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        <title>Scrapy - 标签 - 招财猫的部落格</title>
        <link>https://blog.besty.day/tags/scrapy/</link>
        <description>Scrapy - 标签 - 招财猫的部落格</description>
        <generator>Hugo -- gohugo.io</generator><language>zh-CN</language><lastBuildDate>Mon, 04 Nov 2019 17:49:51 &#43;0800</lastBuildDate><atom:link href="https://blog.besty.day/tags/scrapy/" rel="self" type="application/rss+xml" /><item>
    <title>Scrapy爬虫基础</title>
    <link>https://blog.besty.day/posts/2019/11/scrapy-fundamental/</link>
    <pubDate>Mon, 04 Nov 2019 17:49:51 &#43;0800</pubDate>
    <author>招财猫</author>
    <guid>https://blog.besty.day/posts/2019/11/scrapy-fundamental/</guid>
    <description><![CDATA[<h2 id="安装scrapy">安装Scrapy</h2>
<p>推荐virtualenv安装，步骤如下：</p>
<ol>
<li>如果没有virtualenv，先安装virtualenv</li>
</ol>
<div class="code-block code-line-numbers open" style="counter-reset: code-block 0">
    <div class="code-header language-bash">
        <span class="code-title"><i class="arrow fas fa-angle-right" aria-hidden="true"></i></span>
        <span class="ellipses"><i class="fas fa-ellipsis-h" aria-hidden="true"></i></span>
        <span class="copy" title="复制到剪贴板"><i class="far fa-copy" aria-hidden="true"></i></span>
    </div><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">sudo pip3 install virtualenv</span></span></code></pre></div></div>
<ol start="2">
<li>创建一个virtualenv环境</li>
</ol>
<div class="code-block code-line-numbers open" style="counter-reset: code-block 0">
    <div class="code-header language-bash">
        <span class="code-title"><i class="arrow fas fa-angle-right" aria-hidden="true"></i></span>
        <span class="ellipses"><i class="fas fa-ellipsis-h" aria-hidden="true"></i></span>
        <span class="copy" title="复制到剪贴板"><i class="far fa-copy" aria-hidden="true"></i></span>
    </div><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">virtualenv --no-site-packages scrapy</span></span></code></pre></div></div>
<ol start="3">
<li>进入目录，激活virtualenv环境</li>
</ol>
<div class="code-block code-line-numbers open" style="counter-reset: code-block 0">
    <div class="code-header language-bash">
        <span class="code-title"><i class="arrow fas fa-angle-right" aria-hidden="true"></i></span>
        <span class="ellipses"><i class="fas fa-ellipsis-h" aria-hidden="true"></i></span>
        <span class="copy" title="复制到剪贴板"><i class="far fa-copy" aria-hidden="true"></i></span>
    </div><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="nb">source</span> bin/activate</span></span></code></pre></div></div>
<ol start="4">
<li>安装Scrapy</li>
</ol>
<div class="code-block code-line-numbers open" style="counter-reset: code-block 0">
    <div class="code-header language-bash">
        <span class="code-title"><i class="arrow fas fa-angle-right" aria-hidden="true"></i></span>
        <span class="ellipses"><i class="fas fa-ellipsis-h" aria-hidden="true"></i></span>
        <span class="copy" title="复制到剪贴板"><i class="far fa-copy" aria-hidden="true"></i></span>
    </div><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">pip install Scrapy</span></span></code></pre></div></div>
<h2 id="爬虫基本流程">爬虫基本流程</h2>
<p></p>]]></description>
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