首先需要引入该库: <script src=" 1. 然后编写JavaScript代码来处理文件上传和QR码解析: constfileInput=document.getElementById('fileInput');constqrCodeResult=document.getElementById('qrCodeResult');fileInput.addEventListener('change',function(e){constfile=e.target.files[0];if(!file)return;constreade...
接下来,我们需要编写 JavaScript 代码,以实现摄像头接入、图像处理和条码识别的功能: constcodeReader=newZXing.BrowserMultiFormatReader();constvideoElement=document.getElementById('video');constresultElement=document.getElementById('barcode');functionstartCamera(){navigator.mediaDevices.getUserMedia({video:{facing...
JavaScript QRCode reader for HTML5 enabled browser. 2011 Lazar Laszlo http://lazarsoft.info Try it online: http://webqr.com This is a port of ZXing qrcode scanner, http://code.google.com/p/zxing. Usage: Include the scripts in the following order: <script type="text/javascript" src=...
var_aa={};_aa._ab=function(f,e){vard=qrcode.width;varb=qrcode.height;varc=true;for(varg=0;g<e.length&&c;g+=2){vara=Math.floor(e[g]);varh=Math.floor(e[g+1]);if(a<-1||a>d||h<-1||h>b){throw"Error._ab "}c=false;if(a==-1){e[g]=0;c=true}else{if(a==d)...
JavaScript QRCode reader for HTML5 enabled browser. 2011 Lazar Laszlo http://lazarsoft.info Try it online: http://webqr.com This is a port of ZXing qrcode scanner, http://code.google.com/p/zxing. Usage: Include the scripts in the following order: <script type="text/javascript" src=...
jsQR 一个完全独立的javascript 二维码识别库 简介:jsQR 是一款纯粹的由javascript实现的二维码识别库,可以在浏览器端使用,也可以在后端node.js环境使用。我之前使用过其他的识别库,例如:qrcode-reader 或其他,在使用上都比较麻烦,而且识别率并不高。jsQR是后来发现的,感觉(没有实际对比验证)jsQR识别率要更高些,...
然后,我们编写JavaScript函数来实现扫描二维码的功能: <script>function scanQRCode() {const fileInput = document.getElementById('fileInput');fileInput.click();fileInput.onchange = function() {const file = fileInput.files[0];const reader = new FileReader();reader.onload = function(e) {const img...
If you scan the following QR code with your iPhone’s camera, you will be prompted to add a contact.In this article, we are going to build an HTML page to generate vCard QR codes and another page to scan the QR code based on the Dynamsoft Barcode Reader SDK. An advantage of having...
我正在研究 QRCode Reader 和 JavaScript 。如果用户在我的网站上,它会请求使用设备相机的权限。一旦用户接受它,它就会打开前置摄像头。我使用的是三星 Galaxy S4 和最新的 Chrome 版本,目前运行良好。
Customize the UI with 200+ APIs for every use case. View Demos > See all Features 1M+Active users 21Years in Business 10K+Customers Get PricingGet Free Trial Fully Customizable Web Barcode Scanning All-in-One Web Scanning SDK Decode most common barcode and QR code formats ...