详细见代码，在代码段有相应注释：
from multiprocessing import Pool import requests import re import random class dImg(): def __init__(self): self.count = 0 pass def run(self): self.userSearch = input('请输入你想要下载的图片:') self.userNum = int(input('你想要下载多少页面图片:')) self.download() def processRun(self): self.userSearch = input('请输入你想要下载的图片:') self.userNum = int(input('你想要下载多少页面图片:')) self.multiDownPage() def download(self): for item in range(self.userNum): self.downloadPage(item) def downloadPage(self, item): item = item + 1 res = requests.get('https://pixabay.com/zh/photos/?q={}&pagi={}'.format(self.userSearch, item)) # (http.*?)表示获取以http开头的字符串 pattern = re.compile('<div class="item".*?<img.*?src="(http.*?)".*?title="(.*?)">', re.S) result = re.findall(pattern, res.text) print(res.text) for item in result: # 请求相应链接的具体图片并保存到本地 imgContent = requests.get(item[0]) # 图片名随机数生成，保存图片要用二进制形式保存所有此处为wb # imgContent.content为请求到的图片内容 ranNum = random.randint(0, 100000000) with open('./image/{}.jpg'.format(ranNum), 'wb') as f: f.write(imgContent.content) print('已下载完：%s图' % ranNum) self.count = self.count + 1 def multiDownPage(self): # 设置的进程数和输入下载页数一样 p = Pool(self.userNum) # 在进程数为p下,非柱塞的一一执行self.userNum页数的任务 for i in range(self.userNum): # 参数args=(i,)为一个元组,所以后面的逗号必须有,表示页数 p.apply_async(self.downloadPage, args=(i,)) p.close() # 暂停进程,即设置进程的间隔时间 p.join() print('所有图片下载完毕') if __name__ == '__main__': # 实例化类,并调用其主函数 a = dImg() # a.run() a.processRun()