vue数据转树状结构进阶（两级父节点）

需求：不仅按照项目还要按照教师名称

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// 深拷贝
function deepClone(data) {let dataType = getDataType(data);let container;if (dataType === 'Object') {container = {};}if (dataType === 'Array') {container = [];}for (const key in data) {let type = getDataType(data[key]);if (key === 'Array' || type === 'Object') {container[key] = deepClone(data[key]);} else {container[key] = data[key];}}return container;
}
// 判断数据类型
function getDataType(data) {return Object.prototype.toString.call(data).slice(8, -1);
}
function addProAndTeach(data){// 添加一级父节点(project)var afterDeptList = []; // 找项目名var afterTeaData = []; // 将父节点添加进去for (let item of data) {if (!afterDeptList.includes(item.planId)) { // 如果这个项目id没有出现过，就把项目id第一个放进去afterDeptList.push(item.planId);let projName = item.projName + '(' + item.trainId + ')';// 添加一个该项目第一次出现的父节点afterTeaData.push({ uuid: item.planId, pid: '0', projName: projName, trainId: item.trainId, isParent: '1' });item.pid = item.planId;} else {item.pid = item.planId; //父节点出现了，给子节点添加一个索引}}data = [...afterTeaData, ...data];// 添加二级父节点(teacher)let result = [],teacherList = [];for (let item of data) {if (item.pid != '0') { // 如果pid不是0 那么说明有父节点let teacherId = item.teacherId;let planId = item.planId;let pid = planId + teacherId; // 项目名+teacher名if (teacherList.includes(pid)) {item.project = '';item.pid = planId + teacherId;item.projName = item.courseName;result.push(item);} else {teacherList.push(pid);result.push({ uuid: pid, pid: item.planId, projName: item.teacherName, isParent: '1' });//构造日期下的第一个节点let temp = deepClone(item);temp.pid = pid;temp.projName = temp.courseName;result.push(temp);}} else {result.push(item);}}return result
}let y = addProAndTeach(dataX)//自定义id,pid 转为树结构
function getDeptTreeCustom(data, pid, idField, pidField) {if (typeof idField == 'undefined') {idField = 'id';}if (typeof pidField == 'undefined') {pidField == 'pid';}const result = [];let temp;for (let i = 0; i < data.length; i++) {if (data[i][pidField] === pid) { // 如果元素的pid==0temp = getDeptTreeCustom(data, data[i][idField], idField, pidField);if (temp.length > 0) {data[i].children = temp;}result.push(data[i]);}}return result;
}
let all = getDeptTreeCustom(y,'0', 'uuid', 'pid')
console.log(all)