Python 爬虫 爬照片练习

  • Z时代
  • 2024-01-10
  • 分类：综合

python

本次爬的照片网址为：http://image.baidu.com/search/index?tn=baiduimage&ps=1&ct=201326592&lm=-1&cl=2&nc=1&ie=utf-8&word=%E6%9D%A8%E5%B9%82

进去后，F12进入开发人员选项，笔者用的是Chrome。

右键所选图片>>检查  在弹出的控制台中找到所需照片的url

然后开始编写代码一步一步的测试往前走

python;gutter:true;">import requests as r
import os
from lxml import etree
#保存的文件名
folder = \'ym_img.jpg\'
#爬取的地址
url = \'http://image.baidu.com/search/detail?ct=503316480&z=0&ipn=false&word=%E6%9D%A8%E5%B9%82&step_word=&hs=0&pn=0&spn=0&di=155870&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=1587868577%2C2503777591&os=3415000385%2C72811486&simid=3344418590%2C75758866&adpicid=0&lpn=0&ln=3884&fr=&fmq=1591432458743_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=&height=&face=undefined&ist=&jit=&cg=star&bdtype=0&oriquery=&objurl=http%3A%2F%2Fimage14.m1905.cn%2Fuploadfile%2F2016%2F0830%2F20160830093355110835.jpg&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3B8lac_z%26e3Bv54AzdH3FgjofAzdH3Fda8mabnaAzdH3F8a089mm_z%26e3Bfip4s%3Fu6%3Dooofpw6_gjof_x2xo_9_da898a80&gsm=1&rpstart=0&rpnum=0&islist=&querylist=\'
#模拟浏览器
header = \
    {\'User-Agent\':\'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36\'}
#获取网页源码
response = r.get(url,headers=header)
html = etree.HTML(response.text)
srctext = html.xpath(\'//*[@id="currentImg"]/@src\')[0]
print(srctext)
data = r.get(srctext)
with open(folder,\'wb\') as img:
    r.get(srctext)
    with r.get(url, stream=True) as resp:
        with open(\'demo.jpg\', \'wb\') as fd:
            for chunk in resp.iter_content():
                fd.write(chunk)
    print(resp.request.headers)
    print(resp.status_code)

　　

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