介紹

Lightweight and fast library written in C# for reading Microsoft Excel files

ExcelDataReader是一個用c#寫的輕量級且高效的操作Microsoft Excel檔案的類庫。

安裝

可以用nuget管理工具安裝，也可以通過命令列安裝。

Install-Package ExcelDataReader

使用

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

//Choose one of either 1 or 2
 

//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);

//Choose one of either 3, 4, or 5
 

//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();