如何获取基于id的json键值

import json

# 示例JSON数据
json_data = '''
{
  "users": [
    {
      "id": 1,
      "name": "John",
      "age": 25
    },
    {
      "id": 2,
      "name": "Jane",
      "age": 30
    },
    {
      "id": 3,
      "name": "Alice",
      "age": 28
    }
  ]
}
'''

# 解析JSON数据
data = json.loads(json_data)

# 遍历数组，查找匹配的id
def get_user_by_id(id):
    for user in data['users']:
        if user['id'] == id:
            return user
    return None

# 获取id为2的用户信息
user_id = 2
user = get_user_by_id(user_id)

# 输出结果
if user:
    print(f"用户信息：{user}")
else:
    print(f"找不到id为{user_id}的用户")