生成EXCEL文件是经常需要用到的功能,我们利用一些开源库可以很容易实现这个功能. 方法一:利用excellibrary,http://code.google.com/p/excellibrary/ excellibrary是国人写的开源组件,很容易使用,可惜貌似还不支持.xlsx(Excel 2007),例子如下: //Create the data set and table DataSet ds = new DataSet("New_DataSet"); DataTable dt
我之前写过一篇PHP读取csv文件的内容 上代码index.php <?php /** * * @author XC * */ class Excel { public $currentSheet; public $filePath; public $fileType; ; public $allColumn; public $allRow; public function initialized($filePath) { if (file_exists($filePath)) { $this-
NPOI DLL下载地:http://npoi.codeplex.com/releases using NPOI.HSSF.UserModel; using NPOI.SS.UserModel; using NPOI.XSSF.UserModel; using System; using System.Collections.Generic; using System.Data; using System.IO; using System.Linq; using System.Web; usin
读取特别大的xlsx文件时, 需要使用StreamingReader, 可以控制JVM内存峰值在200M以内 InputStream is = new FileInputStream(new File(filePath)); StreamingReader reader = StreamingReader.builder() .rowCacheSize(10) // number of rows to keep in memory (defaults to 10) .bufferSize(102
1.下载安装对应系统位数的JDK包(Java SE Development Kit) 2.完成后,安装rJava包-low-level r to Java Interface install.packages("rJava") 3.安装xlsxjars包-package required POI jars for the xlsx package install.packages("xlsxjars") 4.安装xlsx包-read,write,format Exc