二维码 (2-dimensional bar code),是用某种特定的几何图形按一定规律在平面(二维方向上)分布的黑白相间的图形记录数据符号信息的。 在许多种类的二维条码中,常用的码制有:Data Matrix, Maxi Code, Aztec, QR Code, Vericode, PDF417, Ultracode, Code 49, Code 16K等。 二维条码/二维码可以分为堆叠式/行排式...
二维码的发展历史可以追溯到20世纪90年代初。在那个时候，日本企业Denso Wave开发了一种名为QR码（Quick Response Code）的二维码，以解决条形码的数据存储容量不足的问题。QR码可以存储数百个字符，比条形码大大提高了数据传输的效率和准确性。QR码很快在日本广泛应用，成为移动支付、电子门票、营销等领域的重要工具。...
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📶 Print a QR code for connecting to your WiFi (wificard.io) reactqrcodewifidogs-over-catswificard UpdatedAug 31, 2024 JavaScript zxlie/FeHelper Star5.2k Code Issues Pull requests 😍FeHelper--Web前端助手(Awesome!Chrome & Firefox & MS-Edge Extension, All in one Toolbox!) ...
QrCode二维码的实现原理 前言 得益于微信的推广,QR二维码可以说已经融入了生活的方方面面,通过二维码极大的缩短了业务流程路径,目前日常最常用的场景莫过于支付、登录认证、信息识别等。希望通过对二维码的学习,了解其背后的原理,在以后的工作中能加以运用。
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