npm i v-qrcode --save

<template>
    <div>
        <qrcode :cls="qrCls" :value="qrText"></qrcode>
    </div>
</template>

<script>
import Qrcode from 'v-qrcode/src/index'

export default {
    data () {
        return {
            qrCls: 'qrcode',
            qrText: 'hello world'
        }
    },
    components: {
        Qrcode
    }
}
</script>

• value: the string to generate QR Code

• cls: the classname of wrapper, '' by default

• size: qrcode's size, 100*100 by default

• level: qrcode's level, L by default, value can be one of L, Q, M, H,

• background: the background color, #fff by default

• foreground: the foreground color, #000 by default

• mime: the mime type of image, image/png by default

• padding: the padding between qrcode and wrapper, 0 by default

• type: the output type can be either canvas or image

demo