JPanel jPanel = jDayChooser1.getDayPanel(); Component component[] = jPanel.getComponents(); for (int i = 7; i < 49; i++) { component[i].setBackground(Color.red); }终于找到了解决方法:D

JPanel jPanel = jDayChooser1.getDayPanel(); Component component[] = jPanel.getComponents(); for (int i = 7; i < 49; i++) { component[i].setBackground(Color.red); }终于找到了解决方法:D