获得焦点

表头：(getBillCardPanel().getHeadItem("head1").getComponent()).setFocusable(true); or(getBillCardPanel().getHeadItem("head1").getComponent()).requestFocus();表体：getBillCardPanel().getBillTable().requestFocus();getBillCardPanel().getBillTable().setRowSelectionInterval(1, 1);getBillCardPanel().getBillTable().setColumnSelectionInterval(2, 2);或   javax.swing.SwingUtilities.invokeLater(new Runnable(){                                                        public void run() {                                                                // TODO Auto-generated method stub                                                                getBillTable("table").editCellAt(mRow, mCol);                                                                getBodyItem(mKey).getComponent().requestFocus();                                                        }                                                                                                        });