儘管如上所述您可以使用selenium
,但您也可以通過遵循XHR
請求並通過requests
進行模擬來學習。如果您注意到在打開Firebug或Chrome開發人員工具時搜索某個術語,它會請求一個API(通過XHR)並以json
格式返回結果。您可以簡單地請求參數並解析結果。
像這樣:
from bs4 import BeautifulSoup
import requests
jsonRequestData = '{"requests":[{"indexName":"wp_posts_recipe","params":"query=&hitsPerPage=1000&maxValuesPerFacet=100&page=0&distinct=false&facetingAfterDistinct=true&filters=record_index%3D0&facets=%5B%22spirit%22%2C%22style%22%2C%22season%22%2C%22flavor_profile%22%2C%22family%22%5D&tagFilters=&facetFilters=%5B%22spirit%3AGin%22%5D"}]}'
headers = {'Content-type': 'application/x-www-form-urlencoded', 'Accept': 'application/json'}
response = requests.post('http://h0iee3ergc-2.algolianet.com/1/indexes/*/queries?x-algolia-agent=Algolia%20for%20vanilla%20JavaScript%20(lite)%203.21.1%3Binstantsearch.js%201.11.6%3BJS%20Helper%202.19.0&x-algolia-application-id=H0IEE3ERGC&x-algolia-api-key=9a128c4989675ec375c59a2de9ef3fc1', headers=headers, data=jsonRequestData)
for hit in response.json()["results"][0]["hits"]:
print ("%s (%s)" % (hit["post_title"], hit["permalink"]))
哪裏jsonRequestData
是數據form post data
,在那裏你可以改變搜索項和headers
的是,你要發送的報頭。
它會輸出:
State Street Bloody Mary (http://punchdrink.com/recipes/state-street-bloody-mary/)
I'm Ya Huckleberry (http://punchdrink.com/recipes/im-ya-huckleberry/)
Girl From Cadiz (http://punchdrink.com/recipes/girl-from-cadiz/)
Breakfast Martini (http://punchdrink.com/recipes/breakfast-martini/)
Juniperotivo (http://punchdrink.com/recipes/juniperotivo/)
....
因爲它是一個動態的網站,你必須檢查Ajax請求得到的網址。 – amigcamel
@amigcamel謝謝!我最終使用硒來查找鏈接。儘管如此,我會在未來更多地考慮你的建議。 –