vue實(shí)現(xiàn)將一維數(shù)組變換為三維數(shù)組
示例背景
使用vue項(xiàng)目時(shí)候,遇到這樣一個(gè)需求,將一維數(shù)組做一定的轉(zhuǎn)換,增加一些變量,然后將變更后的一維數(shù)組轉(zhuǎn)化為三維數(shù)組。這個(gè)示例中實(shí)現(xiàn)了轉(zhuǎn)換。
示例效果圖

示例源代碼
<template>
<div class="djs-box">
<div class="topBox">
<h3>vue中將一維數(shù)組變換為三維數(shù)組 </h3>
<div>大劍師蘭特, 還是大劍師蘭特,gis-dajianshi</div>
<h4>
<el-button @click="go()" type="primary" size="mini"> 轉(zhuǎn)換數(shù)據(jù)</el-button>
</h4>
</div>
<div class="dajianshi">
<div class="left">
<h4>一維數(shù)組</h4>
<p v-for="(item,index) in arr" :key="index"> 時(shí)間:{{item.time}}-組別:{{item.satGroupName}}</p>
</div>
<div class="middle">
<h4>變換后的一維數(shù)組</h4>
<p v-for="(item,index) in arr1" :key="index"> 時(shí)間:{{item.time}}- 年份:{{item.year}}- 原索引:{{item.indexId}}</p>
</div>
<div class="right">
<h4>變成三維數(shù)組</h4>
<div v-for="(item1,index1) in arr3" :key="index1"> ● 時(shí)間:{{item1.time}}
<div v-for="(item2,index2) in item1.children" :key="index2">
? 組別:{{item2.satGroupName}}-代號(hào)-{{item2.satName}}
<div v-for="(item3,index3) in item2.children" :key="index3">
★ {{ item3.inner}} - 時(shí)間:{{item3.time}}
</div>
</div>
</div>
</div>
</div>
</div>
</template>
<script>
export default {
data() {
return {
arr: [{
'time': '2023-12-07',
'satName': 'S10',
'satGroupName': 'G10',
'inner': '內(nèi)部1'
},
{
'time': '2023-12-07',
'satName': 'S10',
'satGroupName': 'G10',
'inner': '內(nèi)部2'
},
{
'time': '2023-12-07',
'satName': 'S11',
'satGroupName': 'G11',
'inner': '內(nèi)部3'
},
{
'time': '2023-12-08',
'satName': 'S10',
'satGroupName': 'G10',
'inner': '內(nèi)部4'
},
{
'time': '2023-12-08',
'satName': 'S11',
'satGroupName': 'G11',
'inner': '內(nèi)部5'
},
{
'time': '2023-12-09',
'satName': 'S12',
'satGroupName': 'G12',
'inner': '內(nèi)部6'
}
],
arr1: [],
arr3: [],
}
},
mounted() {},
methods: {
go() {
this.arr1= this.dajianshi_arr1to1(this.arr)
this.arr3 = this.dajianshi_arr1to3(this.arr1)
},
dajianshi_arr1to1(arr) {
let newArr = arr.map((item, index) => {
return {
...item,
indexId: index,
year:item.time.substr(0, 4),
}
})
return newArr;
},
dajianshi_arr1to3(arr) {
let keys = Object.keys(arr[0])
let level1 = 'time' //獲取一級(jí)屬性名稱(chēng)
let level2 = 'satName' //獲取二級(jí)屬性名稱(chēng)
let list = Array.from(new Set(
arr.map(item => {
return item[level1]
})))
let subList = []
list.forEach(res => {
arr.forEach(ele => {
if (ele[level1] === res) {
let nameArr = subList.map(item => item.time)
console.log(nameArr)
if (nameArr.indexOf(res) !== -1) {
let nameArr2 = subList[nameArr.indexOf(res)].children.map(item => item
.satName)
if (nameArr2.indexOf(ele[level2]) !== -1) {
subList[nameArr.indexOf(res)].children[nameArr2.indexOf(ele[level2])]
.children.push({
...ele
})
} else {
subList[nameArr.indexOf(res)].children.push({
satName: ele[level2],
satGroupName: ele.satGroupName,
children: [{
