设置展开列位置:添加属性 :expandIconColumnIndex="number" number为索引
<a-table
v-if="state.refreshTable"
:columns="state.columns"
:data-source="state.tableDataList"
:scroll="{ x: '100%' }"
:pagination="false"
@change="onChange"
:row-key="(record) => record.id"
:loading="state.loading"
:expandable="{ defaultExpandAllRows: false, expandRowByClick: false }"
:defaultExpandAllRows="state.isExpandAll"
@resizeColumn="handleResizeColumn"
:expandIconColumnIndex="state.treeIconIndex"
>
<!-- 自定义展开折叠图标 -->
<template #expandIcon="props">
<span v-if="props.record.children && props.record.children.length > 0">
<div
v-if="props.expanded"
style="display: inline-block; margin-right: 10px"
@click="
(e) => {
props.onExpand(props.record, e)
}
"
>
<Icon icon="ep:caret-bottom" :size="12" />
</div>
<div
v-else
style="display: inline-block; margin-right: 10px"
@click="
(e) => {
props.onExpand(props.record, e)
}
"
>
<Icon icon="ep:caret-right" :size="12" />
</div>
</span>
<span v-else style="margin-right: 22px"></span>
</template>
</a-table>