复制代码 代码如下:
#-*- encoding: utf-8 -*-
\’\’\’
Created on 2014-4-24

@author: Leon Wong
\’\’\’

import urllib2
import urllib
import re
import time
import os
import uuid

#获取二级页面url
def findUrl2(html):
    re1 = r\’http://tuchong.com/\\d+/\\d+/|http://\\w+(?    url2list = re.findall(re1,html)
    url2lstfltr = list(set(url2list))
    url2lstfltr.sort(key=url2list.index)
    #print url2lstfltr
    return url2lstfltr

#获取html文本
def getHtml(url):
    html = urllib2.urlopen(url).read().decode(\’utf-8\’)#解码为utf-8
    return html

#下载图片到本地
def download(html_page , pageNo):  
    #定义文件夹的名字
    x = time.localtime(time.time())
    foldername = str(x.__getattribute__(\”tm_year\”))+\”-\”+str(x.__getattribute__(\”tm_mon\”))+\”-\”+str(x.__getattribute__(\”tm_mday\”))
    re2=r\’http://photos.tuchong.com/.+/f/.+\\.jpg\’
    imglist=re.findall(re2,html_page)
    print imglist
    download_img=None
    for imgurl in imglist:
        picpath = \’D:\\\\TuChong\\\\%s\\\\%s\’  % (foldername,str(pageNo))
        filename = str(uuid.uuid1())
        if not os.path.exists(picpath):
            os.makedirs(picpath)              
        target = picpath+\”\\\\%s.jpg\” % filename
        print \”The photos location is:\”+target
        download_img = urllib.urlretrieve(imgurl, target)#将图片下载到指定路径中
        time.sleep(1)
        print(imgurl)
    return download_img

# def callback(blocknum, blocksize, totalsize):
#     \’\’\’回调函数
#     @blocknum: 已经下载的数据块
#     @blocksize: 数据块的大小
#     @totalsize: 远程文件的大小
#     \’\’\’
#     print str(blocknum),str(blocksize),str(totalsize)
#     if blocknum * blocksize >= totalsize:
#         print \’下载完成\’

def quitit():
    print \”Bye!\”
    exit(0)
   

if __name__ == \’__main__\’:
    print \’\’\’            *****************************************
            **    Welcome to Spider for TUCHONG    **
            **      Created on 2014-4-24           **
            **      @author: Leon Wong             **
            *****************************************\’\’\’
    pageNo = raw_input(\”Input the page number you want to scratch (1-100),please input \’quit\’ if you want to quit>\”)
    while not pageNo.isdigit() or int(pageNo) > 100 :
        if pageNo == \’quit\’:quitit()
        print \”Param is invalid , please try again.\”
        pageNo = raw_input(\”Input the page number you want to scratch >\”)

    #针对图虫人像模块来爬取
    html = getHtml(\”http://tuchong.com/tags/%E4%BA%BA%E5%83%8F/?page=\”+str(pageNo))

    detllst = findUrl2(html)
    for detail in detllst:
        html2 = getHtml(detail)
        download(html2,pageNo)
    print \”Finished.\”