我想从一个网站中提取评论,使用此代码我成功地提取了评论。
import requests
from urllib.parse import unquote
url = 'https://apicomment.detik.com/graphql'
payload = {"query":"query search($type: String!, $size: Int!,$anchor: Int!, $sort: String!, $adsLabelKanal: String, $adsEnv: String, $query: [ElasticSearchAggregation]) {\nsearch(type: $type, size: $size,page: $anchor, sort: $sort,adsLabelKanal: $adsLabelKanal, adsEnv: $adsEnv, query: $query){\npaging sorting counter counterparent profile hits {\nposisi hasAds results {\n id author content like prokontra status news create_date pilihanredaksi refer liker { id } reporter { id status_report } child { id child parent author content like prokontra status create_date pilihanredaksi refer liker { id } reporter { id status_report } authorRefer } } } }}","variables":{"type":"comment","sort":"newest","size":10,"anchor":1,"query":[{"name":"news.artikel","terms":5307853},{"name":"news.site","terms":"dtk"}],"adsLabelKanal":"detik_finance","adsEnv":"desktop"}}
while True:
r = requests.post(url,json=payload)
container = r.json()['data']['search']['hits']['results']
if not container:
break
else:
for item in container:
if not len(item['author']):continue
print(item['author']['name'],unquote(item['content']))
payload['variables']['anchor']+=1
但是,实际上我不是很了解此代码,尤其是这一行。
url = 'https://apicomment.detik.com/graphql'
payload = {"query":"query search($type: String!, $size: Int!,$anchor: Int!, $sort: String!, $adsLabelKanal: String, $adsEnv: String, $query: [ElasticSearchAggregation]) {\nsearch(type: $type, size: $size,page: $anchor, sort: $sort,adsLabelKanal: $adsLabelKanal, adsEnv: $adsEnv, query: $query){\npaging sorting counter counterparent profile hits {\nposisi hasAds results {\n id author content like prokontra status news create_date pilihanredaksi refer liker { id } reporter { id status_report } child { id child parent author content like prokontra status create_date pilihanredaksi refer liker { id } reporter { id status_report } authorRefer } } } }}","variables":{"type":"comment","sort":"newest","size":10,"anchor":1,"query":[{"name":"news.artikel","terms":5307853},{"name":"news.site","terms":"dtk"}],"adsLabelKanal":"detik_finance","adsEnv":"desktop"}}
网址不同。但是,输出正是我真正想要的。有人可以向我解释一下并给我一些参考吗?
URL不同,因为它不是您要从中提取评论的网站本身,而是一个comment-api。该api提供了一种简单的搜索评论的方法,而无需对网站进行反向工程。
工资是您如何告诉api您要查找的内容。大概有一些文档说明了如何针对此确切的api格式化有效载荷。
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我来说两句