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 , $notify, el-breadcrumb, el-page-header,el-tabs ,el-dropdown,el-steps,el-dialog, el-tooltip, el-popover, el-popconfirm, el-card, el-carousel, el-collapse, el-timeline, el-divider, el-calendar, el-image, el-backtop,v-infinite-scroll, el-drawer等
本文章目录
- 专栏目标
- 示例背景
- 示例效果图
- 示例源代码
示例背景
根据vue项目的需求,需要做一维数组的全选、全不选、反选功能。 怎么制作呢? 主要是判断循环选中的状态,做数据的更改设置即可。 下面是一个示例,具体参考源代码。
示例效果图
示例源代码
/*
* @Author: 大剑师兰特(xiaozhuanlan),还是大剑师兰特(CSDN)
* @此源代码版权归大剑师兰特所有,可供学习或商业项目中借鉴,未经授权,不得重复地发表到博客、论坛,问答,git等公共空间或网站中。
* @Email: 2909222303@qq.com
* @weixin: gis-dajianshi
* @First published in CSDN
* @First published time: 2024-01-11
*/
<template>
<div class="djs-box">
<div class="topBox">
<h3>vue中一维数组全选、全不选、反选 </h3>
<div>大剑师兰特, 还是大剑师兰特,gis-dajianshi</div>
</div>
<div class="dajianshi">
<div class="box">
<h4>变换后的一维数组</h4>
<p v-for="(item,index) in arr1" :key="index">
<el-checkbox v-model="item.isChecked" >
内容:{{item.info}}-时间:{{item.time}}</el-checkbox>
</p>
<h4>
<el-button @click="chooseAll()" type="primary" size="mini"> 全选</el-button>
<el-button @click="clearAll()" type="primary" size="mini"> 全不选</el-button>
<el-button @click="inverse()" type="primary" size="mini">反选</el-button>
</h4>
</div>
</div>
</div>
</template>
<script>
export default {
data() {
return {
isCart: false,
arr: [{
'time': '2023-12-07',
'code': 'S10',
'Gname': 'G10',
'info': '大剑师1'
},
{
'time': '2023-12-07',
'code': 'S10',
'Gname': 'G10',
'info': '大剑师2'
},
{
'time': '2023-12-07',
'code': 'S11',
'Gname': 'G11',
'info': '大剑师3'
},
{
'time': '2023-12-08',
'code': 'S10',
'Gname': 'G10',
'info': '大剑师4'
},
{
'time': '2023-12-08',
'code': 'S11',
'Gname': 'G11',
'info': '大剑师5'
},
{
'time': '2023-12-09',
'code': 'S12',
'Gname': 'G12',
'info': '大剑师6'
}
],
arr1: [],
}
},
mounted() {
this.arr1 = this.dajianshi_arr1to1(this.arr);
console.log(this.arr1)
},
methods: {
chooseAll(){
for(let i=0;i<this.arr1.length;i++){
this.$set(this.arr1[i],'isChecked', true)
}
},
clearAll(){
for(let i=0;i<this.arr1.length;i++){
this.$set(this.arr1[i],'isChecked', false)
}
},
inverse(){
for(let i=0;i<this.arr1.length;i++){
let x=this.arr1[i].isChecked;
this.$set(this.arr1[i],'isChecked', !x)
}
},
dajianshi_arr1to1(arr) {
let newArr = arr.map((item, index) => {
return {
...item,
isChecked: false,
}
})
return newArr;
},
}
}
</script>
<style scoped>
.djs-box {
width: 1000px;
height: 680px;
margin: 50px auto;
border: 1px solid blueviolet;
}
.topBox {
margin: 0 auto 0px;
padding: 10px 0 20px;
background: black;
color: #fff;
}
.dajianshi {
width: 98%;
height: 520px;
margin: 20px auto 0;
}
.box {
width: 50%;
height: 100%;
margin: 0 auto;
overflow-y: auto;
background: #fed;
padding-left: 15px;
text-align: center;
box-sizing: border-box;
}
</style>