public void ExtractFileToDataBaseWtihoutId(DCEngineCommonTxtParam dcEngineCommonTxtParam, string businessDate, string extractFilePath, string tableName, ref string result)
{
try
{
DataTable dt = TableGetSchema(tableName);
FileImportToDataBaseWithoutId(dcEngineCommonTxtParam, businessDate, extractFilePath, ref dt, tableName);
}
catch (Exception ex)
{
result = ex.ToString();
}
}
public override string FileExtract(string extractFilePath, FileInfoType fileInfoType, string businessDate, string tableName, string fileImportFormatDirectory)
{
string result = string.Empty;
DCEngineCommonTxtParam dcEngineCommonTxtParam = new DCEngineCommonTxtParam();
dcEngineCommonTxtParam.GetContentPattern = @"(?<key>[^\n]+(?=\n?))";
dcEngineCommonTxtParam.FileEncoding = "gb2312";
dcEngineCommonTxtParam.ContentSplit = "~";
dcEngineCommonTxtParam.IsAddEnter = false;
dcEngineCommonTxtParam.RowExcept = string.Empty;
dcEngineCommonTxtParam.ByteSplit = string.Empty;
dcEngineCommonTxtParam.ColumnSplitType = (byte)ColumnSplitType.按分隔符;
dcEngineCommonTxtParam.StringSplitOptions = StringSplitOptions.None;
dcEngineCommonTxtParam.FileInfoType = fileInfoType;
DCCommonTxtProcess dcCommonTxtProcess = new DCCommonTxtProcess();
dcCommonTxtProcess.ExtractFileToDataBase(dcEngineCommonTxtParam, businessDate, extractFilePath, tableName, ref result);
return result;
}
private void FileContentToDataTable(string fileContent, DCEngineCommonTxtParam dcEngineCommonTxtParam, string businessDate, string extractFilePath, string[] columnSplitContents, int fixedColumnCount, ref DataTable dtFileContent)
{
dtFileContent.Clear();
MatchCollection matchCollection = Regex.Matches(fileContent, dcEngineCommonTxtParam.GetContentPattern, RegexOptions.IgnoreCase);
if (dcEngineCommonTxtParam.ColumnSplitType == (byte)ColumnSplitType.按字节截取)
{
foreach (Match match in matchCollection) //遍历文件每一行
{
string currentRow = match.Groups["key"].Value;
//排除指定关键字的行
if (!string.IsNullOrEmpty(dcEngineCommonTxtParam.RowExcept) && currentRow.Contains(dcEngineCommonTxtParam.RowExcept))
{
continue;
}
int indexColumn = 0;
DataRow newRow = dtFileContent.NewRow();
newRow[indexColumn++] = Guid.NewGuid();
if (dcEngineCommonTxtParam.FileInfoType != FileInfoType.BillBase && dcEngineCommonTxtParam.FileInfoType != FileInfoType.NoMasterBase)
{
newRow[indexColumn++] = businessDate;
}
byte[] byteCurrentRow = Encoding.GetEncoding(dcEngineCommonTxtParam.FileEncoding).GetBytes(currentRow);
foreach (string columnSplit in columnSplitContents)
{
try
{
string[] param = columnSplit.Replace("，", ",").Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries);
int index = int.Parse(param[0]);
int count = int.Parse(param[1]);
if (index + count > byteCurrentRow.Length)
{
count = byteCurrentRow.Length - index;
}
string column = Encoding.GetEncoding(dcEngineCommonTxtParam.FileEncoding).GetString(byteCurrentRow, index, count);
newRow[indexColumn++] = column;
}
catch (Exception)
{
string errorInfo = string.Format("文件:{0}，当前行按字节分列时出错:{1}", extractFilePath, currentRow);
throw new Exception(errorInfo);
}
}
dtFileContent.Rows.Add(newRow);
