所以，我今天给他买了个打印机，又花了点时间写个爬虫，弄了一批卷子，等后天打印机送到家，让他的五一充实起来。
废话少说，上代码！！！！！！！
[Python] 纯文本查看 复制代码
import concurrent.futures
import os
import threading
from concurrent.futures import ThreadPoolExecutor
import rarfile
import requests
from bs4 import BeautifulSoup
def download(url, category, level, name):
path = category + "/" + level + "/" + name + ".rar"
dir_name = os.path.dirname(path)
os.makedirs(dir_name, exist_ok=True)
res = requests.get(domain + url, headers=dic)
with open(path, "wb") as f:
f.write(res.content)
f.flush()
print(f'线程:{threading.current_thread().name} 下载完成:{path}')
# 解压
extract_rar(path, category + "/" + level)
# 自动删除rar
os.remove(path)
def extract_rar(file_path, extract_path):
with rarfile.RarFile(file_path) as rf:
for member in rf.infolist():
if not member.filename.endswith('.doc'):
continue
rf.extract(member.filename, extract_path)
def getPageList(page_index):
page_url = f"a/sjyw4/list_109_{page_index}.html"
root = requests.get(domain + page_url, headers=dic)
root.encoding = "gb2312"
root_html = BeautifulSoup(root.text, "html.parser")
tr_list = root_html.find("div", class_="listbox").find("table").find_all("tr")
for index, tr in enumerate(tr_list):
if index == 0 or (tr.text.find(".doc") == -1):
continue
tds = tr.find_all("td")
name = tds[0].text
suffix = tds[1].text
level = tds[2].text
category = tds[3].text
child_url = domain + tds[0].find("a").get("href")
child_html = BeautifulSoup(requests.get(child_url, headers=dic).text, "html.parser")
a = child_html.find("div", class_="content").find_next("a")
down_url = a.get("href")
print(f'开始下载:{category}-{level}-{name}{suffix} url: {domain}{down_url}')
task = pool.submit(download, down_url, category, level, name)
task_list.append(task)
if __name__ == '__main__':
domain = "https://www.shijuan1.com/"
dic = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Firefox/68.0"
}
# 创建线程池
pool = ThreadPoolExecutor(5)
task_list = []
# 遍历10页,下载
for page in range(1, 10):
getPageList(page)
# 等待所有任务完成
concurrent.futures.wait(task_list, return_when='ALL_COMPLETED')
pool.shutdown()
print("所有任务完成,共下载{}个文件", len(task_list))
注意：自动解压（rar）需要安装`rarfile`库，另外需要安装winrar解压软件，并把UnRar.exe文件复制到C:\Windows目录，否则不会自动解压，要手动解压。
Python这库的支持真傻X，装了库竟然还得装个软件，谁能告诉我还有没有别的办法解压？？？
以上代码仅用于学习，不得非法使用，一切损失由使用者自行承担，我本人不承担任何责任。
另外，感谢第一试卷网的无私，有个免费获取试卷的渠道，大家适当使用，不要随意用爬虫攻击，珍惜当下。
