public class JSplitPaneKnow extends JFrame

 {

     JSplitPane jSplitPane;

     JPanel jPanelRed;

     JPanel jPanelBlue;

     public JSplitPaneKnow()

     {

         this.setBounds(300, 100, 400, 400);

         this.setTitle("分屏设计");

         this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

         jPanelBlue = new JPanel();

         jPanelRed = new JPanel();

         //第一个参数表示分屏的方式：左右HORIZONTAL_SPLIT，上下VERTICAL_SPLIT

         jSplitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT,jPanelBlue,jPanelRed);

         jPanelBlue.setBackground(Color.BLUE);

         jPanelRed.setBackground(Color.RED);

         this.add(jSplitPane);

         //设置分割线的位置

         jSplitPane.setDividerLocation(200);

         //设置分割线的大小

         jSplitPane.setDividerSize(5);

         //设置分割线是否可以随意拉动

         jSplitPane.setEnabled(false);

     }

     public static void main(String[] args)

     {

         JSplitPaneKnow jSplitPaneKnow = new JSplitPaneKnow();

         jSplitPaneKnow.setVisible(true);

     }

 }