESSAGE);JOptionPane.showMessageDialog(jf,text,"消息对话框",JOptionPane.PLAIN_MESSAGE);}});public void init(){jf.add(jta);jf.add(btn, BorderLayout.SOUTH);//组装视图jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf.pack();jf.setVisible(true);}public static void main(String[] args) {new Demo16().init();}}

package Demo1;import com.sun.jdi.PathSearchingVirtualMachine;import javax.swing.*;import java.awt.*;import java.awt.event.ActionEvent;public class Demo17 {JFrame jf = new JFrame("测试确认对话框");JTextArea jta = new JTextArea(15,30);JButton btn = new JButton(new AbstractAction("弹出确认消息对话框") {@Overridepublic void actionPerformed(ActionEvent e) {String text = jta.getText();int result = JOptionPane.showConfirmDialog(jf,text,"确认对话框",JOptionPane.YES_NO_CANCEL_OPTION);jta.append("\n");if(result==JOptionPane.YES_OPTION){jta.append("用户点击了 是 按钮\n");}if(result==JOptionPane.NO_OPTION){jta.append("用户点击了 否 按钮\n");}// if(result==JOptionPane.OK_OPTION){// jta.append("用户点击了 确认 按钮\n");// }if(result==JOptionPane.CANCEL_OPTION){jta.append("用户点击了 取消 按钮\n");}}});public void init(){jf.add(jta);jf.add(btn, BorderLayout.SOUTH);jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf.pack();jf.setVisible(true);}public static void main(String[] args) {new Demo17().init();}}

package Demo1;import com.sun.jdi.PathSearchingVirtualMachine;import javax.swing.*;import java.awt.*;import java.awt.event.ActionEvent;public class Demo18 {JFrame jf = new JFrame("测试输入对话框");JTextArea jta = new JTextArea(15,30);JButton btn = new JButton(new AbstractAction("弹出输入消息对话框") {@Overridepublic void actionPerformed(ActionEvent e) {String result = JOptionPane.showInputDialog(jf, "请填写你的银行卡账号", "输入对话框", JOptionPane.INFORMATION_MESSAGE);jta.append(result);}});public void init(){jf.add(jta);jf.add(btn, BorderLayout.SOUTH);jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf.pack();jf.setVisible(true);}public static void main(String[] args) {new Demo18().init();}}

package Demo1;import com.sun.jdi.PathSearchingVirtualMachine;import javax.swing.*;import java.awt.*;import java.awt.event.ActionEvent;public class Demo19 {JFrame jf = new JFrame("测试选项对话框");JTextArea jta = new JTextArea(15,30);JButton btn = new JButton(new AbstractAction("弹出选项消息对话框") {@Overridepublic void actionPerformed(ActionEvent e) {jta.append("\n");int result =JOptionPane.showOptionDialog(jf,"选择尿不湿号码","选项对话框",JOptionPane.DEFAULT_OPTION,JOptionPane.INFORMATION_MESSAGE,null,new String[]{"大号","中号","小号"},"中号");switch (result){case 0:jta.append("用户选择了大号");break;case 1 :jta.append("用户选择了中号");break;case 2 :jta.append("用户选择了小号");break;}}});public void init(){jf.add(jta);jf.add(btn, BorderLayout.SOUTH);jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf.pack();jf.setVisible(true);}public static void main(String[] args) {new Demo19().init();}}

package Demo1;import javax.swing.*;import javax.swing.event.ChangeEvent;import javax.swing.event.ChangeListener;import javax.swing.plaf.basic.BasicButtonListener;public class Demo20 {int i =0;JFrame jf = new JFrame("测试JTabledPane");JTabbedPane jTabbedPane = new JTabbedPane(SwingConstants.LEFT,JTabbedPane.SCROLL_TAB_LAYOUT);public void init(){//添加标签jTabbedPane.addTab("用户管理",new ImageIcon("\\img\\1.jpg"),new JList<String>(new String[]{"商品一","商品二","商品三"}));jTabbedPane.addTab("用户管理",new JList<String>(new String[]{"用户一","用户二","用户三"}));jTabbedPane.addTab("用户管理",new ImageIcon("\\img\\2.jpg"),new JList<String>(new String[]{"订单一","订单二","订单三","订单4"}));//完成设置jTabbedPane.setEnabledAt(0,false);jTabbedPane.setSelectedIndex(1);//监听当前选中情况jTabbedPane.addChangeListener(new ChangeListener() {@Overridepublic void stateChanged(ChangeEvent e) {int selectedIndex=jTabbedPane.getSelectedIndex();JOptionPane.showMessageDialog(jf,"当前选中了第："+(selectedIndex+1)+"个标签");i++;System.out.println("ok pofen"+i);}});jf.add(jTabbedPane);//设置窗口位置大小jf.setBounds(400,400,400,400);jf.setResizable(false);jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf.setVisible(true);}public static void main(String[] args){new Demo20().init();}}

