JPanel jContentPane = new getpane(800,600,"images\\0044.jpg");jContentPane.setLayout(null);jContentPane.setOpaque(false);//此处要设为false jContentPane.setAlignmentY(0.5F);jContentPane.add(jLabel, null);jContentPane.add(getJTestYear(), null);this.initComboBox();jContentPane.add(...
java编写的一个表格,JTable对象加在JPanel面板上,JPanel加在JFrame上。设置背景色 public class DrawFrame { public static void main(String[] args) { final JFrame frame = new JFrame(); frame.getContentPane().setBackground(Color.RED); JTable table = new JTable(4, 4...