029：vue项目，勾选后今天不再弹窗提示

川长思鸟来 2024-03-04 06:02 55阅读 0赞

![在这里插入图片描述][32d2a1d099334cfba6adc4f84dd79e22.png_pic_center]

第029个

查看专栏目录: [VUE][] \------ [element UI][]

### 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

#### 本文章目录 ####

*   *  专栏目标
     *  需求背景
     *  示例效果
     *  示例源代码（共90行）
     *  核心代码

### 需求背景 ###

在vue项目开发中，经常用到某些提示。勾选后，要求今天不再弹窗提示。这个示例是一个演示，通过设置和获取localStorage中某个值来判断是否提示。

### 示例效果 ###

![在这里插入图片描述][15b4bd4b63364f608ce8ad562d054f5f.gif_pic_center]

### 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: 2022-09-08
    */
    <template>
    	<div class="container">
    		<div class="top">
    			<h3>vue项目，勾选后今天不再弹窗提示 </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="showInfo()"> 点击判断提示 </el-button>
    		</h4>
    		<div class="tipBox" v-if="isbox">
    			<h3>提示弹窗</h3>
    			<el-checkbox v-model="noTip" @change='noTipAgain()'>不再提示</el-checkbox>
    			<div class="close" @click="isbox=false">
    				<el-button type="primary" size="mini"> 关闭 </el-button>
    			</div>
    		</div>
    	</div>
    </template>
    <script>
    	import dayjs from "dayjs";
    	export default {
        
    		data() {
        
    			return {
        
    				isbox: false,
    				noTip: false,
    			}
    		},
    		methods: {
        
    			showInfo() {
        
    				let noTipTime = localStorage.getItem('noTipTime')
    				let curtime = dayjs().unix() * 1000
    				if (noTipTime) {
        
    					if (noTipTime > curtime) {
        
    						this.$message({
        
    							type: "error",
    							message: '今天已经不再提示了！'
    						})
    					} else {
        
    						this.isbox = true;
    						this.noTip = false
    					}
    				} else {
        
    					this.isbox = true;
    				}
    			},
    			noTipAgain() {
        
    				if (this.noTip) {
        
    					let curdate = dayjs(new Date()).format('YYYY-MM-DD');
    					let curdayTime = dayjs(curdate).unix() * 1000 + 24 * 60 * 60 * 1000
    					localStorage.setItem('noTipTime', curdayTime)
    				}
    			},
    		},
    	}
    </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: orange;
    		color: #fff;
    	}
    	.tipBox {
        
    		position: absolute;
    		left: calc(50% - 150px);
    		top: calc(50%);
    		width: 300px;
    		height: 200px;
    		border: 1px solid blue;
    		background: #f4f4f4;
    	}
    	.close {
        
    		margin-top: 60px;
    	}
    </style>

### 核心代码 ###

showInfo() {
    				let noTipTime = localStorage.getItem('noTipTime')
    				let curtime = dayjs().unix() * 1000
    				if (noTipTime) {
    					if (noTipTime > curtime) {
    						this.$message({
    							type: "error",
    							message: '今天已经不再提示了！'
    						})
    					} else {
    						this.isbox = true;
    						this.noTip = false
    					}
    				} else {
    					this.isbox = true;
    				}
    			},
    			noTipAgain() {
    				if (this.noTip) {
    					let curdate = dayjs(new Date()).format('YYYY-MM-DD');
    					let curdayTime = dayjs(curdate).unix() * 1000 + 24 * 60 * 60 * 1000
    					localStorage.setItem('noTipTime', curdayTime)
    				}
    			},

[32d2a1d099334cfba6adc4f84dd79e22.png_pic_center]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/04/eaeb3e60d01442fabaca9f8ea8823751.png
[VUE]: https://blog.csdn.net/cuclife/article/details/131138955
[element UI]: https://blog.csdn.net/cuclife/article/details/131140113
[15b4bd4b63364f608ce8ad562d054f5f.gif_pic_center]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/04/d378c84456304995b6da2b36c9feb14f.png