树形结构的字典写入excel的问题

import xlsxwriter

class Worksheet():

    def __init__(self, filename):
        self.workbook  = xlsxwriter.Workbook(filename)
        self.worksheet = self.workbook.add_worksheet()

    def write(self, dct, row=0, col=0):
        for key, value in dct.items():
            self.worksheet.write(row, col, key)
            print('  '*col + f'{key}')
            if value:
                row = self.write(value, row, col+1)
            else:
                row += 1
        return row

    def close(self):
        self.workbook.close()

dct = {
    "keyword 1": {
        "keyword 1.1": {
            "keyword 1.1.1": {},
            "keyword 1.1.2": {},
        },
        "keyword 1.2": {
            "keyword 1.2.1": {},
            "keyword 1.2.2": {},
        },
    },
}

worksheet = Worksheet("D:/tree.xlsx")
worksheet.write(dct)
worksheet.close()Copy

from openpyxl import Workbook

current_row = 1

def write_dict_to_excel(ws, nested_dict, current_col):
    global current_row
    start_row = current_row

    for key, sub_dict in nested_dict.items():
        ws.cell(row=current_row, column=current_col, value=key)
        if sub_dict:  # 如果子字典不为空
            # 递归处理子字典
            write_dict_to_excel(ws, sub_dict, current_col + 1)
        current_row += 1  # 换行

    # 重置到起始行写下一个主键
    current_row = start_row + len(nested_dict)

if __name__ == "__main__":
    wb = Workbook()
    ws = wb.active

    data = {
        "keyword1": {
            "keyword1.1": {
                "keyword1.1.1": {},
                "keyword1.1.2": {}
            },
            "keyword1.2": {
                "keyword1.2.1": {},
                "keyword1.2.2": {}
            }
        }
    }

    write_dict_to_excel(ws, data, 1)
    wb.save("output.xlsx")Copy