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开源软件名称:skip2/go-qrcode开源软件地址:https://github.com/skip2/go-qrcode开源编程语言:Go 100.0%开源软件介绍:go-qrcodePackage qrcode implements a QR Code encoder. A QR Code is a matrix (two-dimensional) barcode. Arbitrary content may be encoded, with URLs being a popular choice :) Each QR Code contains error recovery information to aid reading damaged or obscured codes. There are four levels of error recovery: Low, medium, high and highest. QR Codes with a higher recovery level are more robust to damage, at the cost of being physically larger. Install
A command-line tool Usage
All examples use the qrcode.Medium error Recovery Level and create a fixed 256x256px size QR Code. The last function creates a white on black instead of black on white QR Code. DocumentationDemoappCLIA command-line tool
Maximum capacityThe maximum capacity of a QR Code varies according to the content encoded and the error recovery level. The maximum capacity is 2,953 bytes, 4,296 alphanumeric characters, 7,089 numeric digits, or a combination of these. Borderless QR CodesTo aid QR Code reading software, QR codes have a built in whitespace border. If you know what you're doing, and don't want a border, see https://gist.github.com/skip2/7e3d8a82f5317df9be437f8ec8ec0b7d for how to do it. It's still recommended you include a border manually. Links
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