开源的读取Excel文件组件-ExcelDataReader

ExcelDataReader可以读取 Microsoft Excel 文件 ('97-2007)，支持Windows  .Net Framework 2 +、 Windows Mobile with Compact Framework 
、 Linux, OS X, BSD with Mono 2。项目地址：http://exceldatareader.codeplex.com/

使用方法非常简单：

FileStream stream = File.Open(filePath, FileMode.Open, FileAccess.Read);

//1. Reading from a binary Excel file ('97-2003 format; *.xls)

IExcelDataReader excelReader = ExcelReaderFactory.CreateBinaryReader(stream);

//...

//2. Reading from a OpenXml Excel file (2007 format; *.xlsx)

IExcelDataReader excelReader = ExcelReaderFactory.CreateOpenXmlReader(stream);

//...

//3. DataSet - The result of each spreadsheet will be created in the result.Tables

DataSet result = excelReader.AsDataSet();

//...

//4. DataSet - Create column names from first row

excelReader.IsFirstRowAsColumnNames = true;

DataSet result = excelReader.AsDataSet();

//5. Data Reader methods

while (excelReader.Read())

{

    //excelReader.GetInt32(0);

}

//6. Free resources (IExcelDataReader is IDisposable)

excelReader.Close();