前言
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本次目标
爬取娟娟壁纸网的图片
受难者地址
<code><span class="hljs-attribute">http:<span class="hljs-comment">//<a href="https://www.gaodaima.com/tag/www" title="查看更多关于www的文章" target="_blank">www</a>.jj20.<a href="https://www.gaodaima.com/tag/com" title="查看更多关于com的文章" target="_blank">com</a>/</span></span></code>
www#gaodaima.com来源gaodai.ma#com搞#代!码网搞代码
环境
Python3.6
pycharm
爬虫代码
导入工具
<span><a href="https://www.gaodaima.com/tag/import" title="查看更多关于import的文章" target="_blank">import</a></span><span> requests </span><span>import</span> parsel
请求头
headers =<span> { </span><span>"</span><span>User-Agent</span><span>"</span>: <span>"</span><span>Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36</span><span>"</span><span> }</span>
解析目标网站的数据
<span>for</span> page <span>in</span> range(1, 17<span>): url </span>= <span>"</span><span>http://www.jj20.com/bz/ktmh/list_16_cc_14_{}.html</span><span>"</span><span>.format(page) response </span>= requests.get(url=url, headers=<span>headers) selector </span>=<span> parsel.Selector(response.text) lis </span>= selector.css(<span>"</span><span>body > div:nth-child(7) > ul li</span><span>"</span><span>) </span><span>for</span> li <span>in</span><span> lis: page_url </span>= <span>"</span><span>http://www.jj20.com/</span><span>"</span> + li.css(<span>"</span><span>a:nth-child(1)::attr(href)</span><span>"</span><span>).get() title </span>= li.css(<span>"</span><span>a:nth-child(1) img::attr(alt)</span><span>"</span><span>).get() get_img(page_url, title)</span>
保存数据
<span>def</span><span> download(img_url, img_title): path </span>= <span>"</span><span>保存地址</span><span>"</span> + title + <span>"</span><span>.jpg</span><span>"</span><span> response </span>= requests.get(url=img_url, headers=<span>headers) with open(path, mode</span>=<span>"</span><span>wb</span><span>"</span><span>) as f: f.write(response.content) </span><span>print</span>(img_url, img_title)
运行结果