Python JSON 解析示例，电商API返回的真实 JSON 结构

import json

# 假数据
json_str = '''
{
    "code": 200,
    "data": {
        "itemId": "1001",
        "title": "iPhone 14",
        "price": "3299"
    }
}
'''

# 解析
data = json.loads(json_str)

# 取值
print("状态码:", data["code"])
print("商品标题:", data["data"]["title"])
print("商品价格:", data["data"]["price"])

import json

# 假设这是接口返回的 JSON
response = {
    "code": 200,
    "data": {
        "itemId": "1000123456",
        "title": "95新 iPhone 14 128G",
        "price": "3299",
        "area": "北京 朝阳区",
        "images": [
            "https://img.xxx.com/1.jpg",
            "https://img.xxx.com/2.jpg"
        ],
        "seller": {
            "nickname": "转转优品"
        }
    }
}

# 直接解析字典
def parse_item(json_data):
    item = json_data["data"]
    return {
        "商品ID": item["itemId"],
        "标题": item["title"],
        "价格": item["price"],
        "地区": item["area"],
        "卖家": item["seller"]["nickname"],
        "图片1": item["images"][0]
    }

# 使用
result = parse_item(response)
print(result)

response = {
    "data": {
        "attributes": [
            {"name": "颜色", "value": "紫色"},
            {"name": "容量", "value": "128G"}
        ]
    }
}

# 解析属性
attrs = response["data"]["attributes"]
for attr in attrs:
    print(attr["name"], ":", attr["value"])

def safe_parse(json_data):
    try:
        item = json_data.get("data", {})
        return {
            "标题": item.get("title", "无标题"),
            "价格": item.get("price", "无价格"),
            "成色": item.get("quality", "未知成色")
        }
    except:
        return "解析失败"

def save_json(data, filename="item.json"):
    with open(filename, "w", encoding="utf-8") as f:
        json.dump(data, f, ensure_ascii=False, indent=2)

# 调用
save_json(response)

def load_json(filename="item.json"):
    with open(filename, "r", encoding="utf-8") as f:
        return json.load(f)