java二维码qrcode生成代码下载，进行加密，解密，相对于最代码xiaoxiaot的更为简便他的有三个类，而且为进行二维码的加密，这次是对二维码进行了加密。-Java qr code qrcode generated code downloads, encrypt, decrypt, relative to the code xiaoxiaot simpler he has three classes, and for the qr code encryption, this is the

1 QR codes are two-dimensional bar codes that can contain any alphanumeric text and often feature URLs that direct users to sites where they can learn about an object or place (a practice known as “mobile tagging”). Decoding software on to