from bs4 import BeautifulSoup

import random,os,requests

headers = {

    'User-Agent': "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:58.0) Gecko/20100101",

    'Referer': "http://i.meizitu.net"

}

def home_page(num,num2,headers):

    list_url = []

    for num in range(num,num2+1):

        url = "http://www.meizitu.com/a/more_%d.html"%num

        req = requests.get(url,headers=headers)

        req.encoding = req.apparent_encoding

        html = req.text

        bf = BeautifulSoup(html,'lxml')

        targets_url = bf.find_all(class_="pic")

        for each in targets_url:

            list_url.append(each.a.get('href'))

    return list_url

def deal_page(headers,list_url):

    list_url2 = []

    for targets_url2 in list_url:

        req = requests.get(targets_url2,headers=headers)

        req.encoding = "utf-8"

        html2 = req.text

        bf2 =  BeautifulSoup(html2,'lxml')

        targets_url3 = bf2.find_all(id="picture")

        # print(targets_url3)

        list_url2.append(targets_url3)

    return list_url2

def download(headers,list_url2):

    list_url3 = []

    # ================================

    print(list_url2)

    import re

    urls = re.findall(r'http.*?jpg',str(list_url2))

    print(urls,len(urls))

    for endurl in urls:

        filename = (endurl.split('/')[-3]) + (endurl.split('/')[-2]) +(endurl.split('/')[-1])

        print(endurl)

        print(filename)

        req3 = requests.get(endurl, headers=headers)

        root = "//Users//apple//Desktop//meizitu//"

        path = root + str(random.randrange(10000)) + filename

        if not os.path.exists(path):

            with open(path, 'wb') as f:

                f.write(req3.content)

            f.close()

            print("下载完成")

if __name__ == '__main__':

    num = int(input("请输入要爬取的起始页："))

    num2 = int(input("请输入终止页："))

    a = home_page(num,num2,headers)

    b = deal_page(headers, a)

    download(headers, b)