pip install requests

pip install beautifulsoup4

pip install lxml

import time

import requests

import os

import threading

from bs4 import BeautifulSoup

class BeautifulPicture():

    def __init__(self):

        self.headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36'}

        self.web_url = "https://unsplash.com/"

        self.folder_path = r'C:\Users\peiqiang\Desktop\python Pic'

    def request(self, url):

        r = requests.get(url)

        return r

    def mkdir(self, path):

        path = path.strip()

        isExists = os.path.exists(path)

        if not isExists:

            print("创建名字叫做", path, "的文件夹")

            os.makedirs(path)

            print("创建成功！")

        else:

            print(path, '文件夹已经存在了，不再创建')

    def save_img(self, url, name):

        print('开始保存图片...')

        img = self.request(url)

        file_name = self.folder_path + '\{}.jpg'.format(name)

        print('开始保存文件')

        f = open(file_name, 'ab')

        f.write(img.content)

        f.close()

        thread_lock.release()

        print(file_name, '文件保存成功！')

    def get_pic(self):

        print('开始网页get请求')

        r = self.request(self.web_url)

        print('开始获取所有img标签')

        all_a = BeautifulSoup(r.text, 'lxml').find_all('img')

        print('开始创建文件夹')

        self.mkdir(self.folder_path)

        print('开始切换文件夹')

        os.chdir(self.folder_path)

        i=0

        for a in all_a:

            i += 1

            print("開始下載第{}張圖片".format(i))

            thread_lock.acquire()

            print("抓取圖片的URL：", a["src"])

            self.save_img(a["src"], i)

thread_lock = threading.BoundedSemaphore(value=10)

beauty = BeautifulPicture()

beauty.get_pic()