js数据刷选分类

//模拟数据
let data = [{"name": "干货","nodeLevel": 1,"nodeId": "100000000","parentNodeId": "1","status": 10,"id": "2","createTime": null},{"name": "水果","nodeLevel": 1,"nodeId": "200000000","parentNodeId": "1","status": 10,"id": "3","createTime": null},{"name": "蔬菜","nodeLevel": 1,"nodeId": "300000000","parentNodeId": "1","status": 10,"id": "4","createTime": "2022-06-06 12:12:42"},{"name": "菜叶","nodeLevel": 2,"nodeId": "301000000","parentNodeId": "300000000","status": 10,"id": "5","createTime": null},{"name": "水菜叶","nodeLevel": 3,"nodeId": "301020000","parentNodeId": "301000000","status": 10,"id": "6","createTime": null},{"name": "木薯叶","nodeLevel": 3,"nodeId": "301030000","parentNodeId": "301000000","status": 10,"id": "7","createTime": null},{"name": "浆果","nodeLevel": 2,"nodeId": "201000000","parentNodeId": "200000000","status": 10,"id": "8","createTime": null},{"name": "瓜果","nodeLevel": 3,"nodeId": "201010000","parentNodeId": "201000000","status": 10,"id": "9","createTime": null},{"name": "淡水菜叶","nodeLevel": 4,"nodeId": "301020100","parentNodeId": "301020000","status": 10,"id": "10","createTime": null},{"name": "海水菜叶","nodeLevel": 4,"nodeId": "301020200","parentNodeId": "301020000","status": 10,"id": "11","createTime": null}]

/*** name	分类名称* nodeId	等级id 最顶级 0* nodeLevel	等级 最多5级* parentNodeId	子节点id（后端返回的数据，这个应该是子节点）* 父节点的nodeId 和子节点的parentNodeId 匹配的话，那么这个parentNodeId就是nodeId下面的子节点。* */
function navSelect(){let dataList = data;let dataKey = [1, 2, 3, 4, 5];//一共5级let parentLevel = [];dataKey.map((val) => {parentLevel.push(dataList.filter((value) => {return value.nodeLevel == val}))})for(let i = parentLevel.length - 1; i >= 0; i--){if(parentLevel[i].length > 0  && parentLevel[i-1]){for(let j = 0;j < parentLevel[i-1].length; j++){let newArr = []for(let k = 0;k < parentLevel[i].length; k++){if(parentLevel[i-1][j].nodeId === parentLevel[i][k].parentNodeId){newArr.push(parentLevel[i][k])}}parentLevel[i-1][j].cli = newArr}}}console.log(parentLevel[0])}