Front-end vue3 implements local and online file preview (including pdf/txt/mp3/mp4/docx/xlsx/pptx)

1. Only online preview is required, and the file address is accessible from the public network (1) Free preview of Microsoft office (recommended) Supports free preview of multiple office file formats such as doc/docx/xls/xlsx/ppt/pptx //Sample code //? Splice the address that needs to be previewed after https://view.officeapps.live.com/op/view.aspx?src=, as follows:\ let url=”http://xxx.com/files/demo.doc” window.open(“?https://view.officeapps.live.com/op/view.aspx?src=” + encodeURIComponent(?url)) (2) […]

Qt uses QtXlsx to operate Excel tables

1. Environment setup QtXlsx is a Qt library for reading and writing Microsoft Excel files (.xlsx). It provides a set of simple and easy-to-use APIs for convenient processing of spreadsheet data. Github download: GitHub – dbzhang800/QtXlsxWriter: .xlsx file reader and writer for Qt5 Official documentation: http://qtxlsx.debao.me/ Environment setup Unzip the compressed package QtXlsx source code […]

python-excel driver xlsxwriter

Article directory Install Used with openpyxl For other basic operations, see [openpyxl](https://blog.csdn.net/CaviaRain/article/details/134144189?spm=1001.2014.3001.5501) Insert image/internal link Insert chart Installation xlsxwriter is a non-standard library, so you need to install it yourself. The installation process is not difficult. Windows/Mac users can use pip to install it in the command line (CMD)/terminal (Terminal) pip install xlsxwriter Use with […]

Java realizes the conversion of docx, doc, xlsx, xls, ppt files into pdf files

1. The following jar packages need to be imported <!–word to pdf–> <dependency> <groupId>com.aspose</groupId> <artifactId>aspose-words</artifactId> <version>15.8.0</version> </dependency> <!–xlsx or xls to pdf–> <dependency> <groupId>com.aspose</groupId> <artifactId>aspose-cells</artifactId> <version>8.5.2</version> </dependency> <!–ppt to pdf–> <dependency> <groupId>com.aspose</groupId> <artifactId>aspose-slides</artifactId> <version>19.6</version> </dependency> 2. Remove watermark files 3. Once you are ready, start the actual operation (1), first is the conversion operation of […]

Use xlsx component in Vue.js to implement Excel export

Exporting data to Excel format is a common requirement in modern web applications. Vue.js is a popular JavaScript framework that allows us to build dynamic front-end applications. This article will introduce how to use Vue.js and xlsx components to easily implement the Excel data export function. 1. Project settings First, execute the following command on […]

Use POI and JavaCsv tools to read excel files (*.xls, *.xlsx, *.csv) and store them in the MySQL database

First configure maven: import related dependencies 1 <dependency> 2 <groupId>org.apache.poi</groupId> 3 <artifactId>poi</artifactId> 4 <version>3.14</version> 5 </dependency> 6 <dependency> 7 <groupId>org.apache.poi</groupId> 8 <artifactId>poi-ooxml</artifactId> 9 <version>3.14</version> 10 </dependency> 11 <!– https://mvnrepository.com/artifact/org.apache.poi/poi-ooxml-schemas –> 12 <dependency> 13 <groupId>org.apache.poi</groupId> 14 <artifactId>poi-ooxml-schemas</artifactId> 15 <version>3.14</version> 16 </dependency> 17 <!– https://mvnrepository.com/artifact/org.apache.xmlbeans/xmlbeans –> 18 <dependency> 19 <groupId>org.apache.xmlbeans</groupId> 20 <artifactId>xmlbeans</artifactId> 21 <version>3.0.0</version> 22 </dependency> 23 […]

PHP Excel processing xlsx

1: After obtaining the uploaded file content, import the database array function importExecl($file=”, $sheet=0,$all=false,$columnH=”){ $file = iconv(“utf-8”, “gb2312”, $file); //Transcoding if(empty($file) OR !file_exists($file)) { die(‘file not exists!’); } if(!class_exists(‘PHPExcel_Reader_Excel2007’)) { require_once(‘./PHPExcel-1.8/Classes/PHPExcel.php’); //Introduce the PHP EXCEL class } $objRead = new PHPExcel_Reader_Excel2007(); //Create reader object if(!$objRead->canRead($file)){ $objRead = new PHPExcel_Reader_Excel5(); if(!$objRead->canRead($file)){ die(‘No Excel!’); } } $cellName […]

Unity configuration table reading – data storage – reading Excel files to cs files based on NPOI – reading xlsx files

Foreword In game companies, in order to facilitate the interaction of game data between programs and planners, Excel files are generally used. The program needs to write a program that reads xlsx files. It can export xlsx files to json, xml, cs files, etc. and store them for convenience. read This article introduces how to […]

Java Excel to PDF, supports xlsx and xls formats, itextpdf [ready to use]

Java Excel to PDF itextpdf, ready to use Tool method 1. How to use 1. Local conversion 2. Internet download 2. Introduction of pom dependencies 3. Tool methods 3. Citations This article mainly organizes the tools and methods. It is organized by referring to other bloggers’ articles for easy use. Tool methods 1. How to […]