mirror of
https://gitee.com/element-plus/element-plus.git
synced 2024-12-14 09:20:51 +08:00
93 lines
1.9 KiB
Vue
93 lines
1.9 KiB
Vue
<template>
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<el-tree
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ref="tree"
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:data="data"
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show-checkbox
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default-expand-all
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node-key="id"
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highlight-current
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:props="defaultProps"
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check-on-click-node
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/>
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<div class="buttons">
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<el-button @click="getCheckedNodes">通过 node 获取</el-button>
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<el-button @click="getCheckedKeys">通过 key 获取</el-button>
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<el-button @click="setCheckedNodes">通过 node 设置</el-button>
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<el-button @click="setCheckedKeys">通过 key 设置</el-button>
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<el-button @click="resetChecked">清空</el-button>
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</div>
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</template>
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<script>
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export default {
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data() {
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return {
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data: [{
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id: 1,
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label: '一级 1',
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children: [{
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id: 4,
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label: '二级 1-1',
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children: [{
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id: 9,
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label: '三级 1-1-1',
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}, {
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id: 10,
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label: '三级 1-1-2',
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}],
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}],
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}, {
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id: 2,
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label: '一级 2',
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children: [{
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id: 5,
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label: '二级 2-1',
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}, {
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id: 6,
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label: '二级 2-2',
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}],
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}, {
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id: 3,
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label: '一级 3',
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children: [{
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id: 7,
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label: '二级 3-1',
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}, {
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id: 8,
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label: '二级 3-2',
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}],
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}],
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defaultProps: {
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children: 'children',
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label: 'label',
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},
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}
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},
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methods: {
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getCheckedNodes() {
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console.log(this.$refs.tree.getCheckedNodes())
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},
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getCheckedKeys() {
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console.log(this.$refs.tree.getCheckedKeys())
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},
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setCheckedNodes() {
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this.$refs.tree.setCheckedNodes([{
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id: 5,
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label: '二级 2-1',
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}, {
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id: 9,
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label: '三级 1-1-1',
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}])
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},
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setCheckedKeys() {
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this.$refs.tree.setCheckedKeys([3])
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},
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resetChecked() {
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this.$refs.tree.setCheckedKeys([])
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},
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},
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}
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</script>
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