protected void doNext() { // TODO Auto-generated method stub if (isDataChanged()) { int num = JOptionPane.showConfirmDialog(this, "当前页面数据已修改,是否要保存", "保存确认", 0); if (num == JOptionPane.YES_OPTION) { if (!doSave()) { return; } } else { listCursor.setCurrentObject(oldSite); } } listCursor.next(); refreshData(); setButtonStatus(); }