eltree点击父级或者父级的checkbox,展开所有子集

:data="authData"
show-checkbox
:check-strictly="true"
:check-on-click-node="true"
node-key="_id"
ref="yourTreeId"
@check-change="getCheckedKeys"
highlight-current

:props="defaultProps"
:filter-node-method="filterAuthData"
@check="handleCheck"
>

methods: {
//点击父级展开所有子菜单
handleCheck(data){
let expandedData = this.$refs.yourTreeId.store.nodesMap;
expandedData[data._id].expanded = true;
if(data?.children?.length){ //有多少层子集，循环多少次
data?.children?.map(obj=>{
expandedData[obj._id].expanded = true;
if(obj?.children?.length){
obj.children.map(obj2=>{
expandedData[obj2._id].expanded = true;
})
}
})
}
},
}