将分割面板上下两部分都加上JScrollPane,再加上JTextArea,文本区不出现滚动条,该怎么办呢?求指教!
[code="java"]
public MainFrame(){
JScrollPane scpane1 =new JScrollPane();
JScrollPane scpane2 =new JScrollPane();
JTextArea ta1 =new JTextArea();
JTextArea ta2 =new JTextArea();
JSplitPane sppane_v = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
sppane_v.setDividerLocation(200);
this.setBounds(300,200,300,600);
this.setBackground(java.awt.Color.lightGray);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
Container cont = this.getContentPane();
cont.add(sppane_v);
sppane_v.setLeftComponent(scpane1.add(ta1));
sppane_v.setRightComponent(scpane2.add(ta2));
this.setVisible(true);
}
[/code]