爬取京东历史图书图片并下载到本地____requests库

DefaultTest

于 2018-06-01 21:24:26 发布

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分类专栏： Python

本文链接：https://blog.youkuaiyun.com/DefaultTest/article/details/80542972

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本文介绍如何利用requests库爬取京东网站上的图书历史图片，并将其下载保存到本地。通过实例代码详细讲解了爬虫实现过程。

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code：

import requests
import re


def craw(url, page):
    # url = "https://list.jd.com/list.html?cat=1713,3258,3317"
    headers = {
        "User-Agent": "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Mobile Safari/537.36",
    }
    response = requests.get(url, headers=headers, timeout=10)
    html = response.text
    # print(html)
    urls = re.findall(
        r'<div class="p-img".*?img width="200" height="200" data-img="1" src="//(img.*?\.360buyimg.com/.*?\.jpg).*?</a>',
        html, re.S)

    x = 1
    for b_url in urls:
        p_url = "https://" + str(b_url)
        # print(b_url)
        print(p_url)
        filename = "C:/Users/XIEG2/Desktop/ll/" + str(page) +"--" + str(x) + ".jpg"
        fb = open(filename, 'wb+')
        req = requests.get(p_url)
        # print(req.encoding)
        # print(req.text)
        fb.write(req.content)  
        fb.close()
        x += 1

# 选择爬取页数
def craw_page(page):
    for i in range(1, page):
        url = "https://list.jd.com/list.html?cat=1713,3258,3317&page=" + str(i)
        craw(url, i)
craw_page(10)