{{docContent.title}}

下载图片

下载图片的三种方式

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):