public int addGoods(Goods goods) {
   String sql = "insert into Goods values(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
   Object[] objects =
       new Object[] {
         goods.getGoodsId(), goods.getGoodsName(),
         goods.getSupplierId(), goods.getGoodsLargeClassId(),
         goods.getGoodsSmallClassId(), goods.getGoodsCode(),
         goods.getGoodsSize(), goods.getBarCode1(),
         goods.getBarCode2(), goods.getBarCode3(),
         goods.getUnit(), goods.getWholeSalePrice(),
         goods.getRetailPrice(), goods.getMemberprice()
       };
   int result = DbOperation.executeUpdate(sql, objects);
   return result;
 }
 public int updateGoods(Goods goods) {
   String sql =
       "update Goods set goodsName = ?, supplierId = ?,"
           + "goodsLargeClassId = ?, goodsSmallClassId = ?,"
           + "goodsCode = ?, goodsSize = ?,"
           + "barCode1 = ?, barCode2 = ?,"
           + "barCode3 = ?, unit = ?,"
           + "wholeSalePrice = ?, retailPrice = ?,"
           + "memberPrice = ? where goodsId = '"
           + goods.getGoodsId()
           + "'";
   Object[] objects =
       new Object[] {
         goods.getGoodsName(), goods.getSupplierId(),
         goods.getGoodsLargeClassId(), goods.getGoodsSmallClassId(),
         goods.getGoodsCode(), goods.getGoodsSize(),
         goods.getBarCode1(), goods.getBarCode2(),
         goods.getBarCode3(), goods.getUnit(),
         goods.getWholeSalePrice(), goods.getRetailPrice(),
         goods.getMemberprice()
       };
   int result = DbOperation.executeUpdate(sql, objects);
   return result;
 }