#多语言爬取京东价格信息 python 比价api接入指南
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以下是使用 Python 接入京东价格信息比价 API 的一般指南：
- 寻找合适的比价 API 服务：
- 市面上有一些第三方数据服务提供商提供京东比价 API。这些服务通常需要你注册账号并申请 API Key 和 API Secret 等凭证，以便进行接口调用。你可以根据自己的需求选择合适的服务提供商，并仔细阅读其提供的 API 文档，了解接口的功能、参数、返回值等信息。
- 基本步骤：
- 注册与申请：在选定的比价 API 服务平台上完成注册，并按照要求申请 API 的使用权限，获取到 API Key 和 API Secret 等认证信息。
- 确定需求和参数：明确你想要获取的京东价格信息的具体范围，例如商品关键词、价格区间、商品分类、品牌等。根据 API 文档的要求，确定需要传递的参数及其格式。
- 发送请求：使用 Python 的
requests库或其他 HTTP 请求库来发送请求到比价 API 的接口地址。在请求中包含你的认证信息和之前确定好的参数。示例代码如下：
# 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://jd/item_search/?key=<您自己的apiKey>&secret=<您自己的apiSecret>&q=女装&start_price=0&end_price=0&page=1&cat=0&discount_only=&sort=&seller_info=no&nick=&seller_info=&nick=&ppath=&imgid=&filter="
headers = {
"Accept-Encoding": "gzip",
"Connection": "close"
}
if __name__ == "__main__":
r = requests.get(url, headers=headers)
json_obj = r.json()
print(json_obj)
处理响应：接收 API 返回的响应数据，一般为 JSON 格式。使用 Python 的 json 模块来解析响应数据，提取出你需要的价格信息等内容。示例代码：
{
"items": {
"page": "1",
"url": "https://search.jd.com/Search?keyword=%E5%A5%B3%E8%A3%85",
"keyword": "%E5%A5%B3%E8%A3%85",
"real_total_results": 10000,
"total_results": 10000,
"page_size": 20,
"pagecount": 500,
"data_from": "ha",
"item": [
{
"title": "恒源祥民族风复古高端香云纱袍子长款中长袖秋季新款连衣裙女装 高档女装高档女装衣服：绿色 高档女装高档女装衣服：XL",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/229888/17/7138/103455/657d33e2Fb291bf94/e0550ecfc9d4cf72.jpg",
"price": "220",
"sales": 0,
"num_iid": "10072445837225",
"area": "",
"seller": "恒源祥唐春（新余）专卖店",
"seller_id": "",
"detail_url": "https://item.jd.com/10072445837225.html"
},
{
"title": "恒源祥气质夏装网纱裙洋气减龄短袖裙子薄款中年女装连衣裙 高档女装高档女装衣服：粉色 高档女装高档女装衣服：XL",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/233125/37/8742/159235/657d33e3Fc9955b24/1e529d7bc36850ec.jpg",
"price": "208",
"sales": 0,
"num_iid": "10072392554898",
"area": "",
"seller": "恒源祥唐春（新余）专卖店",
"seller_id": "",
"detail_url": "https://item.jd.com/10072392554898.html"
},
{
"title": "恒源祥夏季2023新款棉麻女装复古刺绣亚麻连衣裙女长款短袖轻中式旗袍 高档女装高档女装衣服：紫色 高档女装高档女装衣服：XL",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/234995/12/8473/132011/657d33e2F77552971/cc68b2ec9d2b7f40.jpg",
"price": "210",
"sales": 0,
"num_iid": "10072445027274",
"area": "",
"seller": "恒源祥唐春（新余）专卖店",
"seller_id": "",
"detail_url": "https://item.jd.com/10072445027274.html"
},
{
"title": "恒源祥台湾网纱连衣裙2023夏装洋气蕾丝裙子中年女装高端大牌中长裙子 高档女装高档女装衣服：绿色 高档女装高档女装衣服：XL",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/230665/15/7877/144632/6579605eF0b2a51b5/e421ea8810202f58.jpg",
"price": "208",
"sales": 0,
"num_iid": "10072445052226",
"area": "",
"seller": "恒源祥唐春（新余）专卖店",
"seller_id": "",
"detail_url": "https://item.jd.com/10072445052226.html"
},
{
"title": "恒源祥夏季高档棉麻裙子仿仿仿真丝仿桑蚕丝背心裙2023新款女装色气质连 高档女装高档女装衣服：黑色 高档女装高档女装衣服：XL",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/229894/27/8084/105508/657d33e2F7b8d70e7/8ea5c1b283acdb9a.jpg",
"price": "199",
"sales": 0,
