<div v-if="scope.row.isExpend == 'father'">
<el-button size="small" @click="handleConnectionSearch(scope.row)"> {{scope.row.expanded?'收起':'展开'}}
</el-button>
</div>
handleConnectionSearch(row) {
row.expanded = !row.expanded;
this.$refs.topicTable.toggleRowExpansion(row, row.expanded) // 点击button展开
},
