Python批量抓取图片详解编程语言

[Python]代码    

# -*- coding:utf-8 -*- 
# coding=UTF-8 
 
import os,urllib,urllib2,re 
 
url = u"http://image.baidu.com/search/index?tn=baiduimage&ipn=r&ct=201326592&cl=2&lm=-1&st=-1&fm=index&fr=&sf=1&fmq=&pv=&ic=0&nc=1&z=&se=1&showtab=0&fb=0&width=&height=&face=0&istype=2&ie=utf-8&word=python&oq=python&rsp=-1" 
outpath = "t://" 
 
def getHtml(url): 
    webfile = urllib.urlopen(url) 
    outhtml = webfile.read() 
    print outhtml 
    return outhtml 
 
def getImageList(html): 
    restr=ur'(' 
    restr+=ur'http:////[^/s,"]*/.jpg' 
    restr+=ur'|http:////[^/s,"]*/.jpeg' 
    restr+=ur'|http:////[^/s,"]*/.png' 
    restr+=ur'|http:////[^/s,"]*/.gif' 
    restr+=ur'|http:////[^/s,"]*/.bmp' 
    restr+=ur'|https:////[^/s,"]*/.jpeg'     
    restr+=ur'|https:////[^/s,"]*/.jpeg' 
    restr+=ur'|https:////[^/s,"]*/.png' 
    restr+=ur'|https:////[^/s,"]*/.gif' 
    restr+=ur'|https:////[^/s,"]*/.bmp' 
    restr+=ur')' 
    htmlurl = re.compile(restr) 
    imgList = re.findall(htmlurl,html) 
    print imgList 
    return imgList 
 
def download(imgList, page): 
    x = 1 
    for imgurl in imgList: 
        filepathname=str(outpath+'pic_%09d_%010d'%(page,x)+str(os.path.splitext(urllib2.unquote(imgurl).decode('utf8').split('/')[-1])[1])).lower() 
        print '[Debug] Download file :'+ imgurl+' >> '+filepathname 
        urllib.urlretrieve(imgurl,filepathname) 
        x+=1 
 
def downImageNum(pagenum): 
    page = 1 
    pageNumber = pagenum 
    while(page <= pageNumber): 
        html = getHtml(url)#获得url指向的html内容 
        imageList = getImageList(html)#获得所有图片的地址，返回列表 
        download(imageList,page)#下载所有的图片 
        page = page+1 
 
if __name__ == '__main__': 
    downImageNum(1) 
 
 

QQ截图20150807150345.png