<template>
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<view class="uni-table-scroll" :class="{ 'table--border': border, 'border-none': !noData }">
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<!-- #ifdef H5 -->
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<table class="uni-table" border="0" cellpadding="0" cellspacing="0" :class="{ 'table--stripe': stripe }" :style="{ 'min-width': minWidth + 'px' }">
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<slot></slot>
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<view v-if="noData" class="uni-table-loading">
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<view class="uni-table-text" :class="{ 'empty-border': border }">{{ emptyText }}</view>
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</view>
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<view v-if="loading" class="uni-table-mask" :class="{ 'empty-border': border }"><div class="uni-table--loader"></div></view>
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</table>
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<!-- #endif -->
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<!-- #ifndef H5 -->
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<view class="uni-table" :style="{ 'min-width': minWidth + 'px' }" :class="{ 'table--stripe': stripe }">
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<slot></slot>
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<view v-if="noData" class="uni-table-loading">
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<view class="uni-table-text" :class="{ 'empty-border': border }">{{ emptyText }}</view>
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</view>
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<view v-if="loading" class="uni-table-mask" :class="{ 'empty-border': border }"><div class="uni-table--loader"></div></view>
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</view>
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<!-- #endif -->
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</view>
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</template>
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<script>
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/**
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* Table 表格
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* @description 用于展示多条结构类似的数据
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* @tutorial https://ext.dcloud.net.cn/plugin?id=3270
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* @property {Boolean} border 是否带有纵向边框
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* @property {Boolean} stripe 是否显示斑马线
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* @property {Boolean} type 是否开启多选
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* @property {String} emptyText 空数据时显示的文本内容
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* @property {Boolean} loading 显示加载中
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* @event {Function} selection-change 开启多选时，当选择项发生变化时会触发该事件
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*/
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export default {
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name: 'uniTable',
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options: {
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virtualHost: true
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},
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emits:['selection-change'],
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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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return []
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}
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},
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// 是否有竖线
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border: {
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type: Boolean,
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default: false
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},
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// 是否显示斑马线
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stripe: {
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type: Boolean,
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default: false
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},
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// 多选
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type: {
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type: String,
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default: ''
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},
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// 没有更多数据
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emptyText: {
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type: String,
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default: '没有更多数据'
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},
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loading: {
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type: Boolean,
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default: false
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},
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rowKey: {
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type: String,
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default: ''
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}
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},
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data() {
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return {
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noData: true,
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minWidth: 0,
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multiTableHeads: []
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}
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},
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watch: {
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loading(val) {},
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data(newVal) {
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let theadChildren = this.theadChildren
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let rowspan = 1
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if (this.theadChildren) {
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rowspan = this.theadChildren.rowspan
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}
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// this.trChildren.length - rowspan
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this.noData = false
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// this.noData = newVal.length === 0
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}
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},
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created() {
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// 定义tr的实例数组
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this.trChildren = []
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this.thChildren = []
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this.theadChildren = null
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this.backData = []
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this.backIndexData = []
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},
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methods: {
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isNodata() {
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let theadChildren = this.theadChildren
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let rowspan = 1
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if (this.theadChildren) {
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rowspan = this.theadChildren.rowspan
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}
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this.noData = this.trChildren.length - rowspan <= 0
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},
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/**
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* 选中所有
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*/
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selectionAll() {
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let startIndex = 1
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let theadChildren = this.theadChildren
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if (!this.theadChildren) {
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theadChildren = this.trChildren[0]
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} else {
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startIndex = theadChildren.rowspan - 1
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}
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let isHaveData = this.data && this.data.length > 0
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theadChildren.checked = true
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theadChildren.indeterminate = false
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this.trChildren.forEach((item, index) => {
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if (!item.disabled) {
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item.checked = true
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if (isHaveData && item.keyValue) {
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const row = this.data.find(v => v[this.rowKey] === item.keyValue)
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if (!this.backData.find(v => v[this.rowKey] === row[this.rowKey])) {
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this.backData.push(row)
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}
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}
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if (index > (startIndex - 1) && this.backIndexData.indexOf(index - startIndex) === -1) {
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this.backIndexData.push(index - startIndex)
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}
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}
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})
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// this.backData = JSON.parse(JSON.stringify(this.data))
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this.$emit('selection-change', {
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detail: {
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value: this.backData,
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index: this.backIndexData
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}
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})
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},
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/**
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* 用于多选表格，切换某一行的选中状态，如果使用了第二个参数，则是设置这一行选中与否（selected 为 true 则选中）
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*/
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toggleRowSelection(row, selected) {
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// if (!this.theadChildren) return
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row = [].concat(row)
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this.trChildren.forEach((item, index) => {
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// if (item.keyValue) {
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const select = row.findIndex(v => {
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//
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if (typeof v === 'number') {
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return v === index - 1
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} else {
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return v[this.rowKey] === item.keyValue
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}
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})
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let ischeck = item.checked
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if (select !== -1) {
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if (typeof selected === 'boolean') {
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item.checked = selected
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} else {
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item.checked = !item.checked
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}
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if (ischeck !== item.checked) {
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this.check(item.rowData||item, item.checked, item.rowData?item.keyValue:null, true)
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}
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}
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// }
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})
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this.$emit('selection-change', {
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detail: {
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value: this.backData,
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index:this.backIndexData
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}
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})
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},
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/**
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* 用于多选表格，清空用户的选择
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*/
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clearSelection() {
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let theadChildren = this.theadChildren
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if (!this.theadChildren) {
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theadChildren = this.trChildren[0]
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}
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// if (!this.theadChildren) return
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theadChildren.checked = false
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theadChildren.indeterminate = false
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this.trChildren.forEach(item => {
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// if (item.keyValue) {
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item.checked = false
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// }
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})
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this.backData = []
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this.backIndexData = []
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this.$emit('selection-change', {
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detail: {
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value: [],
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index: []
