JScrollPane scroll = new JScrollPane(txaDisplay);
//把定義的JTextArea放到JScrollPane裏面去
//分別設置水平和垂直滾動條自動出現
scroll.setHorizontalScrollBarPolicy(
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
scroll.setVerticalScrollBarPolicy(
JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
//分別設置水平和垂直滾動條總是出現
scroll.setHorizontalScrollBarPolicy(
JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
scroll.setVerticalScrollBarPolicy(
JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
//分別設置水平和垂直滾動條總是隱藏scroll.setHorizontalScrollBarPolicy(
JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
scroll.setVerticalScrollBarPolicy(
JScrollPane.VERTICAL_SCROLLBAR_NEVER);
本文出自:http://dongdong1314.blog.51cto.com/389953/79599/