python爬虫学习（一）爬取高清壁纸（各种主流大小的高清图）

from bs4 import BeautifulSoup
import requests
import time
import os

def get_photo(key):
    url = "https://desk.zol.com.cn/meinv/"+str(key)+".html"
    resp = requests.get(url)
    resp.encoding = "gb2312"
    main_page = BeautifulSoup(resp.text,"html.parser")
    ul = main_page.find("ul",class_="pic-list2")
    a = ul.find_all("a",class_="pic")

    for i in a:

        url_detail = "https://desk.zol.com.cn/"+str(i.get('href').strip("/"))

        child_resp = requests.get(url_detail,"html.parser")

        child_page = BeautifulSoup(child_resp.text,"html.parser")

        child_dd = child_page.find("dd",id="tagfbl")

        child_a = child_dd.find_all("a",class_="")

        num = 0
        for i in child_a:
            child_url = "https://desk.zol.com.cn"+str(i.get('href'))
            child_name = child_url.strip('https://desk.zol.com.cn/showpic/')+str('.jpg')
            child_html = requests.get(child_url)
            child_img = BeautifulSoup(child_html.text,"html.parser").find("img").get('src')
            child_requests = requests.get(child_img)
            if (num == 0):
                if not os.path.exists('爬取高清图片'):
                    os.mkdir('爬取高清图片')
                with open("D:/code/python/爬取高清图片/"+child_name,mode="wb") as f:
                    f.write(child_requests.content)
                print("sucessful!!!" +child_name)
            num+=1
            time.sleep(1)
        
def start():
    for i in range(20):
        get_photo(i+1)if __name__ == "__main__":
    start()