在vue和element UI联合技术栈的操控下,本专栏提供行之有效的源代码示例和信息点介绍,做到灵活运用。
(1)提供vue2的一些基本操作:安装、引用,模板使用,computed,watch,生命周期(beforeCreate,created,beforeMount,mounted, beforeUpdate,updated, beforeDestroy,destroyed,activated,deactivated,errorCaptured,components,)、 $root , $parent , $children , $slots , $refs , props, $emit , eventbus ,provide / inject, Vue.observable, $listeners, $attrs, $nextTick , v-for, v-if, v-else,v-else-if,v-on,v-pre,v-cloak,v-once,v-model, v-html, v-text, keep-alive,slot-scope, filters, v-bind,.stop, .native, directives,mixin,render,国际化,Vue Router等
(2)提供element UI的经典操作:安装,引用,国际化,el-row,el-col,el-button,el-link,el-radio,el-checkbox ,el-input,el-select, el-cascader, el-input-number, el-switch,el-slider, el-time-picker, el-date-picker, el-upload, el-rate, el-color-picker, el-transfer, el-form, el-table, el-tree, el-pagination,el-badge,el-avatar,el-skeleton, el-empty, el-descriptions, el-result, el-statistic, el-alert, v-loading, $message, $alert, $prompt, $confirm , $notify, el-breadcrumb, el-page-header,el-tabs ,el-dropdown,el-steps,el-dialog, el-tooltip, el-popover, el-popconfirm, el-card, el-carousel, el-collapse, el-timeline, el-divider, el-calendar, el-image, el-backtop,v-infinite-scroll, el-drawer等
在vue项目开发中,有时候我们需要自己生成二维码来达到目的,这个示例中,我们用qrcodejs2的这个插件来实现这个功能。
/*
* @Author: 大剑师兰特(xiaozhuanlan),还是大剑师兰特(CSDN)
* @此源代码版权归大剑师兰特所有,可供学习或商业项目中借鉴,未经授权,不得重复地发表到博客、论坛,问答,git等公共空间或网站中。
* @Email: [email protected]
* @weixin: gis-dajianshi
* @First published in CSDN
* @First published time: 2022-09-15
*/
<template>
<div class="container">
<div class="top">
<h3>生成二维码</h3>
<div class="author">大剑师兰特, 还是大剑师兰特,gis-dajianshi</div>
</div>
<h4>
<el-button type="primary" @click="showQRCode()"> 点击生成二维码 </el-button>
</h4>
<div class="qrcode2" ref="dajianshi"></div>
</div>
</template>
<script>
import QRCode from 'qrcodejs2'
export default {
data() {
return {
}
},
methods: {
showQRCode() {
let url = 'https://dajianshi.blog.csdn.net/' ||window.location.href;
var qrcode = new QRCode(this.$refs.dajianshi, {
text: url,
width: 200,
height: 200,
colorDark: '#000000',
colorLight: '#ffffff',
correctLevel: QRCode.CorrectLevel.H
});
}
},
}
</script>
<style scoped>
.container {
width: 1000px;
height: 580px;
margin: 50px auto;
border: 1px solid green;
position: relative;
}
.top {
margin: 0 auto 30px;
padding: 10px 0;
background: mediumpurple;
color: #fff;
}
.qrcode2{ width: 200px; height: 200px; margin:50px auto 0; }
</style>
cnpm install --save qrcodejs2
https://www.npmjs.com/package/qrcodejs2
showQRCode() {
let url = 'https://dajianshi.blog.csdn.net/' ||window.location.href;
var qrcode = new QRCode(this.$refs.dajianshi, {
text: url,
width: 200,
height: 200,
colorDark: '#000000',
colorLight: '#ffffff',
correctLevel: QRCode.CorrectLevel.H
});
}