为了简化开发,可以选择一些成熟的JavaScript库来辅助实现二维码的解码。常用的库有jsQR、instascan、qrcode-reader等。 jsQR:一个纯JavaScript实现的二维码解码库,不依赖任何外部库。 instascan:基于jsQR和getUserMedia API的二维码扫描器,提供了更高级的封装和易用的API。 实战步骤 以下是一个使用instascan库在Web端实现...
thomasbilliet.com/react-qr-reader Known Issues Due to browser implementations the camera can only be accessed over https or localhost. In Firefox a prompt will be shown to the user asking which camera to use, sofacingModewill not affect it. ...
npm i react-qr-reader YARN yarn add react-qr-reader Example Usage After reading and performing the previous steps, you should be able to import the library and use it like in this example: import React, { useState } from 'react'; import { QrReader } from 'react-qr-reader'; const Test...
Dynamsoft Barcode Reader can detect multiple barcodes and QR codes from a single image. However, image quality affects detection accuracy. As shown in the above image, to capture all barcodes and QR codes, you may need to increase the camera’s depth of field, which can make the codes ...
https://www.okdo.com/gettingstartedpi4/ (二维码自动识别) 免费的Web端QR二维码扫描程序 如果你只是想体验Web端的QR二维码,以及其它条形码的扫描,可以在浏览器直接打开https://demo.dynamsoft.com/barcode-reader-js/ 源码 https://github.com/yushulx/javascript-barcode-scanner...
https://jodusnodus.github.io/react-qr-readerKnown IssuesServer side rendering won't work so only require the componont when rendering in a browser environment. Due to browser implementations the camera can only be accessed over https or localhost. In Firefox a prompt will be shown to the ...
See the QR Code Reader in Action Here’s the working project in codesandbox. Click on the QR button and show the camera some QR code to scan. Hold it in place for an instant and you’ll get your result. You’ll be surprised at how fast and smooth it is. ...
http://xxx.cgi?code=999&time=YYYYMMDDhhmmss&name=YYY. URL is available to read with QR code reader. Parameters except "code" can be omitted. Parameter "name" is useful to identify UE. POST and GET are possible to select. Also encoding is available. ...
表单的用途很多。表单的用途主要用来收集客户端提供的相关信息，是网页具有相互交互的功能，是用户与网站...
Enable Experimental Features in Camera App 2. Use QR Code Reader App There are plenty of free and paid apps available for generating and scanning QR codes in Windows 11. For example, WiFi QR Code Scanner is a special app for scanning and connecting to a Wi-Fi network through a QR code....