实现方式:
<script>
//原始从服务器返回的数据
const temp = [
{
"id":7, "parent":0, "name":"test0"},
{
"id":8, "parent":0, "name":"test1"},
{
"id":9, "parent":0, "name":"test2"},
{
"id":68, "parent":0, "name":"test3"},
{
"id":349, "parent":
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