Python实现批量下载图片的方法

#!/usr/bin/env python
#-*-coding:utf-8-*-'
#Filename:download_file.py
import os,sys
import re
import urllib
import urllib2
base_url = 'xxx'
array_url = list()
pic_url = list()
inner_url = list()
def get_array_url(array_url,base_url):
  cOntent= urllib.urlopen(base_url).read()
  array_url_a = re.findall(r'/rihan.*&＃63;.html',content)
  for url in array_url_a:
    url_a = 'xxx'+url
    #print url_a
    array_url.append(url_a)
def get_inner_url(array_url,inner_url):
  inner_url.append(array_url)
  cOntent= urllib.urlopen(array_url[10]).read()
  cOntent= content.replace(" ","")
  url_a = re.findall(r'
.*&＃63;
',content)
  for i in url_a:
    url = re.findall(r'ahref=\\'.*&＃63;.html\\'target',i)
    if len(url)>0:
      # print url[0]
      url_b = re.sub(r'ahref=\\'','',url[0])
      # print url_b
      url_c = re.sub(r'\\'target','',url_b)
      url_c = 'http://xxx/'+re.sub(r'/.*/','',url_c)
      inner_url.append(url_c)
  del inner_url[1]
  # print inner_url
def get_pic_url(pic_url,inner_url,array_url):
  cOntent= urllib.urlopen(array_url).read()
  pic_url_a = re.findall(r'center.*&＃63;.jpg',content)
  print 'bbbbbbbbb',len(pic_url_a)
  pic_url_a = re.findall(r'http://.*.jpg',pic_url_a[0])
  pic_url.append(pic_url_a[0])
  j=2
  for i in inner_url:
    jj = '/'+str(j)+'.jpg'
    pic = re.sub(r'/1.jpg',jj,pic_url_a[0])
    pic_url.append(pic)
    j = j+1
  del pic_url[-1]
  for i in pic_url:
    print i
def urlcallback(a,b,c):
  """
    call back function
    a,已下载的数据块
    b,数据块的大小
    c,远程文件的大小
  """
  print "callback"
  prec=100.0*a*b/c
  if 100 

希望本文所述对大家的Python程序设计有所帮助。