uniapp,vue Can be used

First download qrcode.js link You can create a new one in the root directory utils Folder , Download the js Put it in ）

1. introduce js And create data Variable

import qrcode from '@/utils/qrcode.js'
data() {
			return {
				url: "",
				qrcodeURL: ""
			}
		},

	methods: {
	// Generate url Two dimensional fullness 
			creatQrCode(){
			this.url = window.location.href  // Get a link to the current page url
			// this.url = 'https://stbzmall.oss-cn-guangzhou.aliyuncs.com/apk/youfenqi.apk?		versionId=CAEQDBiBgMD3xI_R2RciIGNiYzQzYmM2NjRiYzQ5MmViMjJkMDU3MmM2MDA3NmM3'
			let params = this.url; //  QR code parameters 
			var imgData = qrcode.drawImg(params, {
				typeNumber: 4, //  density 
				errorCorrectLevel: 'L', //  Error correction level 
				size: 800, //  White border 
			})
			this.qrcodeURL = imgData 
			},

}

2. Page using

<view  class="qrcode_img" >
	<img :src="qrcodeURL" mode="aspectFit"></img>
</view>


<style>
//  QR code 
	.qrcode_img {
		width: 200px;
		height: 200px;
		display: flex;
		justify-content: center;
		margin: 0 auto;
		img {
			width: 800px;
			height: 200px;
		}
	}
</style>