Gantt charts can also be used in front-end systems! Spreadsheet control SpreadJS is easy to handle

SpreadJS combines more than 40 years of professional control technology and experience in spreadsheet applications to launch a pure front-end table control. It is based on HTML5 and is compatible with more than 450 Excel formulas. It has the product features of “high performance, cross-platform, and high compatibility with Excel”. It is favored by well-known […]

tp6.0+PhpSpreadsheet+Excel table import and export methods with pictures

use PhpOffice\PhpSpreadsheet\IOFactory; use PhpOffice\PhpSpreadsheet\cell\Coordinate; /** * Submit EXECL form with pictures to import data */ public function upload_field_excel_post() { $file_url = $this->request->param(‘file_url’); //File path if (!empty($file_url)) { $filePath = $_SERVER[‘DOCUMENT_ROOT’] . ‘/upload/’ . $file_url; //If the file exists if (file_exists($filePath)) { //Check whether the file exists $exts = pathinfo($filePath, PATHINFO_EXTENSION); //File type // There are […]

Python-processing Excel spreadsheets (Part 2)

(Recording the 7th day of study) 1. Read the table 1.1 Reading worksheets from workbooks 1.2 Get cells from the table 1.3 Conversion between column letters and numbers For these three parts, see Processing Spreadsheets (Part 1) 1.4 Get rows and columns from the table import openpyxl wb = openpyxl.load_workbook(‘example.xlsx’) sheet = wb[‘Sheet1’] print(tuple(sheet[‘A1′:’C3’]))#Pay attention […]

tp6.0+PhpSpreadsheet+Excel table import and export methods with pictures

use PhpOffice\PhpSpreadsheet\IOFactory; use PhpOffice\PhpSpreadsheet\cell\Coordinate; /** * Submit EXECL form with pictures to import data */ public function upload_field_excel_post() { $file_url = $this->request->param(‘file_url’); //File path if (!empty($file_url)) { $filePath = $_SERVER[‘DOCUMENT_ROOT’] . ‘/upload/’ . $file_url; //If the file exists if (file_exists($filePath)) { //Check whether the file exists $exts = pathinfo($filePath, PATHINFO_EXTENSION); //File type // There are […]

Basic use of PhpSpreadsheet to operate Excel

Installation dependencies composer require phpoffice/phpspreadsheet $spreadsheet = new Spreadsheet(); $sheet = $spreadsheet->getActiveSheet(); // Get the currently active worksheet #Global Operation #Global Vertical Centering $spreadsheet->getDefaultStyle()->getAlignment()->setVertical(Alignment::VERTICAL_CENTER); #Global horizontal centering $spreadsheet->getDefaultStyle()->getAlignment()->setHorizontal(Alignment::HORIZONTAL_CENTER); #Global automatic word wrapping $spreadsheet->getDefaultStyle()->getAlignment()->setWrapText(true); #Set Excel document properties $spreadsheet->getProperties() ->setCreator(“mrcdh”) // Author ->setLastModifiedBy(“mrcdh”) // Last modified by ->setTitle(“Office 2007 XLSX Test Document”) // Title ->setSubject(“Office 2007 […]

PhpOffice/PhpSpreadsheet reads and writes Excel

PhpSpreadsheet is a component library written in pure PHP. It uses modern PHP writing. The code quality and performance are much higher than PHPExcel. It can completely replace PHPExcel (PHPExcel is no longer maintained). Using PhpSpreadsheet can easily read and write Excel documents, and supports all operations of Excel. 1. Getting to know PhpSpreadsheet Software […]

phpspreadsheet excel import and export

The maximum number of rows in Excel2003 version of a single sheet is 65536 rows. The version starting from Excel2007 has a maximum number of rows of 1,048,576 rows. The maximum number of columns in Excel2003 is 256 columns, and the version above 2007 is 16384 columns. xlswriter xlswriter – PHP high-performance Excel extension with […]

python – processing excel spreadsheets – openpyxl module

Foreword openpyxl module: can read and modify Excel spreadsheet files Software name and software download address LibreOffice Calc Apache OpenOffice – Official Site – The Free and Open Productivity Suite OpenOffice Calc Home | LibreOffice – Free Office Suite – Based on OpenOffice – Compatible with Microsoft An Excel spreadsheet document is called a workbook […]

PHP uses PhpSpreadsheet to implement a drop-down box list when exporting Excel (can support three-level linkage)

Because the project needs to export the Excel table, it needs to support drop-down and also need to support the three-level linkage function Currently, PHPExcel is not being maintained, but PhpSpreadsheet is used instead The effect is as shown in the figure: Step 1: First use composer to get PhpSpreadsheet My PHP version 7.4 command […]