9 实例3：网络图片的爬取和存储

网络图片的爬取和存储

 1 """网络图片的爬取和存储"""
 2 
 3 
 4 import requests
 5 import os
 6 
 7 url = "http://image.nationalgeographic.com.cn/2017/0211/20170211061910157.jpg"
 8 root = "D://pics//"
 9 path = root + url.split('/')[-1]
10 # D://pics//20170211061910157.jpg
11 # print(path)
12 try:
13     if not os.path.exists(root):
14         os.mkdir(root)
15     if not os.path.exists(path):
16         r = requests.get(url)
17         with open(path, 'wb') as f:
18             f.write(r.content)
19             f.close()
20             print("文件保存成功")
21     else:
22         print("文件已存在")
23 except:
24     print("爬取失败")