SOURCE

function array2tree(data, FieldName = "SCHEMENAME") {
  const result = []
  const map = data.reduce((pre, cur) => {
    pre[cur.ID] = cur
    return pre
  }, {})
  for (let item of data) {
    if (item.PID == 0) {
      item.id = item.ID
      item.label = item[FieldName]
      result.push(item)
      continue
    }
    if (item.PID in map) {
      const parent = map[item.PID]
      parent.id = parent.ID
      parent.label = parent[FieldName]
      parent.children = parent.children || []
      item.id = item.ID
      item.label = item[FieldName]
      parent.children.push(item)
    }
  }
  return result
}
function convert(list) {
    let result = [];
    const map = list.reduce((pre, cur) => {
        pre[cur.ID] = cur;
        return pre;
    }, {});

    for (const item of list) {
        if (item.PID === 0) {
            result.push(item);
            continue;
        }

        if (item.PID in map) {
            let parent = map[item.PID];
            parent.children = parent.children || [];
            parent.children.push(item);
        }
    }

    return result;
}

let list =  [
            {
                "ID": 1,
                "PID": 0,
                "SCHEMENAME": "局内用户方案分组",
                "REMARK": "",
                "ADDTIME": "2022-09-14 15:51:27"
            },
            {
                "ID": 2,
                "PID": 1,
                "SCHEMENAME": "气象台方案",
                "REMARK": "",
                "ADDTIME": "2022-09-14 15:51:59"
            },
            {
                "ID": 3,
                "PID": 2,
                "SCHEMENAME": "haha案",
                "REMARK": "",
                "ADDTIME": "2022-09-14 15:51:59"
            }
        ]
console.log(array2tree(list))
// console.log(convert(list))