安装vue-qr

npm install vue-qr --save

生成二维码实列

<vue-qr  ref="Qrcode" 
    :text="qrCodeConfig.text" 
    :download="downloadFilename" 
    :margin="10" 
    :size="200" 
    :dotScale="qrCodeConfig.dotScale" 
    :colorDark="qrCodeConfig.colorDark"
>
</vue-qr>
data(){
    return {
        qrCodeConfig: {
            text: 'http://121.40.121.142:8080/register?parent_id='+id,
            dotScale: 0.9,
            colorDark: '#663300'
        },
        downloadFilename:''
    }
}

属性介绍

下载二维码

downloadImg () {
      const iconUrl = this.$refs.Qrcode.$el.src
      let a = document.createElement('a')
      let event = new MouseEvent('click')
      a.download = '二维码'
      a.href = iconUrl
      a.dispatchEvent(event)
}

链接: https://fly63.com/article/detial/5606