* 1.增加treeTable 2.增加两个treeTable的demo * 1.增加treeTable的使用功能说明 * 优化代码，去除console * 修复bug * 修复marLTemp变量未清空的bug * 修复marLTemp变量未清空的bug * 修复marLTemp变量未清空的bug * 修改customTree，使其展示无columns时的功能
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Zenon
花裤衩
29
src/components/TreeTable/eval.js
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29
src/components/TreeTable/eval.js
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/**
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* @Author: jianglei
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* @Date: 2017-10-12 12:06:49
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*/
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'use strict'
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import Vue from 'vue'
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export default function treeToArray(data, expandedAll, parent, level) {
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let tmp = []
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Array.from(data).forEach(function(record) {
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if (record._expanded === undefined) {
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Vue.set(record, '_expanded', expandedAll)
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}
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let _level = 1
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if (level !== undefined && level !== null) {
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_level = level + 1
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}
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Vue.set(record, '_level', _level)
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// 如果有父元素
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if (parent) {
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Vue.set(record, 'parent', parent)
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}
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tmp.push(record)
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if (record.children && record.children.length > 0) {
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const children = treeToArray(record.children, expandedAll, record, _level)
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tmp = tmp.concat(children)
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}
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})
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return tmp
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}
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120
src/components/TreeTable/index.vue
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120
src/components/TreeTable/index.vue
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<template>
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<el-table :data="formatData" :row-style="showRow">
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<el-table-column v-if="columns.length===0" width="150">
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<template slot-scope="scope">
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<span v-for="space in scope.row._level"
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class="ms-tree-space"></span>
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<span class="tree-ctrl" v-if="iconShow(0,scope.row)"
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@click="toggleExpanded(scope.$index)">
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<i v-if="!scope.row._expanded" class="el-icon-plus"></i>
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<i v-else class="el-icon-minus"></i>
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</span>
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{{scope.$index}}
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</template>
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</el-table-column>
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<el-table-column v-else v-for="(column, index) in columns" :key="column.value"
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:label="column.text" :width="column.width">
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<template slot-scope="scope">
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<span v-if="index === 0" v-for="space in scope.row._level"
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class="ms-tree-space"></span>
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<span class="tree-ctrl" v-if="iconShow(index,scope.row)"
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@click="toggleExpanded(scope.$index)">
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<i v-if="!scope.row._expanded" class="el-icon-plus"></i>
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<i v-else class="el-icon-minus"></i>
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</span>
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{{scope.row[column.value]}}
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</template>
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</el-table-column>
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<slot></slot>
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</el-table>
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</template>
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<script>
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/**
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Auth: Lei.j1ang
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Created: 2018/1/19-13:59
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*/
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import treeToArray from './eval'
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export default {
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name: 'treeTable',
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props: {
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a: 1,
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data: {
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type: [Array, Object],
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required: true
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},
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columns: {
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type: Array,
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default: () => []
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},
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evalFunc: Function,
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evalArgs: Array,
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expandAll: {
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type: Boolean,
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default: false
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}
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},
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computed: {
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// 格式化数据源
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formatData: function() {
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let tmp
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if (!Array.isArray(this.data)) {
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tmp = [this.data]
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} else {
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tmp = this.data
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}
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const func = this.evalFunc || treeToArray
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const args = this.evalArgs ? Array.concat([tmp], this.evalArgs) : [tmp, this.expandAll]
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return func.apply(null, args)
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}
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},
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methods: {
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showRow: function(row) {
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const show = (row.row.parent ? (row.row.parent._expanded && row.row.parent._show) : true)
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row.row._show = show
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return show ? '' : 'display:none;'
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},
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// 切换下级是否展开
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toggleExpanded: function(trIndex) {
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const record = this.formatData[trIndex]
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record._expanded = !record._expanded
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},
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// 图标显示
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iconShow(index, record) {
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return (index === 0 && record.children && record.children.length > 0)
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}
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}
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}
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</script>
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<style lang="scss" rel="stylesheet/scss" scoped>
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$color-blue: #2196F3;
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$space-width: 18px;
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.ms-tree-space {
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position: relative;
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top: 1px;
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display: inline-block;
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font-style: normal;
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font-weight: 400;
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line-height: 1;
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width: $space-width;
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height: 14px;
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&::before {
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content: ""
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}
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}
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.processContainer{
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width: 100%;
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height: 100%;
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}
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table td {
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line-height: 26px;
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}
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.tree-ctrl{
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position: relative;
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cursor: pointer;
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color: $color-blue;
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margin-left: -$space-width;
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}
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</style>
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73
src/components/TreeTable/readme.md
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73
src/components/TreeTable/readme.md
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## 写在前面
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此组件仅提供一个创建TreeTable的解决方案
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##prop说明
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###data
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必输
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原始数据,要求是一个数组或者对象
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```javascript
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[{
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key1:value1,
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key2:value2,
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children:[{
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key1:value1
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},{
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key1:value1
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}]
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},{
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key1:value1
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}]
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```
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或者
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```javascript
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{
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key1:value1,
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key2:value2,
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children:[{
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key1:value1
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},{
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key1:value1
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}]
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}
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```
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###columns
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列属性,要求是一个数组
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1. text: 显示在表头
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2. value: 对应data的key，treeTable将显示相应的value
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3. width: 每列的宽度，为一个数字
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如果你想要每个字段都有自定义的样式或者嵌套其他组件，columns可不提供，直接像在el-table一样写即可，如果没有自定义内容，提供columns将更加的便捷方便
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```javascript
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[{
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value:string,
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text:string,
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width:number
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},{
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value:string,
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text:string,
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width:number
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}]
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```
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### expandAll
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是否默认全部展开，boolean值，默认为false
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### evalFunc
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解析函数，function，非必须
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如果不提供，将使用默认的evalFunc
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如果提供了evalFunc,那么会用提供的evalFunc去解析data，并返回treeTable渲染所需要的值。如何编写一个evalFunc，请参考此目录下的*eval.js*
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### evalArgs
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解析函数的参数，是一个数组
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**请注意，自定义的解析函数参数第一个为this.data，你不需要在evalArgs填写。**
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如你的解析函数需要的参数为`(this.data,1,2,3,4)`，那么你只需要将`[1,2,3,4]`赋值给`evalArgs`就可以了
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## slot
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请参考`customTreeTable`
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## 其他
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如果有其他的需求，请参考[el-table](http://element-cn.eleme.io/#/en-US/component/table)的api自行修改index.vue
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