#慕课网 Python 正则表达式 Python爬取一个网页的图片
#http://www.imooc.com/learn/550
#http://www.imooc.com/video/10512
#path=D:\Users\Administrator\AppData\Local\Programs\Python\Python36
import urllib.request import re import os my_outpath = 'D:/1/' outnewpath = os.path.dirname(my_outpath) if not os.path.exists(outnewpath): os.makedirs(outnewpath) print("not exists") #print(outnewpath) #print(my_outpath) req = urllib.request.urlopen('http://www.imooc.com/course/list?c=python') buf = req.read() buf=buf.decode('utf-8')#python3 listurl = re.findall(r'http.+?\.jpg',buf) i = 0 for url in listurl: #f = open(str(i)+'.jpg','wb+') f = open(my_outpath + str(i) + '.jpg', 'wb+') req = urllib.request.urlopen(url) buf = req.read() f.write(buf) f.close() i+=1