"num_iid": "10072444449819",
"area": "",
"seller": "恒源祥唐春（新余）专卖店",
"seller_id": "",
"detail_url": "https://item.jd.com/10072444449819.html"
},
{
"title": "恒源祥夏季中袖定位花连衣裙女2023新款中年女装洋气显瘦遮肉裙子 高档女装高档女装衣服：焦糖色 高档女装高档女装衣服：XL",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/228619/17/8030/102305/657d33e1Ffed8f97c/7f6d18e2b6132629.jpg",
"price": "215",
"sales": 0,
"num_iid": "10072445516016",
"area": "",
"seller": "恒源祥唐春（新余）专卖店",
"seller_id": "",
"detail_url": "https://item.jd.com/10072445516016.html"
},
{
"title": "乙纱2023秋季新款女装收腰显遮肚子秋冬女装连衣裙女装 黑色 M",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/208206/39/35861/43205/65379b40Fec8b5c22/ecf24a51e5f34b6c.jpg",
"price": "146",
"sales": 0,
"num_iid": "10089179742101",
"area": "",
"seller": "乙纱旗舰店",
"seller_id": "",
"detail_url": "https://item.jd.com/10089179742101.html"
},
{
"title": "YZYU优衣官方依库女装翻领短袖T恤女装洋气拼接polo衫2024新款体 白色品牌官方女装 M品牌官方女装",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/195619/23/42773/71794/65f72062F168fefac/3cb8e50b79920242.jpg",
"price": "98",
"sales": 0,
"num_iid": "10097856169583",
"area": "",
"seller": "悦曼服饰专营店",
"seller_id": "",
"detail_url": "https://item.jd.com/10097856169583.html"
},
{
"title": "YZYU优衣官方依库女装宽松短袖2024新款体恤女装夏季薄款上衣小衫 黑色品牌官方女装 M品牌官方女装",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/112313/15/41494/60448/65f71fdfF04bf3ec9/9076b279c0b5a7dc.jpg",
"price": "88",
"sales": 0,
"num_iid": "10097856062918",
"area": "",
"seller": "悦曼服饰专营店",
"seller_id": "",
"detail_url": "https://item.jd.com/10097856062918.html"
},
{
"title": "佐径（ZUOJING）2023秋季新款女装收腰显遮肚子秋冬女装连衣裙女装 黑色 M",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/182426/34/41222/47675/65379afbF64b66673/41925abb5f7c3ed2.jpg",
"price": "146",
"sales": 0,
"num_iid": "10089176055877",
"area": "",
"seller": "佐径（ZUOJING）旗舰店",
"seller_id": "",
"detail_url": "https://item.jd.com/10089176055877.html"
},
{
"title": "踏司红高端女装8607春装女装新款茶歇法式长裙感小香风碎花高端女装连衣 花色 S",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/101216/4/47604/115105/65eff71bF5921142f/4db87e77ecd48a61.jpg",
"price": "178",
"sales": 0,
"num_iid": "10098088553178",
"area": "",
"seller": "踏司红中老年旗舰店",
"seller_id": "",
"detail_url": "https://item.jd.com/10098088553178.html"
},
{
"title": "佐径（ZUOJING）2023秋季新款女装收腰显遮肚子秋冬女装连衣裙女装 黑色 M",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/236962/29/545/44153/65379ab2F39cedf24/95e7cf5bf37295ac.jpg",
"price": "146",
"sales": 0,
"num_iid": "10089166815662",
"area": "",
"seller": "佐径服饰旗舰店",
"seller_id": "",
"detail_url": "https://item.jd.com/10089166815662.html"
},
{
"title": "YZYU优衣官方依库女装纯棉v领短袖T恤女装绣花上衣2024新款休闲体恤 白色品牌官方女装 M品牌官方女装",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/168529/32/42753/83658/65f72045Fa6b20004/2c65956fd5bf9dc1.jpg",
"price": "88",
"sales": 0,
"num_iid": "10097856005091",
"area": "",
"seller": "悦曼服饰专营店",
"seller_id": "",
"detail_url": "https://item.jd.com/10097856005091.html"
},
{
