数据内容
let industry_list = [
{
"parent_ind":"女装",
"name":"连衣裙"
},
{
"name":"女装"
},
{
"parent_ind":"女装",
"name":"半身裙"
},
{
"parent_ind":"女装",
"name":"A字裙"
},
{
"name":"数码"
},
{
"parent_ind":"数码",
"name":"电脑配件"
},
{
"parent_ind":"电脑配件",
"name":"内存"
},
]
function transformTree (list) {
const tree = []
for (let i = 0, len = list.length; i < len; i++) {
if (!list[i].parent_ind) {
const item = queryChildren(list[i], list)
tree.push(item)
}
}
return tree
}
function queryChildren (parent, list) {
const children = []
for (let i = 0, len = list.length; i < len; i++) {
if (list[i].parent_ind === parent.name) {
const item = queryChildren(list[i], list)
children.push(item)
}
}
if (children.length) {
parent.children = children
}
return parent
}
let arr = transformTree(industry_list)
console.log(arr)
打印结果：
QQ图片20200513111604.png
