根据连接生成二维码并可下载

const canvasObj = document.getElementById('qrimg')
   // canvas dom
      QRCode.toCanvas(canvasObj, url, (error) => {
        if (error) {
          console.error(error)
        } else {
     // 下载
          const Ob = document.getElementById('down')
          Ob.href = canvasObj.toDataURL()
          Ob.download = `${this.alterParams.NAME}-渠道二维码`
        }
      })

jackywongmm / noteBook

根据连接生成二维码并可下载 #5