改变的是分页标记。但是，还有其他一些事情。
这是完整的编码请求正文，参数包含在 #{}（number_of_results、pagination_token 和 product_id）中。
f.req=%5B%5B%5B%22UsvDTd%22%2C%22%5Bnull%2Cnull%2C%5B2%2Cnull%2C%5B#{number_of_results}%2Cnull%2C#{pagination_token}%5D%2Cnull%2C%5B%5D%5D%2C%5B%5C%22#{product_id}%5C%22%2C7%5D%5D%22%2Cnull%2C%22generic%22%5D%5D%5D
因此，每次滚动页面时，pagination_token 都会发生变化。他们使用它来检索下一页结果。
您不需要对令牌本身进行逆向工程。您可以在检查页面源时找到第一个，然后，每次下次您请求检索结果时，next_page_toke 将包含在其中。因此，您只需不断替换令牌，直到到达最后一页，然后检索所有评论。
或者，您可以使用 SerpApi 等第三方解决方案。我们为您处理代理、解决验证码并解析所有丰富的结构化数据。
用于检索 YouTube 评论的示例 python 代码（也可在其他库中获得）：
from serpapi import GoogleSearch
params = {
"api_key": "SECRET_API_KEY",
"engine": "google_play_product",
"store": "apps",
"gl": "us",
"product_id": "com.google.android.youtube",
"all_reviews": "true"
}
search = GoogleSearch(params)
results = search.get_dict()
示例 JSON 输出：
"reviews": [
{
"title": "Qwerty Jones",
"avatar": "https://play-lh.googleusercontent.com/a/AATXAJwSQC_a0OIQqkAkzuw8nAxt4vrVBgvkmwoSiEZ3=mo",
"rating": 3,
"snippet": "Overall a great app. Lots of videos to see, look at shorts, learn hacks, etc. However, every time I want to go on the app, it says I need to update the game and that it's \"not the current version\". I've done it about 3 times now, and it's starting to get ridiculous. It could just be my device, but try to update me if you have any clue how to fix this. Thanks :)",
"likes": 586,
"date": "November 26, 2021"
},
{
"title": "matthew baxter",
"avatar": "https://play-lh.googleusercontent.com/a/AATXAJy9NbOSrGscHXhJu8wmwBvR4iD-BiApImKfD2RN=mo",
"rating": 1,
"snippet": "App is broken, every video shows no dislikes even after I hit the button. I've tested this with multiple videos and now my recommended is all messed up because of it. The ads are longer than the videos that I'm trying to watch and there is always a second ad after the first one. This app seriously sucks. I would not recommend this app to anyone.",
"likes": 352,
"date": "November 28, 2021"
},
{
"title": "Operation Blackout",
"avatar": "https://play-lh.googleusercontent.com/a-/AOh14GjMRxVZafTAmwYA5xtamcfQbp0-rUWFRx_JzQML",
"rating": 2,
"snippet": "YouTube used to be great, but now theyve made questionable and arguably stupid decisions that have effectively ruined the platform. For instance, you now have the grand chance of getting 30 seconds of unskipable ad time before the start of a video (or even in the middle of it)! This happens so frequently that its actually a feasible option to buy an ad blocker just for YouTube itself... In correlation with this, YouTube is so sensitive twords the public they decided to remove dislikes. Why????",
"likes": 370,
"date": "November 24, 2021"
},
...
],
"serpapi_pagination": {
"next": "https://serpapi.com/search.json?all_reviews=true&engine=google_play_product&gl=us&hl=en&next_page_token=CpEBCo4BKmgKR_8AwEEujFG0VLQA___-9zuazVT_jmsbmJ6WnsXPz8_Pz8_PxsfJx5vJns3Gxc7FiZLFxsrLysnHx8rIx87Mx8nNzsnLyv_-ECghlTCOpBLShpdQAFoLCZiJujt_EovhEANgmOjCATIiCiAKHmFuZHJvaWRfaGVscGZ1bG5lc3NfcXNjb3JlX3YyYQ&product_id=com.google.android.youtube&store=apps",
"next_page_token": "CpEBCo4BKmgKR_8AwEEujFG0VLQA___-9zuazVT_jmsbmJ6WnsXPz8_Pz8_PxsfJx5vJns3Gxc7FiZLFxsrLysnHx8rIx87Mx8nNzsnLyv_-ECghlTCOpBLShpdQAFoLCZiJujt_EovhEANgmOjCATIiCiAKHmFuZHJvaWRfaGVscGZ1bG5lc3NfcXNjb3JlX3YyYQ"
}
查看documentation了解更多详情。
在playground 上实时测试搜索。
免责声明：我在 SerpApi 工作。