遍历复杂的JSON以查找匹配并返回相关数据

import json

def find_matching_data(json_data, condition):
    matching_data = []
    
    def traverse_json(data):
        if isinstance(data, dict):
            for key, value in data.items():
                if key == condition['key'] and value == condition['value']:
                    matching_data.append(data)
                traverse_json(value)
        elif isinstance(data, list):
            for item in data:
                traverse_json(item)
    
    traverse_json(json_data)
    return matching_data

# 示例JSON数据
json_str = '''
{
  "employees": [
    {
      "firstName": "John",
      "lastName": "Doe"
    },
    {
      "firstName": "Anna",
      "lastName": "Smith"
    },
    {
      "firstName": "Peter",
      "lastName": "Jones"
    }
  ]
}
'''

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

# 设置匹配条件
condition = {
    "key": "firstName",
    "value": "Anna"
}

# 查找匹配数据
matching_data = find_matching_data(json_data, condition)

# 打印匹配结果
for data in matching_data:
    print(data)