阿里巴巴开放平台商品详情接口实操：数据解析 + 核心实现方案（附避坑指南）

import timeimport requestsimport hmacimport hashlibfrom datetime import datetimeclass AlibabaProductClient:    def __init__(self, app_key, app_secret, access_token):        self.app_key = app_key        self.app_secret = app_secret        self.access_token = access_token        self.api_url = "https://api.1688.com/router/json"    # 生成阿里签名（避坑：参数ASCII升序，编码UTF-8）    def _generate_sign(self, params):        sorted_params = sorted(params.items(), key=lambda x: x[0])        sign_str = "&".join([f"{k}{v}" for k, v in sorted_params]) + self.app_secret        return hmac.new(            sign_str.encode("utf-8"),             digestmod=hashlib.sha256        ).hexdigest().upper()    # 获取商品详情（支持字段筛选）    def get_detail(self, product_id, fields=None):        # 1. 构造参数        params = {            "app_key": self.app_key,            "method": "alibaba.product.get",            "format": "json",            "sign_method": "hmac-sha256",            "timestamp": datetime.now().strftime("%Y-%m-%d %H:%M:%S"),            "version": "1.0",            "access_token": self.access_token,            "product_id": product_id        }        if fields:            params["fields"] = ",".join(fields) if isinstance(fields, list) else fields        # 2. 加签名        params["sign"] = self._generate_sign(params)        # 3. 发请求        try:            resp = requests.post(                self.api_url, data=params, timeout=20,                headers={"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64)"}            )            resp.raise_for_status()            result = resp.json()            # 处理错误            if "error_response" in result:                err = result["error_response"]                raise Exception(f"Err{err['code']}: {err['msg']}")            return result["alibaba_product_get_response"]["product"]        except Exception as e:            print(f"调用失败：{str(e)}")            return None

class AlibabaDataParser:    # 解析价格梯度（B2B核心需求）    @staticmethod    def parse_price(price_data):        if not price_data:            return {"price_ranges": []}        # 提取批量价格        ranges = []        for item in price_data.get("price_ranges", []):            ranges.append({                "quantity": int(item.get("quantity", 0)),                "price": float(item.get("price", 0))            })        return {"price_ranges": sorted(ranges, key=lambda x: x["quantity"])}    # 解析SKU（多规格场景必用）    @staticmethod    def parse_sku(sku_data):        if not sku_data:            return {"has_sku": False, "sku_list": []}        sku_list = []        for sku in sku_data:            sku_list.append({                "sku_id": sku.get("sku_id", ""),                "specs": [{                    "name": s.get("name", ""),                    "value": s.get("value", "")                } for s in sku.get("specs", [])],                "price": float(sku.get("price", 0)),                "stock": int(sku.get("stock", 0))            })        return {"has_sku": True, "sku_list": sku_list}

def single_product_demo():    # 替换为自己的凭证    APP_KEY = "你的app_key"    APP_SECRET = "你的app_secret"    ACCESS_TOKEN = "你的access_token"    PRODUCT_ID = "624658978912"  # 示例商品ID    # 初始化客户端    client = AlibabaProductClient(APP_KEY, APP_SECRET, ACCESS_TOKEN)    # 只查需要的字段（减少数据量）    fields = ["product_id", "title", "price", "sku", "company", "sales"]    raw_data = client.get_detail(PRODUCT_ID, fields)    if raw_data:        # 解析关键数据        price_info = AlibabaDataParser.parse_price(raw_data["price"])        sku_info = AlibabaDataParser.parse_sku(raw_data["sku"])        # 打印结果        print(f"商品：{raw_data['title']}")        print(f"价格梯度：{price_info['price_ranges']}")        print(f"供应商：{raw_data['company']['company_name']}（信用：{raw_data['company']['credit_rating']}）")if __name__ == "__main__":    single_product_demo()

from concurrent.futures import ThreadPoolExecutordef batch_product_demo(product_ids):    APP_KEY = "你的app_key"    APP_SECRET = "你的app_secret"    ACCESS_TOKEN = "你的access_token"    client = AlibabaProductClient(APP_KEY, APP_SECRET, ACCESS_TOKEN)    # 并发≤2（避429超限）    with ThreadPoolExecutor(max_workers=2) as executor:        results = []        for pid in product_ids:            results.append(executor.submit(client.get_detail, pid))        # 处理结果        for fut in results:            data = fut.result()            if data:                print(f"成功获取：{data['title']}（月销：{data['sales']['monthly_sales']}）")# 调用batch_product_demo(["624658978912", "623547891256"])