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July 14, 2022 13:42
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Generate a WhatsApp QR-code with custom logo in the middle
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/awesome-qr/2.1.5-rc.0/awesome-qr.min.js" integrity="sha512-UpkZj9Z6XEPriWyGB7t7Hf4la5r6kLnxVzmjSpxqn9MFScD2m+m9QZyhKLOJW6lYTgGQB9UPEciaLizU0yZUeA==" crossorigin="anonymous" referrerpolicy="no-referrer"></script> | |
| <script> | |
| async function generate(input) { | |
| let file = input?.files?.[0]; | |
| let logo = null; | |
| if (file) { | |
| logo = window.URL.createObjectURL(file); | |
| } | |
| let phoneNumber = document.querySelector('#phoneinput')?.value; | |
| let text = document.querySelector('#messageinput')?.value; | |
| let url = `https://wa.me/${encodeURIComponent(phoneNumber)}?text=${encodeURIComponent(text)}`; | |
| new AwesomeQR.AwesomeQR({ | |
| text: url, | |
| size: 500, | |
| logoImage: logo, | |
| }).draw().then((dataURL) => { | |
| document.querySelector('#qrcode').src = dataURL; | |
| }); | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <p> | |
| <input type="file" onchange="generate(this)" accept="image/*"><br> | |
| <input type="text" onchange="generate(this)" id="phoneinput" placeholder="Phone number"> | |
| <input type="text" onchange="generate(this)" id="messageinput" placeholder="Message"> | |
| </p> | |
| <p> | |
| <img id="qrcode"> | |
| </p> | |
| </body> | |
| </html> |
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Just a basic PoC
