做个笔记，亲测可用

```python

import requests

import json

from lxml import etree

from bs4 import BeautifulSoup

url = 'https://m.ctrip.com/webapp/hotel/j/hotellistbody?pageid=212093&key=a618c%60iDcf8%C2%A814KGaa035%2FJy2bddcaP%40e65d85d%3Fc61f44d399389006bebbc5cb&huk=S9aJ3pe7Te4PvAnwdYlfYp6E3YLpemkEn4jzaWaYs9jZmw0OJU0jAYoTjH9EbfvgbjMYL6Ia8wl5vAZwHYUcWQ7YTDyUljcSvdFeG1RHfj0leSYkSv0MKgkYGawb9jnke87yhZYtYmYnUvoMem0YHNidqYZYOY1pyDqjanx0PeGPwmMjMfrXgjNlR34iazwo9IU1Y9LjPYmse5LyShi9LiBGjUYoOyBpw8dYhFwFmy7fwakYmDwXY7BRqswTUWMAj9UJcqig6W4HYGdwDaRXUwazjoqRkYGsrQzjhGythw9OjfpjQ8wc8vhzRgOWktRAdyUQYkMiLARdgifYfmRDGw5DWq6JF5yfojHqRdtvFUw8GJ4QJlpYc8RUY6OjmbwApvMqjHYZPROkvzZY3PWaHePnRg8WmZj4AWAYPDRB4vtcY3TWQHeHpRqZWU6Ez6W6YD1RUMw8oW7Tjt0JFciGmW68YZFJt7RhsELSycz'

payloadheader = {

'authority': 'm.ctrip.com',

'method': 'POST',

'path': '/webapp/hotel/j/hotellistbody?pageid=212093&key=a618c%60iDcf8%C2%A814KGaa035%2FJy2bddcaP%40e65d85d%3Fc61f44d399389006bebbc5cb&huk=S9aJ3pe7Te4PvAnwdYlfYp6E3YLpemkEn4jzaWaYs9jZmw0OJU0jAYoTjH9EbfvgbjMYL6Ia8wl5vAZwHYUcWQ7YTDyUljcSvdFeG1RHfj0leSYkSv0MKgkYGawb9jnke87yhZYtYmYnUvoMem0YHNidqYZYOY1pyDqjanx0PeGPwmMjMfrXgjNlR34iazwo9IU1Y9LjPYmse5LyShi9LiBGjUYoOyBpw8dYhFwFmy7fwakYmDwXY7BRqswTUWMAj9UJcqig6W4HYGdwDaRXUwazjoqRkYGsrQzjhGythw9OjfpjQ8wc8vhzRgOWktRAdyUQYkMiLARdgifYfmRDGw5DWq6JF5yfojHqRdtvFUw8GJ4QJlpYc8RUY6OjmbwApvMqjHYZPROkvzZY3PWaHePnRg8WmZj4AWAYPDRB4vtcY3TWQHeHpRqZWU6Ez6W6YD1RUMw8oW7Tjt0JFciGmW68YZFJt7RhsELSycz',

'scheme': 'https',

'accept': 'text/html',

'accept-encoding': 'gzip, deflate, br',

'accept-language': 'zh-CN,zh;q=0.9',

'content-length': '1117',

'content-type': 'application/json',

'cookie': 'HLDUUID=64e4e34a2f6a4a8d9c4f2f001038116e; supportwebp=true; list_hotel_price=%7B%22traceid%22%3A%22100004883-3a7064cb-6afe-4a60-a521-56fc832ff2fd%22%2C%22pageid%22%3A%22212093%22%2C%22searchcandidate%22%3A%7B%22bedtype%22%3A%22%22%2C%22breakfast%22%3A-1%2C%22childs%22%3A%5B%5D%2C%22person%22%3A0%2C%22segmentationno%22%3A0%2C%22showtype%22%3A0%7D%2C%22timestamp%22%3A1608518070983%2C%22minpriceroom%22%3A%7B%22avgprice%22%3A151%2C%22cashbackamount%22%3A0%2C%22couponamount%22%3A0%2C%22currency%22%3A%22RMB%22%2C%22iscanreserve%22%3A1%2C%22isshadow%22%3A0%2C%22isusedcashback%22%3A1%2C%22isusedcoupon%22%3A-1%2C%22reductionamount%22%3A0%2C%22roomid%22%3A822100983%2C%22shadowId%22%3A0%2C%22taxfee%22%3A0%7D%2C%22ttype%22%3A0%2C%22icp%22%3A0%2C%22ipd%22%3A0%2C%22isopenpricetolerate%22%3A1%2C%22passData%22%3A%7B%22minPriceDetailInfo%22%3A%22%22%7D%7D; JSESSIONID=64C3384CD7932D78B0A8FE05C84A2F86; ibulanguage=CN; ibulocale=zh_cn; cookiePricesDisplayed=CNY; _RSG=HG4RzA1yyYA5fvTO5InEOA; _RDG=28c7fc45c749a92e343672259641905462; _RGUID=a8bcf012-bd6c-4411-a60e-c52158779a45; MKT_CKID=1604564189751.y0gdt.z92s; _ga=GA1.2.1442630158.1604564190; _abtest_userid=98f1c193-aeed-44cc-bfb7-dce45016a23e; MKT_Pagesource=PC; cticket=D7E5D6FF1FCFE372FCBA8D08018B18EE850DBAD8BF5709BC690907FDEF5F9F25; AHeadUserInfo=VipGrade=0&VipGradeName=%C6%D5%CD%A8%BB%E1%D4%B1&UserName=&NoReadMessageCount=0; GUID=09031149213039616044; HotelCityID=380split%E5%8D%97%E5%AE%81splitNanningsplit2020-12-4split2020-12-05split0; ticket_ctrip=bJ9RlCHVwlu1ZjyusRi+ypZ7X2r4+yojTmzDcktI7M4C0EskLVMK0lrCXhnuDj8dA92pzWks5c8FmvfoxNQGlaonIkM38NfKbL40tW25T0QscE9b+Sb/7zIpAeumkbTXJIkVlDueYw0WicYQmyektJJvs+HhzLkrE8dJCvC+AOCQaWtGiVt3Cef6UJjmUCzNs2gc/5qxfR0QXOmSVy5ovW67AaAmI4Lh8pxiIkXUzSTlqPEwCu0cCiFT3jPVIS8JpWHx/7RpzE+TuVsYbFWpQPJ1ta5X/rzL7M6DGZvk+zk=; nfes_isSupportWebP=1; MKT_OrderClick=ASID=48972257110&AID=4897&CSID=2257110&OUID=&CT=1608117770096&CURL=https%3A%2F%2Fhotels.ctrip.com%2Fhotels%2FdetailPage%3Fallianceid%3D4897%26sid%3D2257110%26bd_vid%3D12272123516948689266%26keywordid%3D189730625678%26checkin%3D2020-12-16%26checkout%3D2020-12-17%26hotelId%3D1719392%26adult%3D1%26crn%3D1&VAL={"pc_vid":"1605781965521.40zvlg"}; _RF1=220.166.229.158; librauuid=MtdcV8c9mlmF23mo; DUID=u=CB680F8835D75F2D847143D9A633A7C4&v=0; _gid=GA1.2.1929230059.1608515166; MKT_CKID_LMT=1608515166001; __utma=13090024.1442630158.1604564190.1608517975.1608517975.1; __utmz=13090024.1608517975.1.1.utmcsr=baidu|utmccn=(organic)|utmcmd=organic; __utmc=13090024; Session=smartlinkcode=U130026&smartlinklanguage=zh&SmartLinkKeyWord=&SmartLinkQuary=&SmartLinkHost=; MKT_code=OUID=&AllianceID=4897&SID=353693&SourceID=55551825&AppID=&OpenID=&exmktID=&createtime=1608517989&Expires=1609122788723; Union=OUID=&AllianceID=4897&SID=353693&SourceID=55551825&AppID=&OpenID=&exmktID=&createtime=1608517989&Expires=1609122788723; intl_ht1=h4=22249_455053,32_919951,12_1945382,547_37192103,477_2097037,2_2258966; _bfs=1.1; _uetsid=46004140432e11eb889b8b9838b6f929; _uetvid=3799d0201f3f11eba4ab0740f1d353e0; _bfi=p1%3D102002%26p2%3D102002%26v1%3D2424%26v2%3D2423; _jzqco=%7C%7C%7C%7C1608515166292%7C1.453714554.1604564189747.1608521336199.1608529226601.1608521336199.1608529226601.0.0.0.2016.2016; __zpspc=9.52.1608529226.1608529226.1%232%7Cwww.baidu.com%7C%7C%7C%7C%23; appFloatCnt=1998; hotelhst=1164390341; _bfa=1.1605781965521.40zvlg.1.1608520759447.1608530252749.66.2425.212093',

'origin': 'https://m.ctrip.com',

'referer': 'https://m.ctrip.com/webapp/hotel/guangzhou32/',

'sec-fetch-dest': 'empty',

'sec-fetch-mode': 'cors',

'sec-fetch-site': 'same-origin',

'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36',

'x-ctrip-hotel-firend': '----',

'x-requested-with': 'XMLHttpRequest'

}

payloadParam = {

'abMaps': {},

'adultCounts': 0,

'business': 'false',

# 'checkinDate': "20201221",

# 'checkoutDate': "20201222",

'cityID': 28,

'controlBitMap': 1,

'costPerformanceHigh': 'false',

'districtID': 0,

'domesticHotelList': "domesticHotelList",

'enableAdHotel': 'true',

'filterItemList': [],

'hiddenHotelIDList': [],

'hiddenHotelIdListStr': "",

'highestPrice': 0,

'hotelIdList': [],

'keyword': "",

'keywordFilterItem': "hotkeyword-锦江之星|||锦江之星12|",

'keywordText': "",

'locationItemList': [],

'lowestPrice': 0,

'multipleHotel': 'false',

'needLastPageRecommend': 'false',

'notTopSet': 'false',

'pageSize':' 20'

}

dumpJson = json.dumps(payloadParam)

html= requests.post(url,data=dumpJson,headers=payloadheader)

soup = BeautifulSoup(html.text, "html5lib")

html_tree = etree.HTML(str(soup))

code = html_tree.xpath('/html/body/div/@data-id')

json_code = json.dumps(code)

```