zoukankan      html  css  js  c++  java
  • 批量导入数据.net

    源网址:http://exceldatareader.codeplex.com/

    参考如下:

    NUGET引用

    Note

    Please try the latest source from the repo before reporting issues as there have been recent changes.
    Also, if you are reporting an issue it is really useful if you can supply an example excel file as this makes debugging much easier and without it we may not be able to resolve any problems.

    How to use

    C# code :

    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 Code:

    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()
    
  • 相关阅读:
    中文分词技术
    布隆过滤器(Bloom Filter)详解
    真正理解Mysql的四种隔离级别
    从内核文件系统看文件读写过程
    如何评价腾讯开源的消息中间件TubeMQ?
    零拷贝(Zero-copy)及其应用详解
    深入了解RabbitMQ
    (四)下载利器aria2
    (三)轻量级文件服务器filebrowser
    log4j 2整理
  • 原文地址:https://www.cnblogs.com/WZH75171992/p/4138439.html
Copyright © 2011-2022 走看看