编辑代码

var rawData = [
        {
            "id": "1927544033741557762",
            "identificationCode": "llx-dp",
            "inventoryQuantity": "2",
            "compId": "1925485944230080514",
            "compTypeId": 3,
            "compTypeName": "刀片",
            "compTypeFlag": 3,
            "compSpecificationsId": "1925442548148973570",
            "compSpecifications": "DP25052201",
            "compSpecificationsName": "DP25052201",
            "identificationMethod": 2,
            "remark": null,
            "type": 1,
            "supplierId": "1924350214015516673",
            "supplierName": "山西刀具",
            "stockInQuantity": "1",
            "orderId": "1927544064158650369"
        },
        {
            "id": "1927555896881704962",
            "identificationCode": "TB2505280333",
            "inventoryQuantity": "1",
            "compId": "1927555395859509249",
            "compTypeId": 3,
            "compTypeName": "刀片",
            "compTypeFlag": 3,
            "compSpecificationsId": "1925442548148973570",
            "compSpecifications": "DP25052201",
            "compSpecificationsName": "DP25052201",
            "identificationMethod": 2,
            "remark": null,
            "type": 1,
            "supplierId": "1924349836968558594",
            "supplierName": "恒丰五金",
            "stockInQuantity": "0",
            "orderId": "1927555973289340929"
        },
        {
            "id": "1927555896881704963",
            "identificationCode": "TB2505280334",
            "inventoryQuantity": "1",
            "compId": "1927555395876286466",
            "compTypeId": 3,
            "compTypeName": "刀片",
            "compTypeFlag": 3,
            "compSpecificationsId": "1925442548148973570",
            "compSpecifications": "DP25052201",
            "compSpecificationsName": "DP25052201",
            "identificationMethod": 2,
            "remark": null,
            "type": 1,
            "supplierId": "1924350156499025921",
            "supplierName": "大连金星",
            "stockInQuantity": "0",
            "orderId": "1927555995313631234"
        },
        {
            "id": "1928321045812948993",
            "identificationCode": "DT100411new",
            "inventoryQuantity": "1",
            "compId": "1927691938603413506",
            "compTypeId": 4,
            "compTypeName": "刀头",
            "compTypeFlag": 4,
            "compSpecificationsId": "1924344981147234306",
            "compSpecifications": "3/8\"",
            "compSpecificationsName": "切削刀头",
            "identificationMethod": 2,
            "remark": null,
            "type": 1,
            "supplierId": "1924999855765712898",
            "supplierName": "测试",
            "stockInQuantity": "0",
            "orderId": "1928321098346606594"
        },
        {
            "id": "1928321045804560386",
            "identificationCode": "HSK63A001",
            "inventoryQuantity": "1",
            "compId": "1924350556568518658",
            "compTypeId": 2,
            "compTypeName": "刀柄",
            "compTypeFlag": 2,
            "compSpecificationsId": "1924344837609762817",
            "compSpecifications": "HSK63A",
            "compSpecificationsName": "HSK刀柄",
            "identificationMethod": 2,
            "remark": null,
            "type": 1,
            "supplierId": "1924350214015516673",
            "supplierName": "山西刀具",
            "stockInQuantity": "0",
            "orderId": "1928321098346606594"
        },
        {
            "id": "1928321045812948993",
            "identificationCode": "DT100411new",
            "inventoryQuantity": "1",
            "compId": "1927691938603413506",
            "compTypeId": 4,
            "compTypeName": "刀头",
            "compTypeFlag": 4,
            "compSpecificationsId": "1924344981147234306",
            "compSpecifications": "3/8\"",
            "compSpecificationsName": "切削刀头",
            "identificationMethod": 2,
            "remark": null,
            "type": 1,
            "supplierId": "1924999855765712898",
            "supplierName": "测试",
            "stockInQuantity": "0",
            "orderId": "1928321101563637762"
        },
        {
            "id": "1928321045804560386",
            "identificationCode": "HSK63A001",
            "inventoryQuantity": "1",
            "compId": "1924350556568518658",
            "compTypeId": 2,
            "compTypeName": "刀柄",
            "compTypeFlag": 2,
            "compSpecificationsId": "1924344837609762817",
            "compSpecifications": "HSK63A",
            "compSpecificationsName": "HSK刀柄",
            "identificationMethod": 2,
            "remark": null,
            "type": 1,
            "supplierId": "1924350214015516673",
            "supplierName": "山西刀具",
            "stockInQuantity": "0",
            "orderId": "1928321101563637762"
        }
    ]


function buildTree(data) {
  const createNode = () => ({
    name: '',
    children: [],
    data: [], // 仅叶子节点实际使用
  });

  const root = createNode();
  root.name = 'Root';

  data.forEach((item) => {
    const { compTypeName, compSpecifications, type, id, supplierName } = item;

    // 第一层：compTypeName
    let categoryNode = findOrCreateChild(root, compTypeName);
    
    // 第二层：compSpecifications
    let specNode = findOrCreateChild(categoryNode, compSpecifications);
    
    // 第三层：动态名称（厂内/supplierName）
    const nodeKey = type === 1 ? '厂内' : supplierName;
    let leafNode = findOrCreateChild(specNode, nodeKey);

    // 仅叶子节点记录 id
    if (leafNode.children.length === 0) { // 保证唯一性
      leafNode.data.push(id);
    }
  });

  // 清理生成最终结构
  const cleanTree = (node) => {
    return {
      name: node.name,
      data: node.children.length === 0 ? node.data.join(',') : '', // 仅叶子节点有 data
      children: node.children.map(cleanTree),
    };
  };

  return cleanTree(root);
}

// 辅助函数：查找或创建子节点
function findOrCreateChild(parent, name) {
  let child = parent.children.find((c) => c.name === name);
  if (!child) {
    child = {
      name,
      children: [],
      data: [],
    };
    parent.children.push(child);
  }
  return child;
}

// 使用示例
const treeData = buildTree(rawData);
console.log(JSON.stringify(treeData, null, 2));