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qrcode's Introduction

qrcode


spm package Build Status Coverage Status

二维码组件,用于绘制二维码。

已添加UTF-8编码,中文生成的二维码扫描不会出现乱码。

二维码编码原理


配置说明

render string

配置用哪个节点元素画二维码,选项有tablesvgcanvas

默认的选择顺序为 canvas -> svg -> table

text string

要编码的字符串

默认:""

width number

二维码的长,单位是px

需要注意的是,当使用table或者svg绘制二维码时,会适当减小,使得能够整除二维码矩阵的维度。

默认:256

height number

二维码的宽,单位是px

需要注意的是,当使用table或者svg绘制二维码时,会适当减小,使得能够整除二维码矩阵的维度。

默认:256

correctLevel number

纠错级别,可取0、1、2、3,数字越大说明所需纠错级别越大

默认:3

background color

背景色

默认:#FFFFFF

foreground color

前景色

默认:#000000

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