JTextArea should be placed in Jscrollpanelto make only the vertical scroll bar without the horizontal scroll bar, use Jtextarea.setlinewrap (true) to wrap the line. The following excerpt from[Url]http://zhidao.baidu.com/question/31571035.html?fr=qrl[/url] JTextArea txadisplay = new JTextArea ();
JScrollPane scroll = new JScrollPane (txadisplay);
Put the definition jtextarea in the JScrollPane.
Set the horizontal and vertical scroll bars to appear automatically, respectively
Scroll.sethorizontalscrollbarpolicy (
jscrollpane.horizontal_scrollbar_as_needed);
Scroll.setverticalscrollbarpolicy (
jscrollpane.vertical_scrollbar_as_needed);
Setting horizontal and vertical scroll bars, respectively, always appears
Scroll.sethorizontalscrollbarpolicy (
Jscrollpane.horizontal_scrollbar_always);
Scroll.setverticalscrollbarpolicy (
Jscrollpane.vertical_scrollbar_always);
setting horizontal and vertical scrollbars, respectively, always hides Scroll.sethorizontalscrollbarpolicy (
Jscrollpane.horizontal_scrollbar_never);
Scroll.setverticalscrollbarpolicy (
Jscrollpane.vertical_scrollbar_never);
JTextArea Setting scroll bars