...ele
}]
})
}
} else {
subList.push({
time: res,
// label: res,
children: [{
satName: ele[level2],
satGroupName: ele.satGroupName,
children: [{
...ele
}]
}]
})
}
}
})
})
return subList
}
}
}
</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: blueviolet;
color: #fff;
}
.dajianshi {
width: 98%;
height: 480px;
margin: 5px auto 0;
}
.left {
width: 30%;
height: 100%;
float: left;
overflow-y: auto;
background: #fed;
}
.middle {
width: 35%;
height: 100%;
float: left;
overflow-y: auto;
background: #dcb;
}
.right {
width: 35%;
height: 100%;
float: left;
overflow-y: auto;
background: #edc;
text-align: left;
padding-left: 15px;
box-sizing: border-box;
}
</style>變更后的一維數(shù)組
[
{
“time”: “2023-12-07”,
“satName”: “S10”,
“satGroupName”: “G10”,
“inner”: “內(nèi)部1”,
“indexId”: 0,
“year”: “2023”
},
{
“time”: “2023-12-07”,
“satName”: “S10”,
“satGroupName”: “G10”,
“inner”: “內(nèi)部2”,
“indexId”: 1,
“year”: “2023”
},
{
“time”: “2023-12-07”,
“satName”: “S11”,
“satGroupName”: “G11”,
“inner”: “內(nèi)部3”,
“indexId”: 2,
“year”: “2023”
},
{
“time”: “2023-12-08”,
“satName”: “S10”,
“satGroupName”: “G10”,
“inner”: “內(nèi)部4”,
“indexId”: 3,
“year”: “2023”
},
{
“time”: “2023-12-08”,
“satName”: “S11”,
“satGroupName”: “G11”,
“inner”: “內(nèi)部5”,
“indexId”: 4,
“year”: “2023”
},
{
“time”: “2023-12-09”,
“satName”: “S12”,
“satGroupName”: “G12”,
“inner”: “內(nèi)部6”,
“indexId”: 5,
“year”: “2023”
}
]
變更后的三維數(shù)組
[
{
“time”: “2023-12-07”,
“children”: [
{
“satName”: “S10”,
“satGroupName”: “G10”,
“children”: [
{
“time”: “2023-12-07”,
“satName”: “S10”,
“satGroupName”: “G10”,
“inner”: “內(nèi)部1”,
“indexId”: 0,
“year”: “2023”
},
{
“time”: “2023-12-07”,
“satName”: “S10”,
“satGroupName”: “G10”,
“inner”: “內(nèi)部2”,
“indexId”: 1,
“year”: “2023”
}
]
},
{
“satName”: “S11”,
“satGroupName”: “G11”,
“children”: [
{
“time”: “2023-12-07”,
“satName”: “S11”,
“satGroupName”: “G11”,
“inner”: “內(nèi)部3”,
“indexId”: 2,
“year”: “2023”
}
]
}
]
},
{
“time”: “2023-12-08”,
“children”: [
{
“satName”: “S10”,
“satGroupName”: “G10”,
“children”: [
{
“time”: “2023-12-08”,
“satName”: “S10”,
“satGroupName”: “G10”,
“inner”: “內(nèi)部4”,
“indexId”: 3,
“year”: “2023”
}
]
},
{
“satName”: “S11”,
“satGroupName”: “G11”,
“children”: [
{
“time”: “2023-12-08”,
“satName”: “S11”,
“satGroupName”: “G11”,
“inner”: “內(nèi)部5”,
“indexId”: 4,
“year”: “2023”
}
]
}
]
},
{
“time”: “2023-12-09”,
“children”: [
{
“satName”: “S12”,
“satGroupName”: “G12”,
“children”: [
{
“time”: “2023-12-09”,
“satName”: “S12”,
“satGroupName”: “G12”,
“inner”: “內(nèi)部6”,
“indexId”: 5,
“year”: “2023”
}
]
}
]
}
]
到此這篇關(guān)于vue實(shí)現(xiàn)將一維數(shù)組變換為三維數(shù)組的文章就介紹到這了,更多相關(guān)vue一維數(shù)組變?yōu)槿S數(shù)組內(nèi)容請(qǐng)搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家!
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