从钱龙数据中读取股票交易数据(日线)导入到数据库

前面写了如果读股票代码，下面是如何读日线数据的代码。

钱龙中日线数据存储在QLDATA\history\shase\day和QLDATA\history\sznse\day目录下，每个文件对应一只股票。

与前文一样，只贴核心代码：

        public void ParseAndSave(string p_strFileName, string p_strStockCode, Market p_market)
        {
            Console.WriteLine("Parsing stock {0} using file '{1}'", p_strStockCode, p_strFileName);
            Debug.Assert(p_strStockCode.Trim().Length == 6);
            FileStream stream = new FileStream(p_strFileName, FileMode.Open, FileAccess.Read);
            BinaryReader b_reader = new BinaryReader(stream);
            SqlCommand cmd = m_conn.CreateCommand();
            cmd.Transaction = m_tran;
            string strInsertCmd = Properties.Resources.InsertCommand;
            strInsertCmd = strInsertCmd.Replace("@StockData_DayInfo", Properties.Settings.Default.TableName);
            cmd.CommandText = strInsertCmd;
            cmd.Parameters.Add("@StockCode", SqlDbType.NChar, 6);
            cmd.Parameters.Add("@TransactionDate", SqlDbType.DateTime);
            cmd.Parameters.Add("@OpenPrice", SqlDbType.BigInt);
            cmd.Parameters.Add("@HighestPrice", SqlDbType.BigInt);
            cmd.Parameters.Add("@LowestPrice", SqlDbType.BigInt);
            cmd.Parameters.Add("@ClosePrice", SqlDbType.BigInt);
            cmd.Parameters.Add("@TotalTransactionAmount", SqlDbType.BigInt);
            cmd.Parameters.Add("@TotalTransactionCount", SqlDbType.BigInt);
            cmd.Parameters.Add("@Market", SqlDbType.NVarChar, 10);
            int nInsertCount = 0;
            int nExistingCount = 0;
            int nErrorCount = 0;
            
            while (stream.CanRead && stream.Position < stream.Length)
            {
                int nDate = 0;
                try
                {
                    nDate = b_reader.ReadInt32();
                }
                catch(Exception ex)
                {
                    nErrorCount++;
                    Debug.Assert(!p_strStockCode.StartsWith("600"));
                    Console.WriteLine("Failed to read stock code {0} from market {1}, error = {2}", p_strStockCode, p_market, ex.Message);
                    break;
                }
                DateTime day;
                try
                {
                    day = new DateTime(nDate / 10000, (nDate % 10000) / 100, nDate % 100);
                }
                catch(Exception ex)
                {
                    Console.WriteLine(ex.Message);
                    Console.WriteLine("Wrong date:{0}, skip this info", nDate);
                    nErrorCount++;
                    continue;
                } int nOpenPrice = b_reader.ReadInt32();
                int nHighestPrice = b_reader.ReadInt32();
                int nLowestPrice = b_reader.ReadInt32();
                int nClosePrice = b_reader.ReadInt32();
                int nAmount = b_reader.ReadInt32();
                int nTransCount = b_reader.ReadInt32();
                int nPadding1, nPadding2, nPadding3;
                nPadding1 = b_reader.ReadInt32();
                nPadding2 = b_reader.ReadInt32();
                nPadding3 = b_reader.ReadInt32();

                DayData dd = new DayData();
                dd.m_market = p_market;
                dd.m_nAmount = nAmount;
                dd.m_nClosePrice = nClosePrice;
                dd.m_nCount = nTransCount;
                dd.m_nHighestPrice = nHighestPrice;
                dd.m_nLowestPrice = nLowestPrice;
                dd.m_nOpenPrice = nOpenPrice;
                dd.m_strStockCode = p_strStockCode;
                dd.m_transDate = day;

                if (existingData.ContainsKey(day))
                {
                    DayData t1 = existingData[day];
                    Debug.Assert(t1 == dd);
                    nExistingCount++;
                    continue;
                }
                else
                {
                    existingData.Add(dd.m_transDate, dd);
                }


                cmd.Parameters[0].Value = p_strStockCode;
                cmd.Parameters[1].Value = day;
                cmd.Parameters[2].Value = nOpenPrice;
                cmd.Parameters[3].Value = nHighestPrice;
                cmd.Parameters[4].Value = nLowestPrice;
                cmd.Parameters[5].Value = nClosePrice;
                cmd.Parameters[6].Value = nAmount;
                cmd.Parameters[7].Value = nTransCount;
                cmd.Parameters[8].Value = p_market.ToString();
                int nResultCnt;
                try
                {
                    nResultCnt = cmd.ExecuteNonQuery();
                    Debug.Assert(nResultCnt == 1);
                    nInsertCount += nResultCnt;
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.Message);
                    Console.WriteLine("{0}\t{1}\t{2}\t{3}\t{4}\t{5}\t{6} - \t{7}\t{8}\t{9}",
                        day.ToShortDateString(), nOpenPrice, nHighestPrice, nLowestPrice, nClosePrice, nAmount, nTransCount,
                        nPadding1, nPadding2, nPadding3);
                    throw;
                } Debug.Assert(nResultCnt == 1);
            }
            b_reader.Close();
            Console.WriteLine("{0} recorded have been inserted into Table{1}", nInsertCount, Properties.Settings.Default.TableName);
            if (nErrorCount > 0)
            {
                Console.WriteLine("{0} recorded has error", nErrorCount);
            }
            Console.WriteLine("{0} existing", nExistingCount);
        }