关于javascript:生成二维码插件qrcode

用法:
1.下包: npm install --save qrcode

2.导包: import QRCode from 'qrcode'

3.用包:

<template>  <div>    <img :src="src" alt="" />  </div></template><script>import QRCode from 'qrcode'export default {  data () {    return {      src: ''    }  },  mounted () {    // QRCode.toDataURL(    //   'https://vant-contrib.gitee.io/vant/#/zh-CN/popup',    //   (err, url) => {    //     console.log(url)    //     this.src = url    //   }    // )    QRCode.toDataURL('https://vant-contrib.gitee.io/vant/#/zh-CN/popup').then(      url => {        this.src = url      }    )  }}</script><style></style>

链接:
npm-qrcode:https://www.npmjs.com/package/qrcode