前端生成二维码

import QRCode from 'qrcode';


  QRCode.toDataURL(res.data.qrcodeUrl, {
    margin: 2,
    type: 'image/jpeg',
    quality: 0.3
  }, (error, url) => {
    if (error) console.error(error);
    this.qrcodeSrc = url;
    this.timer = setInterval(this.getStatus, 2000);
  });