关于前端树形数据结构的处理 需要吧上面的数据处理成下面的数据
let arr = [
{id:'1',name:'一级',childrenList:[
{id:'2',name:'二级',childrenList:[
{id:'3',name:'三级',childrenList:[]},
]}
]},
{id:'1',name:'一级',childrenList:[
{id:'2',name:'二级',childrenList:[
{id:'4',name:'三级2-22',childrenList:[]},
]}
]},
{id:'1',name:'一级',childrenList:[
{id:'5',name:'二级-2',childrenList:[
{id:'6',name:'二级2-22',childrenList:[]},
]}
]},
{id:'1',name:'一级',childrenList:[
{id:'7',name:'二级-3',childrenList:[]}
]},
]
let arr1 = [
{
id:'1',
name:'一级',
childrenList:[
{
id:'2',name:'二级',childrenList:[
{
id:'3',name:'三级',childrenList:[]
},
{
id:'4',name:'三级2-22',childrenList:[]
}
]
},
{
id:'5',name:'二级-2',childrenList:[
{id:'6',name:'二级2-22',childrenList:[]},
]
},
{
id:'5',name:'二级-3',childrenList:[]
}
]
}
]