package Demo1;import javax.swing.*;import java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;public class Demo21 {JFrame jf = new JFrame("测试进度条");JCheckBox indeterminate = new JCheckBox("不确定进度");JCheckBox noBorder= new JCheckBox("不绘制边框");//创建进度条JProgressBar bar = new JProgressBar(JProgressBar.HORIZONTAL,0,100);public void init(){//组装视图//处理复选框行为indeterminate.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {//获取有没有选中boolean select = indeterminate.isSelected();//设置不确定进度bar.setIndeterminate(select);bar.setStringPainted(!select);}});noBorder.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {boolean selected = noBorder.isSelected();bar.setStringPainted(!selected);}});Box box = Box.createVerticalBox();box.add(indeterminate);box.add(noBorder);//设置进度条属性bar.setStringPainted(true);//百分百bar.setBorderPainted(true);//边框jf.setLayout(new FlowLayout());jf.add(box);jf.add(bar);jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf.pack();jf.setVisible(true);//通过模拟循环修改进度条的精度for (int i = 0; i <=100; i++) {//修改已经完成的工作量bar.setValue(i);try {Thread.sleep(500);} catch (InterruptedException e) {e.printStackTrace();}}}public static void main(String[] args) {new Demo21().init();}}

package Demo1;import javax.swing.*;import javax.swing.border.EtchedBorder;import javax.swing.border.TitledBorder;import javax.swing.event.ListSelectionEvent;import javax.swing.event.ListSelectionListener;import java.awt.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.ItemEvent;import java.awt.event.ItemListener;import java.util.List;import java.util.Vector;public class Demo22 {JFrame jf =new JFrame("列表测试框");String[] books = {"java自学宝典","轻量级javaee企业应用实战","Android基础教程","Jquery实战教程","spriingboot企业级开发"};//定义 布局选择按钮，所在的面板JPanel layoutPanel = new JPanel();ButtonGroup layoutgroup = new ButtonGroup();//定义 选择模式按钮，所在面板JPanel selectModelPanel = new JPanel();ButtonGroup selectModeGroup = new ButtonGroup();JTextArea favorite= new JTextArea(4,40);//用一个字符串数组来创建一个JList对象JList<String > bookList;JComboBox<String> bookSelector;public void init(){//组装视图//组装JListbookList = new JList<>(books);addBtn2layoutPanel("纵向滚动",JList.VERTICAL);addBtn2layoutPanel("纵向滚动",JList.VERTICAL_WRAP);addBtn2layoutPanel("纵向滚动",JList.HORIZONTAL_WRAP);addBtn2SelectPanel("无限制",ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);addBtn2SelectPanel("单选",ListSelectionModel.SINGLE_SELECTION);addBtn2SelectPanel("单范围",ListSelectionModel.SINGLE_INTERVAL_SELECTION);//对JList设置bookList.setVisibleRowCount(3);bookList.setSelectionInterval(2,4);bookList.addListSelectionListener(new ListSelectionListener() {@Overridepublic void valueChanged(ListSelectionEvent e) {//获取当前选择的条目List<String> selectdValueList = bookList.getSelectedValuesList();//把当前条目的内容设置到文本域中favorite.setText("");for(String str: selectdValueList){favorite.append(str+"\n");}}});Box booklistVBox =Box.createVerticalBox();booklistVBox.add(new JScrollPane(bookList));booklistVBox.add(layoutPanel);booklistVBox.add(selectModelPanel);//组装JcomboxVector<String> vector = new Vector<>();List<String> list = List.of("java自学宝典","轻量级javaee企业应用实战","Android基础教程","Jquery实战教程","spriingboot企业级开发");vector.addAll(list);bookSelector = new JComboBox<>(vector);bookSelector.setEditable(true);bookSelector.setMaximumRowCount(5);bookSelector.addItemListener(new ItemListener() {@Overridepublic void itemStateChanged(ItemEvent e) {Object selectedItem = bookSelector.getSelectedItem();favorite.setText(selectedItem.toString());}});//组装顶部左右两部分Box topBox = Box.createHorizontalBox();topBox.add(booklistVBox);JPanel booksSelectPanel = new JPanel();booksSelectPanel.add(bookSelector);topBox.add(booksSelectPanel);//柱状底部JPanel bottonPanel = new JPanel();bottonPanel.setLayout(new BorderLayout());bottonPanel.add(new JLabel("你追喜欢的书是"),BorderLayout.NORTH);bottonPanel.add(favorite);//组装整体Box holeBox = Box.createVerticalBox();holeBox.add(topBox);holeBox.add(bottonPanel);jf.add(holeBox);jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf.pack();jf.setVisible(true);}//封装方法，往layout中添加单选public void addBtn2layoutPanel(String name , int layoutType){//设置标题边框layoutPanel.setBorder(new TitledBorder(new EtchedBorder(),"确定选项布局"));JRadioButton button = new JRadioButton(name);layoutPanel.add(button);if(layoutgroup.getButtonCount()==0){//让默认第一个按钮选中button.setSelected(true);}layoutgroup.add(button);button.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {bookList.setLayoutOrientation(layoutType);}});}//封装方法给selectModelPanle添加按钮public void addBtn2SelectPanel(String name , int selectModel){//设置标题边框selectModelPanel.setBorder(new TitledBorder(new EtchedBorder(),"确定选项布局"));JRadioButton button = new JRadioButton(name);layoutPanel.add(button);if(selectModeGroup.getButtonCount()==0){//让默认第一个按钮选中button.setSelected(true);}selectModelPanel.add(button);button.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {bookList.setSelectionMode(selectModel);}});}public static void main(String[] args) {new Demo22().init();}}

