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python爬取单张图片

Python 有客 442浏览
import requests
import os
url = d_zhan_fabu_pic;
root = "G:/python/img/";
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语句可以不用自己手动关闭已经打开的文件流
        with open(path,"wb") as f: #开始写文件,wb代表写二进制文件
            f.write(r.content)
        print("爬取完成")
    else:
        print("文件已存在")
except Exception as e:
    print("爬取失败:"+str(e))

print(path)

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