代码优化
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src/components/Github/index.vue
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src/components/Github/index.vue
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<template>
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<a href="https://github.com/elunez/eladmin" target="_blank">
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<svg id="icon-github" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="icon svg" viewBox="0 0 1025 1024" width="100%" height="100%"><path d="M512.032 831.904c-19.168 0-38.304-9.92-58.144-29.76-7.808-7.808-7.808-20.48 0-28.288s20.48-7.808 28.288 0c12.192 12.224 21.984 18.144 29.856 18.144s17.664-5.92 29.856-18.144c7.808-7.808 20.48-7.808 28.288 0s7.808 20.48 0 28.288c-19.84 19.84-38.976 29.76-58.144 29.76zM0.032 525.504c0 49.888 4.256 95.136 12.8 135.68s20.544 75.744 36 105.536c15.456 29.792 35.008 55.904 58.656 78.336s49.344 40.928 77.056 55.456c27.744 14.528 59.456 26.304 95.2 35.264s72.096 15.264 109.056 18.848 77.696 5.376 122.144 5.376c44.448 0 85.248-1.792 122.4-5.376s73.6-9.856 109.344-18.848c35.744-8.96 67.552-20.736 95.456-35.264s53.792-33.024 77.6-55.456c23.808-22.432 43.456-48.544 58.944-78.336s27.552-64.96 36.256-105.536c8.704-40.576 13.056-85.792 13.056-135.68 0-89.376-27.744-166.368-83.2-230.976 3.2-8.608 5.952-18.496 8.256-29.6s4.544-26.816 6.656-47.104c2.144-20.288 1.344-43.712-2.4-70.272s-10.752-53.664-21.056-81.312l-8-1.632c-5.344-1.088-14.048-0.704-26.144 1.088s-26.208 5.024-42.4 9.696c-16.192 4.672-37.056 13.92-62.656 27.744s-52.608 31.328-81.056 52.512c-48.352-14.72-115.008-30.112-200-30.112s-151.808 15.392-200.544 30.112c-28.448-21.184-55.552-38.592-81.344-52.224s-46.4-22.976-61.856-28c-15.456-5.024-29.792-8.256-42.944-9.696s-21.6-1.888-25.344-1.344c-3.744 0.544-6.496 1.152-8.256 1.888-10.304 27.648-17.408 54.752-21.344 81.312s-4.8 49.888-2.656 69.984c2.144 20.096 4.448 35.904 6.944 47.392s5.344 21.344 8.544 29.6c-55.456 64.256-83.2 141.248-83.2 230.976zM136.576 639.392c0-58.016 21.344-110.624 64-157.856 12.8-14.4 27.648-25.312 44.544-32.704s36.096-11.616 57.6-12.608 42.048-0.8 61.6 0.608c19.552 1.408 43.744 3.296 72.544 5.696s53.696 3.616 74.656 3.616c20.96 0 45.856-1.184 74.656-3.616s52.992-4.288 72.544-5.696c19.552-1.408 40.096-1.6 61.6-0.608s40.8 5.216 57.856 12.608c17.056 7.392 32 18.304 44.8 32.704 42.656 47.232 64 99.84 64 157.856 0 34.016-3.552 64.32-10.656 90.944s-16.096 48.928-26.944 66.912c-10.848 18.016-26.048 33.216-45.6 45.632s-38.496 22.016-56.8 28.8c-18.304 6.784-41.952 12.096-70.944 15.904s-54.944 6.112-77.856 6.912c-22.944 0.8-51.808 1.216-86.656 1.216s-63.648-0.416-86.4-1.216c-22.752-0.8-48.608-3.104-77.6-6.912s-52.608-9.12-70.944-15.904c-18.304-6.816-37.248-16.416-56.8-28.8s-34.752-27.616-45.6-45.632c-10.848-18.016-19.84-40.32-26.944-66.912s-10.656-56.928-10.656-90.944zM256.032 608c0-53.024 28.64-96 64-96s64 42.976 64 96c0 53.024-28.64 96-64 96s-64-42.976-64-96zM640.032 608c0-53.024 28.64-96 64-96s64 42.976 64 96c0 53.024-28.64 96-64 96s-64-42.976-64-96z" p-id="1450"/></svg>
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</a>
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</template>
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<script>
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export default {
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name: 'Github'
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}
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</script>
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<style scoped>
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.svg {
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display: inline-block;
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cursor: pointer;
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fill: #5a5e66;;
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width: 20px;
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height: 20px;
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vertical-align: 10px;
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}
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</style>
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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, expandAll, parent = null, level = null) {
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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', expandAll)
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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, expandAll, 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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<template>
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<el-table :data="formatData" :row-style="showRow" v-bind="$attrs">
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<el-table-column v-if="columns.length===0" width="150">
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<template slot-scope="scope">
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<span v-for="space in scope.row._level" :key="space" class="ms-tree-space"/>
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<span v-if="iconShow(0,scope.row)" class="tree-ctrl" @click="toggleExpanded(scope.$index)">
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<i v-if="!scope.row._expanded" class="el-icon-plus"/>
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<i v-else class="el-icon-minus"/>
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</span>
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{{ scope.$index }}
