<template>
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<div
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id="tree-container"
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class="clearfix"
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style="padding: 8px"
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>
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<b-input
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autocomplete="off"
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v-model="searchValue"
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placeholder="输入关键字"
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@change.native="handleSearch"
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class="mb10"
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/>
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<!-- style="background: rgb(243, 243, 243)" -->
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<div class="overflow-auto">
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<Tree
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:data="data"
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:props="option"
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:default-expand-all="isOpenAll"
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@node-click="handleNodeClick"
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highlight-current
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id="tree"
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ref="tree2"
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node-key="id"
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:filter-node-method="filterNode"
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class="float-left"
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style="width: 100%"
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/>
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</div>
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<div v-if="!data.length">暂无数据</div>
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</div>
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</template>
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<script>
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import { Tree } from 'element-ui'
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export default {
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data: () => ({
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searchValue: ''
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}),
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props: {
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data: {
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type: Array,
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default: () => [],
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required: true
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},
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option: {
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type: Object,
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default: () => ({
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children: 'child',
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label: 'name'
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})
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},
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isOpenAll: {
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default: true,
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type: Boolean
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}
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},
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methods: {
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handleNodeClick(node) {
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this.$emit('currentNode', node)
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},
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// * 设置选中状态
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setCurrentKey(id) {
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this.$nextTick(() => {
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this.$refs.tree2.setCurrentKey(id)
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})
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},
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// 清空选中状态
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removeCurrentNode() {
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this.$refs.tree2.setCurrentKey(null)
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},
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// * 过滤
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handleSearch() {
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this.$refs.tree2.filter(this.searchValue)
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},
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// * 过滤
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filterNode(value, data) {
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if (!value) return true
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return data.name.indexOf(value) !== -1
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},
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// * 获取被选中节点
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getCurrentNode() {
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return this.$refs.tree2.getCurrentNode()
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}
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},
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components: {
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Tree
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}
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}
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</script>
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<style lang="scss">
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#tree-container .el-tree {
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overflow: auto;
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}
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#tree-container .el-tree-node > .el-tree-node__children {
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overflow: visible;
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}
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.el-tree--highlight-current .el-tree-node.is-current > .el-tree-node__content {
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// background: rgb(38, 180, 255);
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// color: #fff;
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color: rgb(38, 180, 255);
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position: relative;
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border-radius: 5px;
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overflow: hidden;
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.el-tree-node__expand-icon {
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color: #fff;
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}
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}
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.el-tree-node__content:hover {
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border-radius: 5px;
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overflow: hidden;
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}
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/* .el-tree--highlight-current .el-tree-node.is-current > .el-tree-node__content:after{
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content:'';
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display: block;
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position: absolute;
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width: 100%;
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height: 100%;
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right: 100%;
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background: rgb(38, 180, 255);
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}
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.el-tree--highlight-current .el-tree-node.is-current > .el-tree-node__content .el-tree-node__label{
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position: relative;
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z-index: 9;
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} */
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</style>
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