/// <summary>
/// 根据字段描述信息，将行数据转化为字段对应的字符串集合
/// 根据字段描述的读入起始位置及读取字符数来读取
/// </summary>
/// <param name="src">txt行数据</param>
/// <param name="descCol">字段分割符</param>
/// <returns>字段对应的字符串集合</returns>
private List <string> AnalysisTxtLine(string src, List <DataImportDescInfo> descCol)
{
StringInfo s = new StringInfo(src);
List <string> sl = new List <string>();
if (!string.IsNullOrEmpty(src))
{
foreach (DataImportDescInfo i in descCol)
{
string t = s.SubString_Byte(i.TxtFieldStartIndex, i.TxtFieldReadLength).ToStringFiltered();
sl.Add(t);
}
}
return(sl);
}