How does PHPExcel lock columns?

the class library used by the development language: PHP,: PHPExcel
purpose: one of the exported excel, columns does not want to be modified by the user.
Action: the code $objPHPExcel- > getActiveSheet ()-> freezePane ("D1") is used;
result: it is not easy to use. The current column can still be modified at will.

Php
Nov.07,2021
Menu