#coding:utf-8

import urllib.request

import re

import time

#the time now

time=time.strftime('%Y-%m-%d',time.localtime(time.time()))

url_id=1325

while url_id<=(url_id+50):

#visit the page

url='http://www.youdaili.cn/Daili/http/%d.html'%url_id

req=urllib.request.Request(url)

response=urllib.request.urlopen(url)

html=response.read().decode('utf-8')

#find the time on the page

reg=re.compile(r'\d{4}-\d{2}-\d{2}')

result=reg.findall(html)

result=result[0]

#is the page released today?

if result==time:

print('开始获取,开始下载')

reg2=re.compile(r'\d*\.\d*\.\d*\.\d*')

result2=reg2.findall(html)

print('下载完成')

#print (result2)

break

else:

url_id+=5

#print(url_id)

else:

print('获取失败...')