.NET中读取Excel文件的数据及excelReader应用

项目介绍

  轻量,快速的C#编写的库读取Microsoft Excel文件('97-2007)。

  跨平台:

  - Windows with .Net Framework 2

  - Windows Mobile with Compact Framework

  - Linux, OS X, BSD with Mono 2+

  如何使用

  C# 代码:

  

复制代码 代码如下:

  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();

  VB.NET 代码:

  

复制代码 代码如下:

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

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

  Dim excelReader As IExcelDataReader = ExcelReaderFactory.CreateBinaryReader(stream)

  '...

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

  Dim excelReader As IExcelDataReader = ExcelReaderFactory.CreateOpenXmlReader(stream)

  '...

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

  Dim result As DataSet = excelReader.AsDataSet()

  '...

  '4. DataSet - Create column names from first row

  excelReader.IsFirstRowAsColumnNames = True

  Dim result As DataSet = excelReader.AsDataSet()

  '5. Data Reader methods

  While excelReader.Read()

  'excelReader.GetInt32(0);

  End While

  '6. Free resources (IExcelDataReader is IDisposable)

  excelReader.Close()