Java 背景为渐变色的主界面

Java 背景为渐变色的主界面(基础篇-实例261).zip

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.Jframe;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;

public class ShadeBackgroundImage extends Jframe {
    
    private JPanel contentPane;
    
    /**
     * Launch the application.
     */
    public static void main（String[] args） {
        EventQueue.invokeLater（new Runnable（） {
            public void run（） {
                try {
                    ShadeBackgroundImage frame = new ShadeBackgroundImage（）;
                    frame.setVisible（true）;
                } catch （Exception e） {
                    e.printStackTrace（）;
                }
            }
        }）;
    }
    
    /**
     * Create the frame.
     */
    public ShadeBackgroundImage（

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件         301  2010-08-02 11:41  .classpath
     文件         379  2010-09-07 14:15  .project
     文件         635  2010-08-02 11:41  .settings\org.eclipse.jdt.core.prefs
     文件      153102  2010-08-02 10:26  bin\Penguins.jpg
     文件         747  2013-11-21 08:41  bin\ShadeBackgroundImage$1.class
     文件        1194  2013-11-21 08:41  bin\ShadeBackgroundImage.class
     文件         989  2013-11-21 08:41  bin\ShadePanel.class
     文件      153102  2010-08-02 10:26  src\Penguins.jpg
     文件        1270  2010-08-02 13:48  src\ShadeBackgroundImage.java
     文件         891  2010-08-02 13:14  src\ShadePanel.java