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- import urllib.request
- import os
- import time
- import random
- def url_open(url): #打开一个网页
- req = urllib.request.Request(url)
- req.add_header('User-Agent', 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3947.100 Safari/537.36')
- # req.add_header('Referer', url)#设置请求头,如果爬下来的都是防盗图请参考网站最新请求头更改
- '''iplist =['23.244.28.27:3128', '65.49.222.187:8080', '167.99.236.14:80']
- proxy_support = urllib.request.ProxyHandler({'http':random.choice(iplist)})
- opener = urllib.request.build_opener(proxy_support)
- urllib.request.install_opener(opener)'''#代理
-
- response = urllib.request.urlopen(req)
- html = response.read()
- return html
- def get_page(url): #得到图片页数
- html = url_open(url).decode('utf-8')
- a = html.find('page-numbers current') + 22
- b = html.find('<', a)
- print('已获取到当前所在页面!')
- return html[a:b]
- #捕捉图片地址
- def find_imgs(url):
- html = url_open(url).decode('utf-8')
- img_addrs = []
- a = html.find("data-original=")
- while a != -1:
- b = html.find('.jpg', a, a+255)
- if b != -1:
- img_addrs.append(html[a+15: b+4])#.jpg是四个字符
- else:
- b = a + 15 #b找不到,b的地址改变
- a = html.find("data-original=", b) #下一次的起始位置是上一次的结束位置
- print('成功获取%d张图片地址!' % len(img_addrs))
- return img_addrs
- def save_imgs(folder,img_addrs): #保存图片
- for each in img_addrs:
- filename = each.split('/')[-1]
- with open(filename,'wb') as f:
- img = url_open(each)
- f.write(img)
- # time.sleep(5)
-
- def download_mm(folder='OOXX',pages=2): #主函数,生成文件夹,将图片保存在文件夹里
- os.mkdir(folder)
- os.chdir(folder)
- url = "https://www.mzitu.com/"
- page_num = int(get_page(url))
- for i in range(pages):
- page_num +=i
- page_url = url + 'page/' + str(page_num)+'/'
- img_addrs = find_imgs(page_url)
- save_imgs(folder,img_addrs)
-
- if __name__ =='__main__':
-
- download_mm()
-
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