vue实现树形tree展示组件封装
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效果
代码
TreeItem.vue
<template>
<div class="tree-item">
<div @click="handleToggle" class="tree-title">
<i v-if="hasChild" :class="open?'el-icon-remove-outline':'el-icon-circle-plus-outline'"></i>
<h4> list.label </h4>
</div>
<div v-show='open' class="child-content">
<tree-item
v-for="(item, index) in list.children"
:list="item"
:key="index"
></tree-item>
</div>
</div>
</template>
<script>
export default
name: "TreeItem",
props:
list:
type: [Object, Array],
required: true
,
data()
return
open: false
;
,
computed:
hasChild()
return this.list.children && this.list.children.length;
,
methods:
handleToggle()
if (this.hasChild)
this.open = !this.open;
;
</script>
<style lang='less' scoped>
.tree-item
font-size: 20px;
cursor: pointer;
.tree-title
display: flex;
justify-content: flex-start;
align-items: center;
.child-content
margin-left: 50px;
</style>
Tree.vue
<template>
<div class="tree-wrap">
<div v-for="(item, index) in dataSource" :key="index">
<tree-item :list="item"></tree-item>
</div>
</div>
</template>
<script>
import TreeItem from "./TreeItem";
export default
name: 'tree',
props:
dataSource:
type: [Object, Array],
required: true
,
components:
TreeItem
;
</script>
<style scoped>
.tree-wrap
width: 100%;
/* padding: 0 50px; */
</style>
your component.vue
<template>
<div class="tree-w">
<x-tree :data-source="myData"></x-tree>
</div>
</template>
<script>
import xTree from './Tree.vue'
export default
name: 'trees',
components:
xTree
,
data()
return
myData: [
label: '一级 1',
children: [
label: '二级 1-1',
children: [
label: '三级 1-1-1'
]
]
,
label: '一级 2',
children: [
label: '二级 2-1',
children: [
label: '三级 2-1-1'
]
,
label: '二级 2-2',
children: [
label: '三级 2-2-1'
]
]
,
label: '一级 3',
children: [
label: '二级 3-1',
children: [
label: '三级 3-1-1'
]
,
label: '二级 3-2',
children: [
label: '三级 3-2-1'
]
]
],
</script>
<style>
.tree-w
padding: 50px;
padding-left: 200px;
</style>
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