使用ExcelDataReader读写excel（.xls,.xlsx）

介绍

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

ExcelDataReader是一个用c#写的轻量级且高效的操作Microsoft Excel文件的类库。

github地址：

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安装

可以用nuget管理工具安装，也可以通过命令行安装。

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();