EPPlus读写XLSX库v4.0源码 免费

一、更新记录：
    v4.0更新内容：
    1、Fixed bug when using RepeatColumns & RepeatRows at the same time.
    2、VBA project will be left untouched if its not accessed.
    3、Fixed problem with strings on save.
    4、Added locks to the cellstore for access by mulitple threads.
    5、Implemented Indirect function
    6、Used DisplayNameAttribute to generate column headers from LoadFromCollection
    7、Rewrote ExcelRangeBase.Copy function.
    8、Added caching to Save ZipStream for Cells and shared strings to speed up the     Save method.
    9、Added Missing InsertColumn and DeleteColumn
    10、Added pull request to support Date1904
    11、Added pull request ExcelWorksheet.LoadFromDataReader
二、源码特点
    EPPlus 支持
    单元格范围，单元格样式(Border, Color, Fill, Font, Number, Alignments)，Charts，图片，形状，批注，表，保护，加密，数据透视表，数据验证，条件格式，VBA
三、功能介绍
    EPPlus 是使用Open Office XML格式（xlsx）读写Excel 2007 / 2010文件的.net开发库。