如何将传入的JSON数据转换为具有行和列的表格式，其中数据是动态的？

import json
import pandas as pd

def convert_json_to_table(json_data):
    data = json.loads(json_data)

    # 提取数据
    rows = []
    columns = set()
    for item in data:
        row = {}
        for key, value in item.items():
            row[key] = value
            columns.add(key)
        rows.append(row)

    # 构建表结构
    table = []
    for column in columns:
        table.append([])

    # 填充数据
    for row in rows:
        for i, column in enumerate(columns):
            table[i].append(row.get(column, ''))

    # 转换为表格格式
    df = pd.DataFrame(table, columns=columns)

    return df

# 示例数据
json_data = '''
[
    {
        "name": "Alice",
        "age": 25,
        "city": "New York"
    },
    {
        "name": "Bob",
        "age": 30,
        "city": "Los Angeles",
        "occupation": "Engineer"
    },
    {
        "name": "Charlie",
        "age": 35,
        "city": "San Francisco",
        "occupation": "Designer"
    }
]
'''

# 转换JSON为表格
table = convert_json_to_table(json_data)
print(table)