python3爬虫之二：爬取网页图片

Python3抓取网页图片
爬取的路径：URL = https://pixabay.com/zh/editors_choice/?media_type=illustration&pagi=3 (通过多次调试发现这个pagi值是个变量，表示页数，抓取其他页数图片可以修改这个值，或者循环抓取)，废话不多说，
原页面图片：

代码如下：

#coding:utf-8
import requests
import re
import urllib
import os
from bs4 import BeautifulSoup

url = 'https://pixabay.com/zh/editors_choice/?media_type=illustration&pagi=3'
cookies = {
    'Cookie':'bid=_lOjPCNt9wI; ll="118282"; _vwo_uuid_v2=90A455F697D39C4E7ADE716F87221D41|b2cfd7bec4a7b17a840474041b898d19; __utmc=30149280; _ga=GA1.2.1644812988.1515427525; _gid=GA1.2.1120993180.1526163442; push_noty_num=0; push_doumail_num=0; ct=y; __yadk_uid=1UDWf6kQP5PYke9rFuHb2klf4KbW2B5R; _pk_ses.100001.8cb4=*; __utma=30149280.1644812988.1515427525.1526171405.1526171405.1; __utmz=30149280.1526171405.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); __utmt=1; dbcl2="178599165:Y53LLRSxUvs"; _gat_UA-7019765-1=1; ck=QzdS; _pk_id.100001.8cb4=8ab848a65c47cc4a.1526171404.1.1526171408.1526171404.; __utmv=30149280.17859; __utmb=30149280.3.10.1526171405'
}
headers = {
    'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.104 Safari/537.36 Core/1.53.4882.400 QQBrowser/9.7.13059.400'
}
def getCode(url):
    r = requests.get(url,cookies = cookies, headers = headers)
    # print(r.status_code)
    # print(r.)
    r.encoding = 'UTF-8'
    tmp = r.text
    return tmp
def getHtmlTree(url):
    tmp = getCode(url)
    htmlTree = BeautifulSoup(tmp,"html.parser")
    return htmlTree
def getUrlList(url):
    HtmlTree = getHtmlTree(url)
    imgList = HtmlTree.find_all('img')
    UrlList = []
    for imgUrl in imgList:
        if imgUrl.get('src') :
            UrlList.append(imgUrl.get('src'))
    return UrlList
def saveImg(url):
    try:
        img = requests.get(url,cookies = cookies, headers = headers)
    except requests.exceptions.MissingSchema:
        print('路径异常!')
        return
    flag = url.split('/')
    print(flag[-1])
    imgName = flag[-1]
    f = open(imgName,'wb')
    f.write(img.content)
    f.close()
# cmd = 'del /q /s *.png'
# cmd1 = 'del /q /s *.jpg'
# os.system(cmd)
# os.system(cmd1)
if __name__ == '__main__':
    UrlList = getUrlList(url)
    for url in UrlList:
        saveImg(url)

下载下来的效果图：