获取树形三级菜单知识点数据

数据[ { "id": 1, "knowledge": "树", "parentId": 0, "createTime": "2020-11-18 13:06:51", "updateTime": "2020-11-18 13:07:06", "children": [ { "id": 2, "knowledge": "树的访问", "parentId": 1, "createTime": "2020-11-18 13:07:17", "updateTime": "2020-11-18 14:34:58", "children": [ { "id": 3, "knowledge": "层次遍历", "parentId": 2, "createTime": "2020-11-18 13:07:33", "updateTime": "2020-11-18 13:07:38" }, { "id": 4, "knowledge": "中序遍历", "parentId": 2, "createTime": "2020-11-18 14:34:50", "updateTime": "2020-11-18 14:35:07" } ] } ] }, { "id": 5, "knowledge": "链表", "parentId": 0, "createTime": "2020-11-18 14:35:41", "updateTime": "2020-11-18 14:35:41", "children": [ { "id": 6, "knowledge": "数组链表", "parentId": 5, "createTime": "2020-11-18 14:36:41", "updateTime": "2020-11-18 14:37:17" }, { "id": 7, "knowledge": "指针链表", "parentId": 5, "createTime": "2020-11-18 14:37:08", "updateTime": "2020-11-18 14:37:03" } ] } ],

获取树形三级菜单知识点数据

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