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- 在项目中安装依赖
npm install --save qrcode
2.在项目中使用
<template>
<div id='code'></div>
<canvas id="canvas" ref ="canva"></canvas>
</template>
js部分
<script>
import QRCode from 'qrcode'
mounted(){
this. useqrcode();
},
methods: {
useqrcode(){
let canvas = this.$refs.canva;
QRCode.toCanvas(canvas, 'http://www.7dingdong.com/#/homepage', function (error) {
if (error) console.error(error)
console.log('success!');
})
},
}
</script>
ok