Exemplo n.º 1
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="sellerUserName"></param>
        /// <param name="orderNumber"></param>
        /// <param name="buyUserName"></param>
        /// <param name="orderState">0表示全部</param>
        /// <param name="myBeginCreateTime"></param>
        /// <param name="myEndCreateTime"></param>
        /// <param name="myBeginBuyTime"></param>
        /// <param name="myEndBuyTime"></param>
        /// <param name="pageItemCount"></param>
        /// <param name="pageIndex"></param>
        /// <returns></returns>
        public BuyStonesOrder[] GetBuyStonesOrderList(string sellerUserName, string orderNumber, string buyUserName, int orderState, MyDateTime myBeginCreateTime, MyDateTime myEndCreateTime, MyDateTime myBeginBuyTime, MyDateTime myEndBuyTime, int pageItemCount, int pageIndex)
        {
            BuyStonesOrder[] orders = null;
            MySqlConnection  myconn = null;

            try
            {
                myconn = MyDBHelper.Instance.CreateConnection();
                myconn.Open();
                MySqlCommand mycmd = myconn.CreateCommand();

                string sqlTextA = "select b.*, s.*, f.CreditValue as SellerCreditValue, f.Exp as SellerExpValue " +
                                  "from buystonesrecord b " +
                                  "left join sellstonesorder s on s.OrderNumber = b.OrderNumber " +
                                  "left join playerfortuneinfo f on f.userId = (select u.id from playersimpleinfo u where u.UserName = s.SellerUserName)";

                StringBuilder builder = new StringBuilder();
                if (!string.IsNullOrEmpty(sellerUserName))
                {
                    builder.Append(" s.SellerUserName = @SellerUserName ");
                    string encryptSellerUserName = DESEncrypt.EncryptDES(sellerUserName);
                    mycmd.Parameters.AddWithValue("@SellerUserName", encryptSellerUserName);
                }
                if (!string.IsNullOrEmpty(orderNumber))
                {
                    if (builder.Length > 0)
                    {
                        builder.Append(" and ");
                    }
                    builder.Append(" s.OrderNumber = @OrderNumber ");
                    mycmd.Parameters.AddWithValue("@OrderNumber", orderNumber);
                }
                if (!string.IsNullOrEmpty(buyUserName))
                {
                    if (builder.Length > 0)
                    {
                        builder.Append(" and ");
                    }
                    builder.Append(" b.BuyerUserName = @BuyerUserName ");
                    string encryptUserName = DESEncrypt.EncryptDES(buyUserName);
                    mycmd.Parameters.AddWithValue("@BuyerUserName", encryptUserName);
                }
                if (orderState > 0)
                {
                    if (builder.Length > 0)
                    {
                        builder.Append(" and ");
                    }
                    builder.Append(" s.OrderState = @OrderState ");
                    mycmd.Parameters.AddWithValue("@OrderState", orderState);
                }
                if (myBeginCreateTime != null && !myBeginCreateTime.IsNull && myEndCreateTime != null && !myEndCreateTime.IsNull)
                {
                    if (builder.Length != 0)
                    {
                        builder.Append(" and ");
                    }
                    DateTime beginCreateTime = myBeginCreateTime.ToDateTime();
                    DateTime endCreateTime   = myEndCreateTime.ToDateTime();
                    if (beginCreateTime >= endCreateTime)
                    {
                        return(null);
                    }
                    builder.Append(" s.SellTime >= @beginCreateTime and s.SellTime < @endCreateTime ");
                    mycmd.Parameters.AddWithValue("@beginCreateTime", beginCreateTime);
                    mycmd.Parameters.AddWithValue("@endCreateTime", endCreateTime);
                }
                if (myBeginBuyTime != null && !myBeginBuyTime.IsNull && myEndBuyTime != null && !myEndBuyTime.IsNull)
                {
                    if (builder.Length != 0)
                    {
                        builder.Append(" and ");
                    }
                    DateTime beginBuyTime = myBeginBuyTime.ToDateTime();
                    DateTime endBuyTime   = myEndBuyTime.ToDateTime();
                    if (beginBuyTime >= endBuyTime)
                    {
                        return(null);
                    }
                    builder.Append(" b.BuyTime >= @beginBuyTime and b.BuyTime < @endBuyTime ");
                    mycmd.Parameters.AddWithValue("@beginBuyTime", beginBuyTime);
                    mycmd.Parameters.AddWithValue("@endBuyTime", endBuyTime);
                }
                string sqlWhere = "";
                if (builder.Length > 0)
                {
                    sqlWhere = " where " + builder.ToString();
                }

                string sqlOrderLimit = " order by b.id desc ";
                if (pageItemCount > 0)
                {
                    int start = pageIndex <= 0 ? 0 : (pageIndex - 1) * pageItemCount;
                    sqlOrderLimit += " limit " + start.ToString() + ", " + pageItemCount;
                }

                string sqlAllText = sqlTextA + sqlWhere + sqlOrderLimit;

                mycmd.CommandText = sqlAllText;

                DataTable table = new DataTable();

                MySqlDataAdapter adapter = new MySqlDataAdapter(mycmd);
                adapter.Fill(table);
                if (table != null)
                {
                    orders = MetaDBAdapter <BuyStonesOrder> .GetBuyStonesOrderFromDataTable(table);
                }
                table.Clear();
                table.Dispose();
                adapter.Dispose();

                mycmd.Dispose();

                return(orders);
            }
            finally
            {
                MyDBHelper.Instance.DisposeConnection(myconn);
            }
        }