The content of this article is about converting PHP URLs to generate QR codes. It has certain reference value. Now I share it with you. Friends in need can refer to it.
1. Use the PHP class library PHP QR Code; official website download: http://phpqrcode.sourceforge.net
2. Download and unzip, then copy (or copy) the phpqrcode folder to the project;
3. Then call this class in the controller to generate the QR code
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