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</template>
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</el-table-column>
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<el-table-column v-for="(column, index) in columns" v-else :key="column.value" :label="column.text" :width="column.width">
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<template slot-scope="scope">
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<!-- Todo -->
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<!-- eslint-disable-next-line vue/no-confusing-v-for-v-if -->
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<span v-for="space in scope.row._level" v-if="index === 0" :key="space" class="ms-tree-space"/>
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<span v-if="iconShow(index,scope.row)" class="tree-ctrl" @click="toggleExpanded(scope.$index)">
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<i v-if="!scope.row._expanded" class="el-icon-plus"/>
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<i v-else class="el-icon-minus"/>
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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/>
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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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/* eslint-disable */
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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.expandAll], 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 ? 'animation:treeTableShow 1s;-webkit-animation:treeTableShow 1s;' : '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 rel="stylesheet/css">
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@keyframes treeTableShow {
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from {opacity: 0;}
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to {opacity: 1;}
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}
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@-webkit-keyframes treeTableShow {
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from {opacity: 0;}
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to {opacity: 1;}
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}
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</style>
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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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@@ -1,89 +0,0 @@
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## 写在前面
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此组件仅提供一个创建TreeTable的解决思路
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## prop说明
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#### *data*
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**必填**
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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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{
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key1: value1
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}]
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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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{
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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: 显示在表头的文字
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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(可选)
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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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如果你有几个字段是需要自定义的，几个不需要，那么可以将不需要自定义的字段放入columns，将需要自定义的内容放入到slot中，详情见后文
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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](./eval.js)
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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[*eval.js*](https://github.com/PanJiaChen/vue-element-admin/blob/master/src/components/TreeTable/eval.js)或[*customEval.js*](https://github.com/PanJiaChen/vue-element-admin/blob/master/src/views/table/treeTable/customEval.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，第二个参数为， this.expandAll,你不需要在evalArgs填写。一定记住，这两个参数是强制性的，并且位置不可颠倒** *this.data为需要解析的数据，this.expandAll为是否默认展开*
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如你的解析函数需要的参数为`(this.data, this.expandAll,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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如果你的解析函数参数只有`(this.data, this.expandAll)`,那么就可以不用填写evalArgs了
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具体可参考[*customEval.js*](https://github.com/PanJiaChen/vue-element-admin/blob/master/src/views/table/treeTable/customEval.js)的函数参数和[customTreeTable](https://github.com/PanJiaChen/vue-element-admin/blob/master/src/views/table/treeTable/customTreeTable.vue)的`evalArgs`属性值
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## slot
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这是一个自定义列的插槽。
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默认情况下，treeTable只有一行行展示数据的功能。但是一般情况下，我们会要给行加上一个操作按钮或者根据当行数据展示不同的样式，这时我们就需要自定义列了。请参考[customTreeTable](https://github.com/PanJiaChen/vue-element-admin/blob/master/src/views/table/treeTable/customTreeTable.vue)，[实例效果](https://panjiachen.github.io/vue-element-admin/#/table/tree-table)
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`slot`和`columns属性`可同时存在,columns里面的数据列会在slot自定义列的左边展示
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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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