我是網路抓取的新手。我正在嘗試抓取“在線購買時”
在 Target 中在線購買時。但我沒有在 HTML 中找到它。
.
有誰知道如何在 HTML 中定位元素？任何幫助表示贊賞。謝謝！
產品網址：
https://www.target.com/c/allergy-sinus-medicines-treatments-health/-/N-4y5ny?Nao=144
https://www.target.com/p/genexa-dextromethorphan-kids-39-cough-and-chest-congestion-suppressant-4-fl-oz/-/A-80130848#lnk=sametab
uj5u.com熱心網友回復：
我不知道您想要獲取哪個元素，但API發送的是 JSON 資料，而不是 HTML，您可以簡單地將其轉換為字典/串列并使用鍵/索引來獲取值。
但是您必須手動在 JSON 資料中找到正確的鍵。
或者您可以撰寫一些腳本以在 JSON 中搜索（使用for-回圈和遞回）
最少的作業代碼。我手動找到了鑰匙。
import requests
url = 'https://redsky.target.com/redsky_aggregations/v1/web/pdp_client_v1?key=9f36aeafbe60771e321a7cc95a78140772ab3e96&tcin=80130848&is_bot=false&member_id=0&store_id=1771&pricing_store_id=1771&has_pricing_store_id=true&scheduled_delivery_store_id=1771&has_financing_options=true&visitor_id=01819D268B380201B177CA755BCE70CC&has_size_context=true&latitude=41.9831&longitude=-91.6686&zip=52404&state=IA' # JSON
response = requests.get(url)
data = response.json()
product = data['data']['product']
print('price:', product['price']['current_retail'])
print('title:', product['item']['product_description']['title'])
print('description:', product['item']['product_description']['downstream_description'])
print('------------')
for bullet in product['item']['product_description']['bullet_descriptions']:
print(bullet)
print('------------')
print(product['item']['product_description']['soft_bullets']['title'])
for bullet in product['item']['product_description']['soft_bullets']['bullets']:
print('-', bullet)
print('------------')
for attribute in product['item']['wellness_merchandise_attributes']:
print('-', attribute['value_name'])
print(' ', attribute['wellness_description'])
結果：
price: 13.99
title: Genexa Dextromethorphan Kids' Cough and Chest Congestion Suppressant - 4 fl oz
description: Genexa Kids’ Cough & Chest Congestion is real medicine, made clean - a powerful cough suppressant and expectorant that helps control cough, relieves chest congestion and helps thin and loosen mucus. This liquid, non-drowsy medicine has the same active ingredients you need (dextromethorphan HBr and guaifenesin), but without the artificial ones you don’t (dyes, common allergens, parabens). We only use ingredients people deserve to make the first gluten-free, non-GMO, certified vegan medicines to help your little ones feel better. <br /><br />Genexa is the first clean medicine company. Founded by two dads who believe in putting People Over Everything, Genexa makes medicine with the same active ingredients people need, but without the artificial ones they don’t. It’s real medicine, made clean.
------------
<B>Suggested Age:</B> 4 Years and Up
<B>Product Form:</B> Liquid
<B>Primary Active Ingredient:</B> Dextromethorphan
<B>Package Quantity:</B> 1
<B>Net weight:</B> 4 fl oz (US)
------------
highlights
- This is an age restricted item and will require us to take a quick peek at your ID upon pick-up
- Helps relieve kids’ chest congestion and makes coughs more productive by thinning and loosening mucus
- Non-drowsy so your little ones (ages 4 ) can get back to playing
- Our medicine is junk-free, with no artificial sweeteners or preservatives, no dyes, no parabens, and no common allergens
- Certified gluten-free, vegan, and non-GMO
- Flavored with real organic blueberries
- Gentle on little tummies
------------
- Dye-Free
A product that either makes an unqualified on-pack statement indicating that it does not contain dye, or carries an unqualified on-pack statement such as "no dyes" or "dye-free."
- Gluten Free
A product that has an unqualified independent third-party certification, or carries an on-pack statement relating to the finished product being gluten-free.
- Non-GMO
A product that has an independent third-party certification, or carries an unqualified on-pack statement relating to the final product being made without genetically engineered ingredients.
- Vegan
A product that carries an unqualified independent, third-party certification, or carries on-pack statement relating to the product being 100% vegan.
- HSA/FSA Eligible
Restrictions apply; contact your insurance provider about plan allowances and requirements
編輯：
資訊"When purchased online"（或"at Cedar Rapids South"）位于不同的 url。
例如
產品網址：
https://www.target.com/p/genexa-kids-39-diphenhydramine-allergy-liquid-medicine-organic-agave-4-fl-oz/-/A-80130847
API產品資料：
https://redsky.target.com/redsky_aggregations/v1/web/pdp_client_v1?key=9f36aeafbe60771e321a7cc95a78140772ab3e96&tcin=80130847&is_bot=false&member_id=0&store_id=1771&pricing_store_id=1771&has_pricing_store_id=true&scheduled_delivery_store_id=1771&has_financing_options=true&visitor_id=01819D268B380201B177CA755BCE70CC&has_size_context=true&latitude=41.9831&longitude=-91.6686&zip=52404&state =IA
介面"at Cedar Rapids South"：
https://redsky.target.com/redsky_aggregations/v1/web_platform/product_fulfillment_v1?key=9f36aeafbe60771e321a7cc95a78140772ab3e96&is_bot=false&tcin=80130847&store_id=1771&zip=52404&state=IA&latitude=41.9831&longitude=-91.6686&scheduled_delivery_store_id=1771&required_store_id=1771&has_required_store_id=true
但可能在某些情況下，它可能會使用產品資料中的其他資訊來"When purchased online"代替"at Cedar Rapids South"- 這可以在 JavaScript 中進行硬編碼。例如，顯示的產品"When purchased online"有 formatted_price $13.99，但顯示的產品"at Cedar Rapids South"有 formatted_price"See price in cart"
import requests
url = 'https://redsky.target.com/redsky_aggregations/v1/web/plp_search_v1?key=9f36aeafbe60771e321a7cc95a78140772ab3e96&brand_id=q643lel65ir&channel=WEB&count=24&default_purchasability_filter=true&offset=0&page=/b/q643lel65ir&platform=desktop&pricing_store_id=1771&store_ids=1771,1768,1113,3374,1792&useragent=Mozilla/5.0 (X11; Linux x86_64; rv:101.0) Gecko/20100101 Firefox/101.0&visitor_id=01819D268B380201B177CA755BCE70CC' # JSON
response = requests.get(url)
data = response.json()
for product in data['data']['search']['products']:
print('title:', product['item']['product_description']['title'])
print('price:', product['price']['current_retail'])
print('formatted:', product['price']['formatted_current_price'])
print('---')
結果：
title: Genexa Kids' Diphenhydramine Allergy Liquid Medicine - Organic Agave - 4 fl oz
price: 7.99
formatted: See price in cart
---
title: Genexa Dextromethorphan Kids' Cough and Chest Congestion Suppressant - 4 fl oz
price: 13.99
formatted: $13.99
---
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