Python爬虫 —— 抓取美女图片

 

 

 

代码如下:

#coding:utf-8
# import datetime
import requests
import os
import sys
from lxml import etree
import codecs

class Spider:
    def __init__(self):
        self.headers = {}
        self.headers[\'User_Agent\'] = \'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0\'
        self.headers[\'Referer\'] = \'http://www.mzitu.com/all/\'

    def crawl(self, root_url):
        html_text = requests.get(root_url,headers=self.headers).text
        html_tree = etree.HTML(html_text)
        groups = html_tree.xpath("//div[@class=\'main-content\']//ul[@class=\'archives\']//a")
        count = 0
        print "开始抓取:"
        for group in groups:
            title = group.text
            groupUrl = group.get(\'href\')
            print "正在抓取组图:"+title
            dirpath = self.makDir(title)   #获取标题,并以标题为名字创建文件夹
            self.getGroup(groupUrl,dirpath)    #
            count = count+1
            if count>=5:
                print "抓取完成……"
                os._exit(0)

    def makDir(self,dirname):
        dirpath = os.path.join(u\'E:\学习资料\',dirname)
        if not os.path.exists(dirpath):
            os.makedirs(dirpath)
        return dirpath

    def getGroup(self,groupUrl,dirpath):
        self.headers[\'Referer\'] = groupUrl
        html_text = requests.get(groupUrl, headers=self.headers).text
        html_tree = etree.HTML(html_text)
        maxPage = html_tree.xpath("//div[@class=\'pagenavi\']//span")[-2].text    #获取改组图的张数
        for page in range(1,int(maxPage)+1):    #获取每一张图的所在页面
            pageUrl = groupUrl + \'/\' + str(page)    #拼接页面url
            self.getPage(pageUrl,page,dirpath)   #访问该页面

    def getPage(self, pageUrl,page,dirpath):
        self.headers[\'Referer\'] = pageUrl
        page_text = requests.get(pageUrl, headers=self.headers).text  #请求该图所在的页面
        page_tree = etree.HTML(page_text)
        imageurl = page_tree.xpath("//div[@class=\'main-image\']//img")[0].get(\'src\')    #获取图片url
        image = requests.get(imageurl, headers=self.headers).content                    #请求获取图片
        self.saveImage(image,page,dirpath)

    def saveImage(self,image,page,dirpath):
        imagepath = os.path.join(dirpath, str(page) + u\'.jpg\')
        file = codecs.open(imagepath, \'wb\')
        file.write(image)
        file.close()

if __name__ == \'__main__\':
    reload(sys)
    sys.setdefaultencoding(\'utf-8\')
    Mzitu = Spider()
    Mzitu.crawl(\'http://www.mzitu.com/all\')

 

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本文链接:https://www.cnblogs.com/DOLFAMINGO/archive/2004/01/13/9166435.html