JToggleButton BasicArrowButton JPanel.setBorder()
JToggleButton: 普通JButton鼠标点击释放后恢复原状,而JToggleButton鼠标点击释放后不恢复原状,再次点击时才恢复原状。BasicArrowButton:在javax.swing.plaf.basic中,上面有箭头的按钮。publicBasicArrowButton(intdirection,
Colorbackground,
Colorshadow,
Colordar