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qrcode-mini

v1.0.5

Published

Mini program QR code generation

Downloads

13

Readme

qrcode-mini

支持微信、支付宝等小程序二维码生成

使用

$ npm i qrcode-mini
or
$ yarn add qrcode-mini
or
$ pnpm add qrcode-mini

view

<canvas type="2d" id="myCanvas" style="width: 100px; height: 100px"></canvas>

js

示例微信小程序

import qrcode from 'qrcode-mini';
Page({
  onReady() {
    const query = wx.createSelectorQuery();
    query
      .select('#myCanvas')
      .fields({ node: true, size: true })
      .exec((res) => {
        const canvas = res[0].node;
        const dpr = wx.getSystemInfoSync().pixelRatio;
        canvas.width = res[0].width * dpr;
        canvas.height = res[0].height * dpr;

        // 核心代码
        qrcode({
          width: canvas.width,
          height: canvas.height,
          node: canvas,
          text: 'hello world',
        });
      });
  },
});

API

| 字段 | 说明 | 类型 | | ------------ | -------------------------------------- | ------ | | width | 节点宽度 | Number | | height | 节点高度 | Number | | node | canvas 节点,别名 element / canvas | node | | correctLevel | 容错级别默认 2,可选 0/1/2/3 | Number | | foreground | 二维码颜色,默认 #000000 | String | | background | 二维码背景色,默认 #ffffff | String |

License

LICENSE

该项目还部分包含从以下项目派生或复制的代码: jquery-qrcode