1 import math
2 import os
3 import random
4 import re
5 import urllib.request
6 import ssl
7
8 ssl._create_default_https_context = ssl._create_unverified_context
9
10 ##获取第几页的HTML内容
11 def getContent(pageNum):
12
13 print("马上开始爬第%d页数据"%pageNum)
14 headers = {
15 "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36",
16 'Connection': 'keep-alive'
17 }
18
19 #https://pic.netbian.com/4kmeinv/index_6.html
20 url = "https://pic.netbian.com/4kmeinv/index_%d.html"%pageNum
21 if(pageNum == 1):
22 url = "https://pic.netbian.com/4kmeinv/index.html"
23
24
25 ##请求对象(URL + 请求头)
26 req = urllib.request.Request(url, headers=headers)
27
28 page = urllib.request.urlopen(req).read()
29 page = page.decode("GBK")
30 print("完成第%d页数据爬虫" %pageNum)
31 return page
32
33 ##从内容页面中 获取 图片的URL地址
34 def getPhotoUrl(content):
35 pattern = re.compile(r'<img src="(.+?)" alt=".*?" />')
36 res = re.findall(pattern, content)
37 # res = "https://pic.netbian.com/4kmeinv/"+res
38 list = []
39 for url in res:
40 newUrl = "https://pic.netbian.com" + url
41 list.append(newUrl)
42 return list
43
44 def downLoadAllPhoto(list,page):
45 ##创建目录
46 path = "E:\李泽成\素材\人像2"
47 if os.path.isdir(path) == False:
48 os.mkdir(path)
49
50 for (index,url) in enumerate(list):
51 filePath = "%s/%d_%d"%(path,page,index)
52 print("正在下载第%d:%s图片"%(index,url))
53 downloadFile(url,filePath)
54
55
56 ##下周一张图片
57 def downloadFile(url,path):
58 ##后缀名
59 ext = url.split(".")[-1]
60 path = path + "." + ext ##aaa.png
61
62 #设置请求头
63 opener = urllib.request.build_opener()
64 opener.addheaders=[("User-Agent", "Mozilla/5.0")]
65 urllib.request.install_opener(opener)
66 ##下载
67 urllib.request.urlretrieve(url, path)
68
69
70
71 if __name__ == '__main__':
72 for i in range(1,140):
73 page = getContent(i)
74 photoList = getPhotoUrl(page)
75 downLoadAllPhoto(photoList,i)
