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...
constcodeReader=newZXing.BrowserMultiFormatReader();constvideoElement=document.getElementById('video');constresultElement=document.getElementById('barcode');functionstartCamera(){navigator.mediaDevices.getUserMedia({video:{facingMode:'environment'}}).then(function(stream){videoElement.srcObject=stream;videoEle...
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,使用起来也更简单,不需要安装其他依赖软件。 我是通...
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=...
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=...
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...
Dynamsoft Barcode Reader SDK is known for its speed, versatility, reliability, accuracy, and customizability. Security a Top Priority ISO 27001 and O-TTPS certified to keep your data secure. Fully Supported Free Trial No obligation pre-salessupportto help you determine feasibility for your business...
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=...
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。