import re
import requests
import hashlib
import time

respose=requests.get('http://www.xiaohuar.com/v/')

# print(respose.status_code)# 响应的状态码

# print(respose.content) #返回字节信息

# print(respose.text) #返回文本内容

urls=re.findall(r'class="items".?href="(.?)"',respose.text,re.S) #re.S 把文本信息转换成1行匹配

url=urls[5]

result=requests.get(url)

mp4_url=re.findall(r'id="media".?src="(.?)"',result.text,re.S)[0]

video=requests.get(mp4_url)

with open('D:\a.mp4','wb') as f:

f.write(video.content)

def get_index(url):
respose = requests.get(url)
if respose.status_code==200:
return respose.text

def parse_index(res):
urls = re.findall(r'class="items".?href="(.?)"', res,re.S) # re.S 把文本信息转换成1行匹配
return urls

def get_detail(urls):
for url in urls:
if not url.startswith('http'):
url='http://www.xiaohuar.com%s' %url
result = requests.get(url)
if result.status_code==200 :
mp4_url_list = re.findall(r'id="media".?src="(.?)"', result.text, re.S)
if mp4_url_list:
mp4_url=mp4_url_list[0]
print(mp4_url)
# save(mp4_url)

def save(url):
video = requests.get(url)
if video.status_code==200:
m=hashlib.md5()
m.updata(url.encode('utf-8'))
m.updata(str(time.time()).encode('utf-8'))
filename=r'%s.mp4'% m.hexdigest()
filepath=r'D:\%s'%filename
with open(filepath, 'wb') as f:
f.write(video.content)

def main():
for i in range(5):
res1 = get_index('http://www.xiaohuar.com/list-3-%s.html'% i )
res2 = parse_index(res1)
get_detail(res2)

if name == 'main':
main()

我运行之后也成功了，但是谁能告诉我这个我爬下来的数据放到哪个文件下了？