html

   <canvas ref="canvas" width="200" height="200" id="canvas"></canvas>

js

import { QRCodeDraw } from 'qrcode-xizaozoa'

let qrcodedraw = new QRCodeLib.QRCodeDraw()
    qrcodedraw.draw(
        this.$refs.canvas, 
        this.value,
    {
    errorCorrectLevel:"H",// ['L','M','Q','H'] 质量由低到高 L =》 LOW H 
    margin:10,
    backgroundColor:"#fff",
    color:'#000',
    scale:10
    }, 
    (error,canvas,width) => {
     // this.generated = true
})

demo

http://qrcode.xizaozao.vip/