python爬虫爬取彼岸图网图片

话不多说，直接上代码！

import requests
from PIL import Image
from io import BytesIO
import re
from requests.exceptions import HTTPError

root = "http://pic.netbian.com/index_%d.html"

uni = "http://pic.netbian.com"

AllPage = []

AllImgHTML = []

AllImgURL = []

def GetPageURL(root, Start, counts):
    if Start == 1:
        AllPage.append("http://pic.netbian.com/index.html")
        for i in range(Start + 1, Start + counts):
            newURL = root.replace("%d", str(i))
            AllPage.append(newURL)
    else:
        for i in range(Start, Start + counts):
            newURL = root.replace("%d", str(i))
            AllPage.append(newURL)

def GetImgHTML(AllPage):
    for PageURL in AllPage:
        try:
            res = requests.get(PageURL)
            res.raise_for_status()
        except HTTPError:
            print("HTTP Error!")
        except ConnectionError:
            print("Failed to connect!")
        with open("C:/Users/86135/Desktop/PageFile.txt", "w", encoding="ISO-8859-1") as PageFile:
            PageFile.write(res.text)
            PageFile.close()
        with open("C:/Users/86135/Desktop/PageFile.txt", "r", encoding="gbk") as ReadFile:
            str = ReadFile.read()
            mid = re.split("\"", str)
            for i in mid:
                ImgHTML = re.findall("^/tupian/.*.html$", i)
                if len(ImgHTML) != 0:
                    AllImgHTML.append(ImgHTML[0])

def GetImgURL():
    UsefulImgHTML = [None for i in range(len(AllImgHTML))]
    for i in range(len(AllImgHTML)):
        UsefulImgHTML[i] = uni + AllImgHTML[i]
    for html in UsefulImgHTML:
        try:
            htmlres = requests.get(html)
            htmlres.raise_for_status()
        except HTTPError:
            print("HTTP Error!")
        except ConnectionError:
            print("Failed to connect!")
        with open("C:/Users/86135/Desktop/ImgHTML.txt", "w", encoding="ISO-8859-1") as ImgHTML:
            ImgHTML.write(htmlres.text)
            ImgHTML.close()
        with open("C:/Users/86135/Desktop/ImgHTML.txt", "r", encoding="gbk") as ReadHTML:
            str = ReadHTML.read()
            mid = re.split("\"", str)
            for i in mid:
                ImgURL = re.search("^/uploads/allimg/.*.jpg$", i)
                if ImgURL is not None:
                    AllImgURL.append(ImgURL[0])
                    break
    UsefulImgURL = [None for i in range(len(AllImgURL))]
    for i in range(len(AllImgURL)):
        UsefulImgURL[i] = uni + AllImgURL[i]
    return UsefulImgURL

def DownloadWallpaper(url, path):
    try:
        res = requests.get(url)
        res.raise_for_status()
        MyImage = Image.open(BytesIO(res.content))
        MyImage.save(path)
        print("Done...")
    except HTTPError:
        print("HTTP Error!")
    except ConnectionError:
        print("Failed to connect!")

if __name__ == "__main__":
    GetPageURL(root, 2, 2)
    GetImgHTML(AllPage)
    UsefulImgURL = GetImgURL()
    num = []
    for i in range(len(UsefulImgURL)):
        num.append(i)
    UsefulSavePath = [None for i in range(len(UsefulImgURL))]
    for i in range(len(UsefulSavePath)):
        UsefulSavePath[i] = "C:/Users/86135/Desktop/" + str(num[i]) + ".jpg"
    for i in range(len(UsefulImgURL)):
        print(i, end=" ")
        DownloadWallpaper(UsefulImgURL[i], UsefulSavePath[i])
    print("Task completed!")

运行结果如下：