淘宝/天猫获得淘宝商品详情API（item_get）返回值说明
淘宝（天猫）的 API 开发接口，我们需要做下面几件事情。
1）开放平台注册开发者账号；
2）然后为每个淘宝应用注册一个应用程序键（App Key) ；
3）下载淘宝 API 的 SDK 并掌握基本的 API 基础知识和调用；
4）利用 SDK 接口和对象，传入 AppKey 或者必要的时候获取并传入 SessionKey 来进行程序开发；
5）利用淘宝平台的文档中心和 API 测试工具，对接口进行测试。从而了解返回信息，方便程序获取。
以上是一般淘宝 API 应用开发的关键流程，其中通过淘宝文档中心和 API 测试工具，进行概念了解和接口信息查询很重要。因为这些数据就是我们需要在逐步显示出来的。淘宝的 API 很多，不过都分为了好几个领域，慢慢就会了解深入了。
taobao.item_get-淘宝商品详情数据
1.公共参数：
| 名称 | 类型 | 必须 | 描述 |
|---|---|---|---|
| key | String | 是 | 调用key（必须以GET方式拼接在URL中，复制Taobaoapi2014） |
| secret | String | 是 | 调用密钥 |
| api_name | String | 是 | API接口名称（包括在请求地址中）[item_search,item_get,item_search_shop等] |
| cache | String | 否 | [yes,no]默认yes，将调用缓存的数据，速度比较快 |
| result_type | String | 否 | [json,jsonu,xml,serialize,var_export]返回数据格式，默认为json，jsonu输出的内容中文可以直接阅读 |
| lang | String | 否 | [cn,en,ru]翻译语言，默认cn简体中文 |
| version | String | 否 | API版本 （查看调用示例） |
2.请求方式：HTTP POST GET
3.请求参数：
请求参数：num_iid=******** 淘宝商品ID is_promotion:是否获取取促销价
4.代码展示：
# coding:utf-8
"""
Compatible for python2.x and python3.x
requirement: pip install requests
"""
from __future__ import print_function
import requests
# 请求示例 url 默认请求参数已经做URL编码
url = "https://api-gw.Taobaoapi2014.cn/taobao/item_get/?key=<您自己的apiKey>&secret=<您自己的apiSecret>&num_iid=652874751412&is_promotion=1"
headers = {
"Accept-Encoding": "gzip",
"Connection": "close"
}
if __name__ == "__main__":
r = requests.get(url, headers=headers)
json_obj = r.json()
print(json_obj)
5.响应代码样例（展示部分）
{
"item": {
"num_iid": "520813250866",
"title": "三刃木折叠刀过安检创意迷你钥匙扣钥匙刀军刀随身多功能小刀包邮",
"desc_short": "",
"price": 25.8,
"total_price": 0,
"suggestive_price": 0,
"orginal_price": "25.80",
"nick": "欢乐购客栈",
"num": "832",
"min_num": 0,
"detail_url": "http://item.taobao.com/item.htm?id=520813250866",
"pic_url": "//img.alicdn.com/imgextra/i4/2596264565/TB2p30elFXXXXXQXpXXXXXXXXXX_!!2596264565.jpg",
"brand": "三刃木",
"brandId": "4036703",
"rootCatId": "50013886",
"cid": "50014822",
"favcount": "4824",
"fanscount": "1469",
"crumbs": [],
"created_time": "",
"modified_time": "",
"delist_time": "",
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"item_imgs": [
{
"url": "//img.alicdn.com/imgextra/i4/2596264565/TB2p30elFXXXXXQXpXXXXXXXXXX_!!2596264565.jpg"
},
{
"url": "//img.alicdn.com/imgextra/i2/2596264565/TB2onxRlVXXXXcDXpXXXXXXXXXX_!!2596264565.jpg"