java实现jframe透明窗体示例

import javax.swing.jframe;
public class tansluframe extends jframe
{
    public tansluframe()
    {
        com.sun.awt.awtutilities.setwindowopacity(this, 0.6f);  
    }
    public static void main(string[] args)
    {
        tansluframe frame = new tansluframe();
        frame.settitle("半透明的窗口");
        frame.setsize(400, 300);
        frame.setvisible(true);
        frame.setdefaultcloseoperation(jframe.exit_on_close);
    }
}