【element-ui】element-ui中,使用el-tabs嵌套el-table,初次加载tab页时table表头和表格数据错位

\#\#\# 问题描述
element-ui中,使用el-tabs嵌套el-table,每个tab页下放置引入的子组件。并有v-if控制它的显示。子组件中的el-table中设置了列的宽度。问题出在初次加载tab页时table表头和表格数据错位。点击其他tab页再切换回去的时候错位消失了。
下图是初次点击左侧菜单进来时的状态image
点击其他tab页比如已审批以后,再切回原来的第一个tab后
image

\#\#\# 相关代码
父组件中

<el-tabs v-model="activeName" :before-leave="beforeLeave" @tab-click="handleClick">

<el-tab-pane v-if="isZhiDuiManage" label="我发起的" name="1">

<process-index ref="zhiDuiFillIn" :content-type="1" />

</el-tab-pane>

<el-tab-pane v-if="isApprover || isHighManager" label="待审批" name="2">

<process-index ref="waitApprover" :content-type="2" />

</el-tab-pane>

<el-tab-pane v-if="isApprover || isHighManager" label="已审批" name="3">

<process-index ref="alreadyApprover" :content-type="3" />

</el-tab-pane>

<el-tab-pane v-if="isHighManager" label="机关填报" name="4">

<other-grid ref="builtInGrid" :content-type="4" />

</el-tab-pane>

<el-tab-pane v-if="isHighManager" label="明细汇总" name="5">

<other-grid ref="sumGrid" :content-type="5" />

</el-tab-pane>

<el-tab-pane v-if="isHighManager" :label="isZongDui?'总队明细':'部局明细'" name="6">

<process-index ref="highGrid" :content-type="6" />

</el-tab-pane>

</el-tabs>

<script>

mounted() {

this.getTableData(this.activeName)

},

activated() {

if (this.refreshTable) {

this.getTableData(this.activeName)

this.$store.dispatch('setRefreshTable', '')

},

methods: {

getTableData(activeName) {

switch (activeName) {

case '1':this.$refs.zhiDuiFillIn.getTableData()

break

case '2':this.$refs.waitApprover.getTableData()

break

case '3':this.$refs.alreadyApprover.getTableData()

break

case '4':this.$refs.builtInGrid.getTableData()

break

case '5':this.$refs.sumGrid.getTableData()

break

case '6':this.$refs.highGrid.getTableData()

break

子组件processindex中

<el-table v-loading="loading" :data="tableData" highlight-current-row border fit>

<el-table-column prop="searchTitle" label="标题" align="left" width="300"/>

<el-table-column prop="createTime" label="创建时间" align="left"/>

<el-table-column prop="createPerson" label="创建人" align="left"/>

<el-table-column prop="currentStatus" label="当前状态" align="left"/>

<el-table-column prop="currentNode" label="当前节点" align="left"/>

<el-table-column label="操作" align="left">

</el-table-column>

</el-table>

methods: {

getTableData() {

this.loading = true

const param = { pageSize: this.pageSize, pageNum: this.pageNum }

Object.assign(param, this.$refs.SearchTool.queryCondition)

switch (this.contentType) {

case 1:param.operationType = 1

break

case 2:param.operationType = 2

break

case 3:param.operationType = 3

break

case 6:param.operationType = 1

}

this.getProcessDatas(param)

},

getProcessDatas(param) {

getASDetailProcess(param).then(res => {

if (res.success) {

this.total = res.data.total

this.tableData = res.data.list

}

this.loading = false

}).catch(() => {

this.loading = false

})

},

回答:

我是监听数据获取之后,手动调用一下这个方法,手动触发表格视图更新

this.$refs.tableRef.doLayout();

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