056：vue工具 --- CSS在线格式化

专栏目标

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

应用场景

vue项目中，如何做CSS在线格式化呢，下面的示例就是这样的一个小工具，具体的看源代码

示例效果

示例源代码（共90行）

/*
* @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: 2909222303@qq.com
* @weixin: gis-dajianshi
* @First published in CSDN
* @First published time: 2023-12-19
*/

<template>
	<div class="djs-box">
		<div class="topBox">
			<h3>vue工具：CSS在线格式化 </h3>
			<div>大剑师兰特, 还是大剑师兰特，gis-dajianshi</div>
		</div>
		<div class="dajianshi">
			<el-input type="textarea" :rows="10" v-model="textdata" style="font-size: 18px;"></el-input>
		</div>
		<h4>
			<el-button type="success" size="small" @click="CSSencode(textdata)">横向排列</el-button>
			<el-button type="primary" size="small" @click="CSSdecode(textdata)">竖向排列</el-button>
		</h4>
	</div>
</template>

<script>
	export default {
   
		data() {
   
			return {
   
				textdata: '',
			}
		},
		mounted() {
   

		},
		methods: {
   
			CSSencode(code) 
			{
    
			 code = code.replace(/\r\n/ig,''); 
			 code = code.replace(/(\s){2,}/ig,'$1'); 
			 code = code.replace(/\t/ig,''); 
			 code = code.replace(/\n\}/ig,'\}'); 
			 code = code.replace(/\n\{\s*/ig,'\{'); 
			 code = code.replace(/(\S)\s*\}/ig,'$1\}'); 
			 code = code.replace(/(\S)\s*\{
    /ig,'$1\{'); 
			 code = code.replace(/\{\s*(\S)/ig,'\{$1'); 
			 this.textdata=code; 
			} ,
			CSSdecode(code) 
			{
    
			 code = code.replace(/(\s){2,}/ig,'$1'); 
			 code = code.replace(/(\S)\s*\{
    /ig,'$1 {'); 
			 code = code.replace(/\*\/(.[^\}\{]*)}/ig,'\*\/\n$1}'); 
			 code = code.replace(/\/\*/ig,'\n\/\*'); 
			 code = code.replace(/;\s*(\S)/ig,';\n\t$1'); 
			 code = code.replace(/\}\s*(\S)/ig,'\}\n$1'); 
			 code = code.replace(/\n\s*\}/ig,'\n\}'); 
			 code = code.replace(/\{\s*(\S)/ig,'\{\n\t$1'); 
			 code = code.replace(/(\S)\s*\*\//ig,'$1\*\/'); 
			 code = code.replace(/\*\/\s*([^\}\{]\S)/ig,'\*\/\n\t$1'); 
			 code = code.replace(/(\S)\}/ig,'$1\n\}'); 
			 code = code.replace(/(\n){2,}/ig,'\n'); 
			 code = code.replace(/:/ig,':'); 
			 code = code.replace(/  /ig,' '); 
			this.textdata=code; 
			}	
		}
	}
</script>
<style scoped>
	.djs-box {
   
		width: 900px;
		height: 580px;
		margin: 50px auto;
		border: 1px solid seagreen;
	}

	.topBox {
   
		margin: 0 auto 0px;
		padding: 10px 0 20px;
		background: #666;
		color: #fff;
	}

	.dajianshi {
   
		width: 90%;
		height: 300px;
		margin: 50px auto 0;
	}
</style>