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js 根据最后一级id查找上级id

react ant design Cascader多选数据回显

const test = [
  {
    id: 2,
    children: [
      {
        id: 5,
        children: [
          {
            id: 3,
          },
          {
            id: 4,
              children: [
		          {
		            id: 7,
		          },
		          {
		            id: 8,
		          },
		      ],
          },
        ],
      },
    ],
  },
];
const getHierarchyData = (rawData, list) => {
  const data = [];
  const find = (classifyList, id) => {
    let temp = [id];
    let forFn = function (arr, id) {
      for (let i = 0; i < arr.length; i++) {
        let item = arr[i];
        if (item.children) {
          let data1= item.children.find((item1) => item1.id === id);
          if (data1) {
            temp.unshift(item.id);
            forFn(classifyList, item.id);
            break;
          } else {
            forFn(item.children, id);
          }
        }
      }
    };
    forFn(classifyList, id);
    return temp;
  };
  list.forEach((str) => {
    data.push(find(rawData, str));
  });
  return data;
};
console.log(getHierarchyData(test , [8,3]))
结果:[[2, 5, 4, 8],[2, 5, 3]]
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