(编辑：jimmy 日期: 2024/10/1 浏览：2)
本代码主要实现抓取大众点评网中关村附近的餐馆有哪些，具体如下：
import urllib.request
import re
def fetchFood(url):
# 模拟使用浏览器浏览大众点评的方式浏览大众点评
headers = {'User-Agent',
'Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36'}
opener = urllib.request.build_opener()
opener.addheaders = [headers]
data = opener.open(url).read()
data = data.decode('utf')
print('================================抓取的页面数据=======================================')
print(data) # 打印抓取的页面
print('================================获取的餐馆信息====================================')
foodNameSet = set(re.compile(r'<img title="(.*"', re.DOTALL).findall(data))
number = 0
for i in foodNameSet:
number = number + 1
print("第%d个餐馆： %s" % (number, i))
foodUrl = "http://www.dianping.com/search/category/2/10/r1488"
fetchFood(foodUrl)
输出结果：
"D:\ProgramFiles\python\python.exe"D:/zhangzh/program/MyGitHub/python3-webapp-demo/www/dzdp.py
================================抓取的页面数据=======================================
<!DOCTYPEhtml>
<html>
<head>
<metacharset="UTF-8"/>
<metahttp-equiv="X-UA-Compatible"content="IE=edge"/>
<script>(function(n){vare;e="//catdot.dianping.com/broker-service/api/js",n.onerror=function(n,o,r){vari=encodeURIComponent,t=+newDate();(newImage).src=e+""+i(n)+"&file="+i(o)+"&line="+i(r)+"×tamp="+t}})(window);</script>
<title>北京中关村美食-大众点评网</title>
......此处省略
<liclass="">
<divclass="pic">
<atarget="_blank"href="/shop/33562041" rel="external nofollow" rel="external nofollow" rel="external nofollow" title="">
<imgtitle="渝是乎(中关村店)"alt="渝是乎(中关村店)"data-src="/UploadFiles/2021-04-08/023ff4be1a239be5b7f13ac328bc6c5d%40249w_249h_0e_1l%7Cwatermark%3D1%26%26r%3D1%26p%3D9%26x%3D2%26y%3D2%26relative%3D1%26o%3D20">
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