"title": "YZYU优衣官方依库女装纯棉白色T恤女装春秋套头圆领长袖基础上衣 白色棉品牌官方女装 S品牌官方女装",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/146320/10/41861/75917/65f72364F27667515/c5ed886a93edb0ef.jpg",
"price": "118",
"sales": 0,
"num_iid": "10098379703983",
"area": "",
"seller": "悦曼服饰专营店",
"seller_id": "",
"detail_url": "https://item.jd.com/10098379703983.html"
},
{
"title": "YZYU优衣官方依库女装短袖T恤女装夏春季韩版印花宽松情侣正肩圆领ins 黑色品牌官方女装 S品牌官方女装",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/188573/14/37067/159324/65f7210eF3ada1f26/130048f25047f44a.jpg",
"price": "59",
"sales": 0,
"num_iid": "10097879600044",
"area": "",
"seller": "悦曼服饰专营店",
"seller_id": "",
"detail_url": "https://item.jd.com/10097879600044.html"
},
{
"title": "简夕墨 女装新款女装修身v领短款上衣服夏季新款女装紧身短袖T 灰色 S70-85斤",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/183508/30/13348/167835/60e85df5Ec2f6cf24/df1f064fe2f17575.jpg",
"price": "32",
"sales": 0,
"num_iid": "10033647072608",
"area": "",
"seller": "简夕墨服饰官方旗舰店",
"seller_id": "",
"detail_url": "https://item.jd.com/10033647072608.html"
},
{
"title": "毕航【女装】轻奢高端女装T恤女黑色半高领长袖打底衫女装秋冬 酒红色 S",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/210510/22/33054/85815/652a04b2Ffba72029/da147d3947444904.jpg",
"price": "168",
"sales": 0,
"num_iid": "10088255298632",
"area": "",
"seller": "毕航鞋靴旗舰店",
"seller_id": "",
"detail_url": "https://item.jd.com/10088255298632.html"
},
{
"title": "皮尔卡丹【轻奢】品牌女装法式连衣裙套装夏装新款女装盐系洋气上衣服 法国品牌旗舰女装秀红 短袖 法国品牌旗舰女装S",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/207601/32/33033/97958/6505a30fF52cf18d4/ada1549509950caa.jpg",
"price": "288",
"sales": 0,
"num_iid": "10085273013782",
"area": "",
"seller": "皮尔卡丹千清漪专卖店",
"seller_id": "",
"detail_url": "https://item.jd.com/10085273013782.html"
},
{
"title": "皮尔卡丹轻奢高档女装春秋季连衣裙新款2023中年妈m洋气品牌贵妇女装人气 咖色 XL",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/572/5/20772/55534/63f8361dFe4a4a7bb/e2351a65f09dbe98.jpg",
"price": "548",
"sales": 0,
"num_iid": "10069517573477",
"area": "",
"seller": "皮尔卡丹伊伦专卖店",
"seller_id": "",
"detail_url": "https://item.jd.com/10069517573477.html"
},
{
"title": "YZYU优衣官方依库女装v领短袖T恤女2024新款夏季衣服女装上衣洋气半袖 皮粉色品牌官方女装 M品牌官方女装",
"pic_url": "https://img11.360buyimg.com/n0/jfs/t1/137705/9/40832/58432/65ec1664F93f132d4/ea6564449a974088.jpg",
"price": "88",
"sales": 0,
"num_iid": "10097855946063",
"area": "",
"seller": "悦曼服饰专营店",
"seller_id": "",
"detail_url": "https://item.jd.com/10097855946063.html"
}
]
},
"error_code": "0000"
- 错误处理：在请求和处理响应的过程中，可能会遇到各种错误，例如网络问题、API 接口返回的错误码等。根据 API 文档中提供的错误码信息，进行相应的错误处理和异常处理，以确保程序的稳定性1。
3.多语言处理（如果 API 支持）：
- 有些比价 API 可能支持多种语言的商品信息返回，你可以在请求参数中指定语言参数，以便获取不同语言的价格信息。例如，如果 API 支持
lang参数来指定语言，你可以在请求时添加该参数：params = { "key": api_key, "secret": api_secret, "q": keyword, "lang": "en" # 请求英文语言的商品信息 } - 在处理响应数据时，根据不同语言的编码和字符集特点，可能需要进行相应的字符编码转换和处理，以确保正确显示和处理多语言的价格信息。
-
需要注意的是，在使用任何比价 API 时，都要遵守相关的服务条款和法律法规，不得将获取到的数据用于非法或违规的用途。同时，要确保数据的安全和隐私保护。
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