基于Python爬虫的提取网络评论生成csv文件的实例代码
时间: 2023-06-05 11:04:32 浏览: 79
我可以回答您的问题。以下是一个基于Python爬虫提取网络评论并生成csv文件的示例代码:
```python
import requests
from bs4 import BeautifulSoup
import csv
url = "https://www.example.com/reviews"
response = requests.get(url)
soup = BeautifulSoup(response.content, "html.parser")
reviews = []
for review in soup.find_all("div", class_="review"):
author = review.find("div", class_="author").text.strip()
date = review.find("div", class_="date").text.strip()
content = review.find("div", class_="content").text.strip()
rating = review.find("div", class_="rating").text.strip()
review_dict = {"author": author, "date": date, "content": content, "rating": rating}
reviews.append(review_dict)
with open("reviews.csv", "w", newline="") as csvfile:
fieldnames = ["author", "date", "content", "rating"]
writer = csv.DictWriter(csvfile, fieldnames=fieldnames)
writer.writeheader()
for review in reviews:
writer.writerow(review)
```
请注意,这仅仅是一个示例代码,并没有实际的网站链接。您需要将代码适当改变,以确保其可以在您的实际项目中使用。