java按钮控件边框留白

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1、实现按钮控件边框留白关键技术：简单的EmptyBorder边框EmptyBorder边框的最简单的应用，就是通过4个整型参数指定新建边框的四边留白publicEmptyBorder(inttop,intleft,intbotton,intright)top:顶部留白left左边留白botton底部留白right右边留白packagellt.swing08;importjava.awt.EventQueue;importjavax.swing.JFrame;importjavax.swing.JPanel;importjavax.swin

2、g.border.EmptyBorder;importjavax.swing.JButton;importjavax.swing.UIManager;importjavax.swing.JLabel;importjavax.swing.SwingConstants;publicclassShowEmptyBorderextendsJFrame{privateJPanelcontentPane;/***Launchtheapplication.*/publicstaticvoidmain(String[]args){try{UIManag

3、er.setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");}catch(Throwablee){e.printStackTrace();}EventQueue.invokeLater(newRunnable(){publicvoidrun(){try{ShowEmptyBorderframe=newShowEmptyBorder();frame.setVisible(true);}catch(Exceptione){e.printStackTrace();

4、}}});}/***Createtheframe.*/publicShowEmptyBorder(){setTitle("力天教育——实现按钮控件的留白");setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);setBounds(100,100,328,336);contentPane=newJPanel();contentPane.setBorder(newEmptyBorder(5,5,5,5));setContentPane(contentPane);contentPane.setLayo

5、ut(null);JButtonbutton=newJButton("演示按钮");button.setBorder(newEmptyBorder(40,0,0,0));//顶部留白：40pixbutton.setBounds(19,106,109,64);contentPane.add(button);JButtonbutton_1=newJButton("演示按钮");button_1.setBorder(newEmptyBorder(0,40,0,0));//左侧留白：40pixbutton_1.setBounds(177,14,

6、109,64);contentPane.add(button_1);JButtonbutton_2=newJButton("演示按钮");button_2.setBorder(newEmptyBorder(0,0,0,40));//右侧留白：40pixbutton_2.setBounds(19,14,109,64);contentPane.add(button_2);JButtonbutton_3=newJButton("演示按钮");button_3.setBorder(newEmptyBorder(0,0,40,0));//底部留白

7、：40pixbutton_3.setBounds(177,106,109,64);contentPane.add(button_3);JButtonbutton_4=newJButton("演示按钮");button_4.setBorder(newEmptyBorder(0,0,40,40));//右侧和底部留白：40pixbutton_4.setBounds(19,201,109,64);contentPane.add(button_4);JButtonbutton_5=newJButton("演示按钮");button_5.setB

8、order(newEmptyBorder(40,40,0,0));//左侧和顶部留白：40pixbutton_5.setBounds(177,198,109,64);contentPane.add(butt