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}
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})
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},
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/**
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* 用于多选表格，切换所有行的选中状态
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*/
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toggleAllSelection() {
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let list = []
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let startIndex = 1
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let theadChildren = this.theadChildren
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if (!this.theadChildren) {
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theadChildren = this.trChildren[0]
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} else {
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startIndex = theadChildren.rowspan - 1
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}
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this.trChildren.forEach((item, index) => {
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if (!item.disabled) {
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if (index > (startIndex - 1) ) {
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list.push(index-startIndex)
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}
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}
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})
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this.toggleRowSelection(list)
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},
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/**
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* 选中\取消选中
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* @param {Object} child
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* @param {Object} check
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* @param {Object} rowValue
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*/
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check(child, check, keyValue, emit) {
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let theadChildren = this.theadChildren
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if (!this.theadChildren) {
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theadChildren = this.trChildren[0]
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}
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let childDomIndex = this.trChildren.findIndex((item, index) => child === item)
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if(childDomIndex < 0){
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childDomIndex = this.data.findIndex(v=>v[this.rowKey] === keyValue) + 1
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}
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const dataLen = this.trChildren.filter(v => !v.disabled && v.keyValue).length
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if (childDomIndex === 0) {
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check ? this.selectionAll() : this.clearSelection()
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return
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}
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if (check) {
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if (keyValue) {
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this.backData.push(child)
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}
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this.backIndexData.push(childDomIndex - 1)
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} else {
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const index = this.backData.findIndex(v => v[this.rowKey] === keyValue)
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const idx = this.backIndexData.findIndex(item => item === childDomIndex - 1)
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if (keyValue) {
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this.backData.splice(index, 1)
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}
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this.backIndexData.splice(idx, 1)
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}
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const domCheckAll = this.trChildren.find((item, index) => index > 0 && !item.checked && !item.disabled)
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if (!domCheckAll) {
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theadChildren.indeterminate = false
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theadChildren.checked = true
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} else {
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theadChildren.indeterminate = true
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theadChildren.checked = false
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}
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if (this.backIndexData.length === 0) {
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theadChildren.indeterminate = false
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}
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if (!emit) {
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this.$emit('selection-change', {
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detail: {
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value: this.backData,
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index: this.backIndexData
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}
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})
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}
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}
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}
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}
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</script>
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<style lang="scss">
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$border-color: #ebeef5;
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.uni-table-scroll {
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width: 100%;
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/* #ifndef APP-NVUE */
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overflow-x: auto;
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/* #endif */
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}
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.uni-table {
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position: relative;
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width: 100%;
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border-radius: 5px;
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// box-shadow: 0px 0px 3px 1px rgba(0, 0, 0, 0.1);
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background-color: #fff;
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/* #ifndef APP-NVUE */
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box-sizing: border-box;
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display: table;
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overflow-x: auto;
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::v-deep .uni-table-tr:nth-child(n + 2) {
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&:hover {
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background-color: #f5f7fa;
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}
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}
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::v-deep .uni-table-thead {
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.uni-table-tr {
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// background-color: #f5f7fa;
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&:hover {
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background-color:#fafafa;
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}
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}
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}
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/* #endif */
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}
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.table--border {
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border: 1px $border-color solid;
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border-right: none;
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}
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.border-none {
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/* #ifndef APP-NVUE */
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border-bottom: none;
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/* #endif */
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}
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.table--stripe {
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/* #ifndef APP-NVUE */
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::v-deep .uni-table-tr:nth-child(2n + 3) {
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background-color: #fafafa;
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}
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/* #endif */
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}
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/* 表格加载、无数据样式 */
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.uni-table-loading {
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position: relative;
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/* #ifndef APP-NVUE */
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display: table-row;
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/* #endif */
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height: 50px;
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line-height: 50px;
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overflow: hidden;
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box-sizing: border-box;
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}
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.empty-border {
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border-right: 1px $border-color solid;
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}
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.uni-table-text {
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position: absolute;
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right: 0;
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left: 0;
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text-align: center;
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font-size: 14px;
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color: #999;
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}
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.uni-table-mask {
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position: absolute;
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top: 0;
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bottom: 0;
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left: 0;
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right: 0;
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background-color: rgba(255, 255, 255, 0.8);
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z-index: 99;
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/* #ifndef APP-NVUE */
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display: flex;
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margin: auto;
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transition: all 0.5s;
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/* #endif */
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justify-content: center;
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align-items: center;
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}
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.uni-table--loader {
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width: 30px;
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height: 30px;
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border: 2px solid #aaa;
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// border-bottom-color: transparent;
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border-radius: 50%;
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/* #ifndef APP-NVUE */
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animation: 2s uni-table--loader linear infinite;
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/* #endif */
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position: relative;
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}
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@keyframes uni-table--loader {
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0% {
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transform: rotate(360deg);
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}
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10% {
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border-left-color: transparent;
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}
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20% {
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border-bottom-color: transparent;
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}
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30% {
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border-right-color: transparent;
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}
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40% {
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border-top-color: transparent;
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}
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50% {
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transform: rotate(0deg);
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}
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60% {
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border-top-color: transparent;
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}
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70% {
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border-left-color: transparent;
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}
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80% {
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border-bottom-color: transparent;
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}
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90% {
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border-right-color: transparent;
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}
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100% {
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transform: rotate(-360deg);
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}
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}
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</style>
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