package Demo1;import javax.swing.*;import javax.swing.tree.DefaultMutableTreeNode;import javax.swing.tree.DefaultTreeModel;public class Demo23 {JFrame jf = new JFrame("简单数");public void init() {DefaultMutableTreeNode root = new DefaultMutableTreeNode("中国");DefaultMutableTreeNode guangdong = new DefaultMutableTreeNode("广东");DefaultMutableTreeNode guanxi = new DefaultMutableTreeNode("广西");DefaultMutableTreeNode foshan = new DefaultMutableTreeNode("佛山");DefaultMutableTreeNode shantou = new DefaultMutableTreeNode("汕头");DefaultMutableTreeNode guilin = new DefaultMutableTreeNode("桂林");DefaultMutableTreeNode nanling = new DefaultMutableTreeNode("南宁");//定义按钮。完成操作JButton addSiblingBtn = new JButton("添加兄弟结点");JButton addChildBtn = new JButton("添加子节点");JButton deletBtn = new JButton("删除结点");JButton editBtn = new JButton("编辑当前结点");//组装结点之间的关系root.add(guangdong);root.add(guanxi);guangdong.add(foshan);guangdong.add(shantou);guanxi.add(guilin);guanxi.add(nanling);JTree tree = new JTree(root);//完成树的结点编辑代码tree.setEditable(true);DefaultTreeModel model = (DefaultTreeModel) tree.getModel();jf.add(tree);jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf.pack();jf.setVisible(true);}public static void main(String[] args) {new Demo23().init();}}

package Demo1;import javax.swing.*;import javax.swing.table.TableColumn;public class Demo24 {JFrame jf = new JFrame("简单表格");//创建一个一维数组，用于存放标题Object[] titles = {"姓名","年龄","性别"};//创建一个二维数组，存储数据Object[][] data = {{"李清照","女","20"},{"苏格拉底","男","55"},{"苏格拉高","男","45"},{"苏格拉中","男","65"},{"李白","男","95"},{"冗余和","男","40"},{"和域诗","女","18"}};public void init(){//组装视图JTable jtable = new JTable(data,titles);//设置选择模式//jtable.getSelectionModel().setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);//默认，无限制jtable.getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION);//单行//jtable.getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);//只能选择两个连续范围//设置宽列TableColumn column_1 = jtable.getColumn(titles[0]);column_1.setMaxWidth(30);TableColumn column_3 = jtable.getColumn(titles[2]);column_3.setMaxWidth(30);jf.add(new JScrollPane(jtable));jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf.pack();jf.setVisible(true);}public static void main(String[] args) {new Demo24().init();}}