QR code是最近很熱門的二維條碼，常可以在網站上看到，主要用來對url、文字、電話號碼或簡訊作編碼，然後透過手機上的CMOS相機作辨識。-QR code is the latest very popular two-dimensional bar code, and often can be seen on the website is mainly used on the url, text, phone number, or newsletter for coding, and then