import os
os.makedirs('./image/', exist_ok=True)
IMAGE_URL = "http://image.nationalgeographic.com.cn/2017/1122/20171122113404332.jpg"
def urllib_download():
from urllib.request import urlretrieve
urlretrieve(IMAGE_URL, './image/img1.png')
def request_download():
import requests
r = requests.get(IMAGE_URL)
with open('./image/img2.png', 'wb') as f:
f.write(r.content)
def chunk_download():
import requests
r = requests.get(IMAGE_URL, stream=True)
with open('./image/img3.png', 'wb') as f:
for chunk in r.iter_content(chunk_size=32):
f.write(chunk)
urllib_download()
print('download img1')
request_download()
print('download img2')
chunk_download()
print('download img3')
============================第二類========================================
import requests import os url = "https://ss0.bdstatic.com/5aV1bjqh_Q23odCf/static/superman/img/logo/bd_logo1_31bdc765.png" root = "F://python//" path = root + url.split("/")[-1] try: if not os.path.exists(root): os.mkdir(root) if not os.path.exists(path): r = requests.get(url) r.raise_for_status() #使用with語句可以不用自己手動關閉已經打開的文件流 with open(path,"wb") as f: #開始寫文件，wb代表寫二進制文件 f.write(r.content) print("爬取完成") else: print("文件已存在") except Exception as e: print("爬取失敗:"+str(e))
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作者：我要七龍ru
來源：CSDN
原文：https://blog.csdn.net/a735311619/article/details/77488576?utm_source=copy
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