uniapp 生成二维码
1：下载qrcodejs
2：把下载好的js放入common文件夹中
3：在需要的页面引入js，调用代码：
<template>
<view class="screen-full t-center pt-30">
<view class=" bg-fff t-center border-radius mg-30">
<canvas id="qrcode" canvas-id="qrcode" class="w-h-120 "></canvas>
</view>
</view>
</template>
<script>
import uqrCode from '@/common/uqrcode.js'
export default {
data() {
return {
id: 0,
qrcode: false
}
},
onLoad(e) {
this.id = e.id;
this.generateQRCode();
},
methods: {
generateQRCode() {
const text = "http://www.baidu.com/goout_detail?id=" + this.id;
uqrCode.make({
canvasId: 'qrcode',
componentInstance: this,
text: text, // 想生成二维码到内容
size: 120,
margin: 0,
backgroundColor: '#ffffff',
foregroundColor: '#000000',
fileType: 'jpg',
errorCorrectLevel: uqrCode.errorCorrectLevel.H,
success: res => {
this.imgCode = res // base64的图片格式
}
})
}
}