} //end foreach
}
else //按字符分割
{
foreach (Match match in matchCollection) //遍历文件每一行
{
string currentRow = match.Groups["key"].Value;
if (string.IsNullOrEmpty(currentRow.Trim()))
{
continue;
}
//排除指定关键字的行
if (!string.IsNullOrEmpty(dcEngineCommonTxtParam.RowExcept) && currentRow.Contains(dcEngineCommonTxtParam.RowExcept))
{
continue;
}
string[] columns = null;
try
{
columns = currentRow.Split(new string[] { dcEngineCommonTxtParam.ContentSplit }, dcEngineCommonTxtParam.StringSplitOptions);
}
catch (Exception)
{
string errorInfo = string.Format("文件：{0}，当前行按字符分列时出错:{1}", extractFilePath, currentRow);
throw new Exception(errorInfo);
}
//因为数据库最左边多了二列，存放Id及业务发生日
if (columns.Length + fixedColumnCount != dtFileContent.Columns.Count)
{
string errorInfo = string.Format("\r\n分割列数与数据库表列数不一致\r\n文件:{0}\r\n行:{1}", extractFilePath, match.Groups["key"].Value);
throw new Exception(errorInfo);
}
int indexColumn = 0;
DataRow newRow = dtFileContent.NewRow();
newRow[indexColumn++] = Guid.NewGuid();
if (dcEngineCommonTxtParam.FileInfoType != FileInfoType.BillBase && dcEngineCommonTxtParam.FileInfoType != FileInfoType.NoMasterBase)
{
newRow[indexColumn++] = businessDate;
}
foreach (string column in columns)
{
newRow[indexColumn++] = column;
}
dtFileContent.Rows.Add(newRow);
} // end foreach
} //end //按字符分割
}
private void FileImportToDataBaseWithoutId(DCEngineCommonTxtParam dcEngineCommonTxtParam, string businessDate, string extractFilePath, ref DataTable dtFileContent, string tableName)
{
string[] columnSplitContents = null;
int fixedColumnCount = 1;
if (dcEngineCommonTxtParam.ColumnSplitType == (byte)ColumnSplitType.按字节截取)
{
columnSplitContents = dcEngineCommonTxtParam.ByteSplit.Split(new string[] { "|" }, StringSplitOptions.RemoveEmptyEntries);
//因为数据库最左边多了二列，存放Id及业务发生日
if (columnSplitContents.Length + fixedColumnCount != dtFileContent.Columns.Count)
{
string errorInfo = string.Format("源文件{0}按字节分割的列数：{1}与数据库列数：{2}不一致", extractFilePath, (columnSplitContents.Length + 1).ToString(), dtFileContent.Columns.Count.ToString());
throw new Exception(errorInfo);
}
}
StringBuilder sbFileContent = new StringBuilder();
string fileContent;
int submitRowCount = 0;
using (StreamReader sr = new StreamReader(extractFilePath, Encoding.GetEncoding(dcEngineCommonTxtParam.FileEncoding)))
{
while (sr.Peek() > 0)
{
sbFileContent.AppendLine(sr.ReadLine());
submitRowCount++;
if (submitRowCount == NMBConfig.FileBatchSize)
{
fileContent = sbFileContent.ToString();
sbFileContent.Clear();
submitRowCount = 0;
FileContentToDataTableWithoutId(fileContent, dcEngineCommonTxtParam, businessDate, extractFilePath, columnSplitContents, fixedColumnCount, ref dtFileContent);
DataTableSaveToDataBase(ref dtFileContent, tableName);
}
}
if (sbFileContent.Length > 0)
{
fileContent = sbFileContent.ToString();
FileContentToDataTableWithoutId(fileContent, dcEngineCommonTxtParam, businessDate, extractFilePath, columnSplitContents, fixedColumnCount, ref dtFileContent);
DataTableSaveToDataBase(ref dtFileContent, tableName);
}
sbFileContent.Clear();
fileContent = null;
}
}