普通爬取：

 1 # -*- coding:utf-8 -*-
 2 # author:zxy
 3 # Date:2018-10-21
 4 import requests
 5 from lxml import etree
 6 import re
 7 import urllib
 8 import os
 9 import time
10 
11 
12 
13 def parse_page(url):
14     headers={
15         ‘User-Agent‘:‘Mozilla/5.0 (Windows NT 6.1; Win64; x64) ‘
16                      ‘
 
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36‘,
17         ‘Cookie‘:‘__cfduid=ddb28ef1934faef742f7fb8911d7b33bd1540080067; UM_distinctid=16693ece9945b2-0b031da4b19f32-333b5602-1fa400-16693ece9958e4;‘
18                   ‘ _ga=GA1.2.1950184368.1540080070; _gid=GA1.2.1249143498.1540080070; _gat=1‘
19
 
     }
20     response=requests.get(url,headers=headers)
21     text=response.text
22     html=etree.HTML(text)
23     imgs=html.xpath("//div[@class=‘page-content text-center‘]//img[@class!=‘gif‘]")
24     for img in imgs:
25         img_url=img.get(‘data-original‘)
26         alt=img.get(‘alt‘)
27         alt=re.sub(r‘
 
[\?？\.、.!！，,]‘,‘‘,alt)
28         suffix1=os.path.splitext(img_url)[1]
29         suffix=suffix1[0:4]
30         filename=alt+suffix
31         urllib.request.urlretrieve(img_url,‘D:\\我的圖片\\emoticon\\%s‘%filename)
32 
33 
34 
35 def main():
36     for x in range(1,101):
37         url="http://www.doutula.com/photo/list/?page=%d"%x
38         parse_page(url) 
39         time.sleep(1)
40     # url="http://www.doutula.com/photo/list/?page=1"
41     # parse_page(url)
42 
43 if __name__ == ‘__main__‘:
44     main()

多線程爬取：

 1 # -*- coding:utf-8 -*-
 2 # author:zxy
 3 # Date:2018-10-21
 4 
 5 from queue import Queue
 6 import requests
 7 from lxml import etree
 8 import re
 9 import urllib
10 import os
11 import time
12 import threading
13 from urllib import request
14 
15 class Procude(threading.Thread):
16     headers = {
17         ‘User-Agent‘: ‘Mozilla/5.0 (Windows NT 6.1; Win64; x64) ‘
18                       ‘AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36‘,
19         ‘Cookie‘: ‘__cfduid=ddb28ef1934faef742f7fb8911d7b33bd1540080067; UM_distinctid=16693ece9945b2-0b031da4b19f32-333b5602-1fa400-16693ece9958e4;‘
20                   ‘ _ga=GA1.2.1950184368.1540080070; _gid=GA1.2.1249143498.1540080070; _gat=1‘
21     }
22     def __init__(self,page_queue,img_queue,*args,**kwargs):
23         super(Procude, self).__init__(*args,**kwargs)
24         self.page_queue=page_queue
25         self.img_queue=img_queue
26 
27     def run(self):
28         while True:
29             if self.page_queue.empty():
30                 break
31             url=self.page_queue.get()
32             self.parse_page(url)
33 
34     def parse_page(self,url):
35         response=requests.get(url,headers=self.headers)
36         text=response.text
37         html=etree.HTML(text)
38         imgs=html.xpath("//div[@class=‘page-content text-center‘]//img[@class!=‘gif‘]")
39         for img in imgs:
40             img_url=img.get(‘data-original‘)
41             alt=img.get(‘alt‘)
42             alt=re.sub(r‘[\?？\.、.!！，,\*]‘,‘‘,alt)
43             suffix1=os.path.splitext(img_url)[1]
44             suffix=suffix1[0:4]
45             filename=alt+suffix
46             self.img_queue.put((img_url,filename))
47 
48 class Consumer(threading.Thread):
49     def __init__(self,page_queue,img_queue,*args,**kwargs):
50         super(Consumer, self).__init__(*args,**kwargs)
51         self.page_queue=page_queue
52         self.img_queue=img_queue
53     def run(self):
54         while True:
55             if self.img_queue.empty() and self.page_queue.empty():
56                 break
57 
58             img_url,filename=self.img_queue.get() #元組解包
59             request.urlretrieve(img_url,‘D:\\我的圖片\\emoticon\\%s‘%filename)
60             print(filename+"下載完成")
61 
62 
63 def main():
64     page_queue=Queue(100)
65     img_queue=Queue(1000)
66     for x in range(1,101):
67         url="http://www.doutula.com/photo/list/?page=%d"%x
68         page_queue.put(url)
69         # time.sleep(1)
70 
71     for x in range(5):
72         t=Procude(page_queue,img_queue)
73         t.start()
74 
75     for x in range(5):
76         t=Consumer(page_queue,img_queue)
77         t.start()
78 
79 
80 if __name__ == ‘__main__‘:
81     main()

爬取效果如下所示：

python3爬蟲 -----爬取鬥圖息-------www.doutula.com