java中的多文檔編程:
1,編寫 單個文檔的類: 繼承 JInternalFrame
public class jmidframe extends JInternalFrame implements ActionListener,DocumentListener
2,爲這個類添加文檔事件:
this.addInternalFrameListener(new InternalFrameListener()
3,在當前JFrame 的構造函數中 構造JDesktopPane 並加入到JFrame中
JDesktopPane desk = null;
desk = new JDesktopPane();
add(desk, BorderLayout.CENTER);
4,新建一個多文檔
jmidframe f = new jmidframe("新建" + (++mdifnumber));
desk.add(f);
5,遍歷所有的多文檔
JInternalFrame[] array = desk.getAllFrames();
jmidframe tempf = null;
for (int a = 0; a < array.length; a++)
{
tempf = (jmidframe) array[a];
}
6,對當前文檔操作:
temp = (jmidframe) desk.getSelectedFrame();// 獲取當前活動的子窗體