微信小程序生成条码和二维码模块。

效果图

第一步安装

$ npm install wxbarcode

使用在需要的页面引入并使用

import wxbarcode from 'wxbarcode'

wxbarcode.barcode('barcode', '1234567890123456789', 680, 200);
wxbarcode.qrcode('qrcode', '1234567890123456789', 420, 420);

完整的代码

<template>
	<view class="container page">
	  <view class="panel">
	    <view class="barcode">
	      <view class="barnum">{{data.code}}</view>
	      <canvas canvas-id="barcode" />
	    </view>
	    <view class="qrcode">
	      <canvas canvas-id="qrcode" />
	    </view>
	  </view>
	</view>
	
</template>

<script setup>
	import { onMounted, reactive } from 'vue';
	import wxbarcode from 'wxbarcode'
		 const data=reactive({
			 code:'1234567890123456789'
		 })
	 onMounted(()=>{
		 wxbarcode.barcode('barcode', '1234567890123456789', 680, 200);
		 wxbarcode.qrcode('qrcode', '1234567890123456789', 420, 420);
	 })
	
	
</script>

<style scoped>
page {
    background-color: #439057;
}

.page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.container {
	padding-bottom: 10rpx;
}

.panel {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: stretch;
    box-sizing: border-box;
    width: 710rpx;
    margin-top: 40rpx;
    border-radius: 10rpx;
    background-color: #fff;
}

.barcode {
    display: flex;
    height: 320rpx;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.barnum {
    width: 670rpx;
    height: 100rpx;
    line-height: 100rpx;
    font-size: 38rpx;
    font-weight: bold;
    text-align: center;
    letter-spacing: 10rpx;
    white-space: nowrap;
}

.barcode > canvas {
    width: 680rpx;
    height: 200rpx;  
}

.qrcode {
    height: 420rpx;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
}

.qrcode > canvas {
    width: 420rpx;
    height: 420rpx;
}
</style>