PhpSpreadsheet File I/O: Reading and Writing Various Formats
File Reading and Writing
As you know from the architecture, the basic PhpSpreadsheet class cannot perform read/write operations on persistent storage. For this purpose, PhpSpreadsheet provides readers and writers, which implement \PhpOffice\PhpSpreadsheet\Reader\IReader and \PhpOffice\PhpSpreadsheet\Writer\IWriter.
\PhpOffice\PhpSpreadsheet\IOF ...
Posted on Sat, 27 Jun 2026 16:36:57 +0000 by bundred
Reading Excel Files in Python with openpyxl
Excel Structure Basics
An Excel file with the .xlsx extension represents a workbook. Within a workbook, you can have multiple worksheets, and the currently active worksheet is accessed via the active property. Each workshete contains rows (numbered 1, 2, 3...) and columns (lettered A, B, C...). The intersection of a specific row and column form ...
Posted on Sat, 16 May 2026 05:38:10 +0000 by the apprentice webmaster
Merging and Unmerging Excel Cells Using Java
Cell merging in Excel combines two or more adjacent cells in the same row or column into a single cell. This article demonstrates how to use Free Spire.XLS for Java to merge and unmerge cells in Excel spreadsheets.
Prerequisites:
Download Free Spire.XLS for Java and extract the package. Add the Spire.Xls.jar file from the lib folder as a depen ...
Posted on Wed, 13 May 2026 21:35:13 +0000 by dallasx