public Object[][] showAll() { db = ds.getAll();//通过service-dao从数据库拿到数据 data = new Object[db.size()][Names.length]; for (int i = 0; i < db.size(); i++) { for (int j = 0; j < Names.length; j++) { data[i][0] = db.get(i).getName(); data[i][1] = db.get(i)....