图片下载器
import urllib.request
import gevent
from gevent import monkey
monkey.patch_all()
def downloader(img_url):
req = urllib.request.urlopen(img_url)
img_content = req.read()
with open(img_name,"wb") as f:
f.write(img_content)
def main():
gevent.joinall([
gevent.spawn(downloader,"3.jpg","https://img.91xinshang.com/goods/20190623/8155cc467e6b489ba367bf8118489ff4_s1.jpg"),
gevent.spawn(downloader,"4.jpg","https://img.91xinshang.com/goods//20190219//d8e43644397644348bfbadade6200ea6_s1.jpg")
])
if __name__ == "__main__":
main()