python爬虫学习笔记（二）

akimegumi

于 2018-11-06 19:50:03 发布

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分类专栏：爬虫

本文链接：https://blog.youkuaiyun.com/akimegumi/article/details/83793108

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import requests
import os
url = 'https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1541514' \
      '667590&di=44f4252c52f09f5b3ed2ab76fe0a4150&imgtype=0&src=http' \
      '%3A%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F71347a8f8c50a733a6e500476' \
      'd61a4d86dae1765.jpg'
#代码过长，空格反斜杠换行
root = "C:/Users/10699/Desktop/pic_of_python_get/"
#在目录后面加一个斜杠
#path = root + url.split('/')[-1]
path=root+'megumi.jpg'
try:
    if not os.path.exists(root):
        os.mkdir(root)#目录不存在的时候建立它
    if not os.path.exists(path):
        r = requests.get(url)
        with open(path, 'wb') as f:
            f.write(r.content)
            f.close()
            print("文件保存成功")
    else:
        print("文件已经存在")
except:
    print("爬取失败")