use Endroid\QrCode\QrCode; // 把要转换的字符串作为 QrCode 的构造函数参数 $qrCode = new QrCode($wechatOrder->code_url); // 将生成的二维码图片数据以字符串形式输出,并带上相应的响应类型 return response($qrCode->writeString(), 200, ['Content-Type' => $qrCode->getContentType()]); 对...
node.value=""; qrcode.callback=function(res) {if(resinstanceofError) {alert("No QR code found. Please make sure the QR code is within the camera's frame and try again."); }else{ node.parentNode.previousElementSibling.value= res;alert("The Item ID is "+ reader.result); } }; qrc...
Surround the QR Code with a clear call to action, for example: “Scan to get our coupon! 10% off everything.” Use our “Design QR Code” creator, to instill life in your black and white QR Code. Brand your QR Code to make it stand out. ...
js letlong=document.documentElement.clientWidth*(288/1920)$("#qrCode").qrcode({render:"canvas",//设置渲染方式:table和canvas,使用canvas方式性能相对来说比较好.width:long,//默认宽度height:long,//默认高度typeNumber:-1,//计算模式一般默认为-1correctLevel:2,//二维码纠错级别background:"#ffffff",/...
QR码(Quick Response Code) 是二维码的一种,在正方形二位矩阵内通过黑白标识编码二进制位从而编码数据,最早发明用于日本汽车制造业追踪零部件。QR码现有40个标准版本,4个微型版本。QR码的数据编码方式有四种: 数字(Numeric):0-9 大写字母和数字(alphanumeric):0-9,A-Z,空格,$,%,*,+,-,.,/,: ...
QR码(Quick Response Code) 是二维码的一种,在正方形二位矩阵内通过黑白标识编码二进制位从而编码数据,最早发明用于日本汽车制造业追踪零部件。QR码现有40个标准版本,4个微型版本。QR码的数据编码方式有四种: 数字(Numeric):0-9 大写字母和数字(alphanumeric):0-9,A-Z,空格,$,%,*,+,-,.,/,: 二进制/字...
Create free QR codes with logo with our free QR code generator. Generate link QR code, business card QR code, and QR code for wi-fi.
A free App to scan QRCODE (URL type) and call the web page and show the response to the user, you could use it to scan all type of QRCODE and retrieve the text…
I try to decode a qr-code from a data uri: var dataUri = 'data:image/gif;base64,R0lGODdh9gD2AIAAAAAAAP///ywAAAAA9gD2AAAC...'; decodeQrCode(dataUri, cb); I already tried qrcode-decoder-js (example with mocha test) function decodeQrCode(dataUri, cb) { qrcode.callback = cb...
17 Creative Ways to Use QR Codes Tips for Using QR Codes Final Words What Are QR Codes? A QR code is a two-dimensional code that can be read by smartphones and other devices with a camera. QR codes are commonly used to share links to websites, contact information, or make payments....