el-table 子级选中父级勾选 子级无一选中父级取消勾选
// 选中子级父级也选中
if(row.parentId!=0){
let parent = this.archiveTypeList.find((x=>x.id===row.parentId));
this.$refs.multipleTable.toggleRowSelection(parent,true);
let childrenLen=0;
parent.children.forEach((i)=>{
let selected = selection.length && selection.indexOf(i) !== -1
if(selected === true){
//当前行被选中
childrenLen++
}
})
// 子级所有取消选中 父级也取消选中
if(childrenLen==0){
this.$refs.multipleTable.toggleRowSelection(parent,false);
}
}