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python-pyquery.html
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<h3 id="初始化"><a href="#初始化" class="headerlink" title="初始化"></a>初始化</h3><h4 id="字符串初始化"><a href="#字符串初始化" class="headerlink" title="字符串初始化"></a>字符串初始化</h4><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div></span></span><br><span class="line"><span class="string"> <ul></span></span><br><span class="line"><span class="string"> <li class="item-0">first item</li></span></span><br><span class="line"><span class="string"> <li class="item-1"><a href="link2.html">second item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li></span></span><br><span class="line"><span class="string"> <li class="item-1 active"><a href="link4.html">fourth item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0"><a href="link5.html">fifth item</a></li></span></span><br><span class="line"><span class="string"> </ul></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">print(doc(<span class="string">'li'</span>))</span><br></pre></td></tr></table></figure>
<pre><code><li class="item-0">first item</li>
<li class="item-1"><a href="link2.html">second item</a></li>
<li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-1 active"><a href="link4.html">fourth item</a></li>
<li class="item-0"><a href="link5.html">fifth item</a></li>
</code></pre><h4 id="URL初始化"><a href="#URL初始化" class="headerlink" title="URL初始化"></a>URL初始化</h4><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(url=<span class="string">'http://www.baidu.com'</span>)</span><br><span class="line">print(doc(<span class="string">'head'</span>))</span><br></pre></td></tr></table></figure>
<pre><code><head><meta http-equiv="content-type" content="text/html;charset=utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=Edge"/><meta content="always" name="referrer"/><link rel="stylesheet" type="text/css" href="http://s1.bdstatic.com/r/www/cache/bdorz/baidu.min.css"/><title>ç¾åº¦ä¸ä¸ï¼ä½ å°±ç¥é</title></head>
</code></pre><h4 id="文本初始化"><a href="#文本初始化" class="headerlink" title="文本初始化"></a>文本初始化</h4><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(filename=<span class="string">'demo.html'</span>)</span><br><span class="line">print(doc(<span class="string">'li'</span>))</span><br></pre></td></tr></table></figure>
<pre><code><li class="item-0">first item</li>
<li class="item-1"><a href="link2.html">second item</a></li>
<li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-1 active"><a href="link4.html">fourth item</a></li>
<li class="item-0"><a href="link5.html">fifth item</a></li>
</code></pre><h3 id="基本CSS选择器"><a href="#基本CSS选择器" class="headerlink" title="基本CSS选择器"></a>基本CSS选择器</h3><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div id="container"></span></span><br><span class="line"><span class="string"> <ul class="list"></span></span><br><span class="line"><span class="string"> <li class="item-0">first item</li></span></span><br><span class="line"><span class="string"> <li class="item-1"><a href="link2.html">second item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li></span></span><br><span class="line"><span class="string"> <li class="item-1 active"><a href="link4.html">fourth item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0"><a href="link5.html">fifth item</a></li></span></span><br><span class="line"><span class="string"> </ul></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">print(doc(<span class="string">'#container .list li'</span>))</span><br></pre></td></tr></table></figure>
<pre><code><li class="item-0">first item</li>
<li class="item-1"><a href="link2.html">second item</a></li>
<li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-1 active"><a href="link4.html">fourth item</a></li>
<li class="item-0"><a href="link5.html">fifth item</a></li>
</code></pre><h3 id="查找元素"><a href="#查找元素" class="headerlink" title="查找元素"></a>查找元素</h3><h4 id="子元素"><a href="#子元素" class="headerlink" title="子元素"></a>子元素</h4><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div id="container"></span></span><br><span class="line"><span class="string"> <ul class="list"></span></span><br><span class="line"><span class="string"> <li class="item-0">first item</li></span></span><br><span class="line"><span class="string"> <li class="item-1"><a href="link2.html">second item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li></span></span><br><span class="line"><span class="string"> <li class="item-1 active"><a href="link4.html">fourth item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0"><a href="link5.html">fifth item</a></li></span></span><br><span class="line"><span class="string"> </ul></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">items = doc(<span class="string">'.list'</span>)</span><br><span class="line">print(type(items))</span><br><span class="line">print(items)</span><br><span class="line">lis = items.find(<span class="string">'li'</span>)</span><br><span class="line">print(type(lis))</span><br><span class="line">print(lis)</span><br></pre></td></tr></table></figure>
<pre><code><class 'pyquery.pyquery.PyQuery'>
<ul class="list">
<li class="item-0">first item</li>
<li class="item-1"><a href="link2.html">second item</a></li>
<li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-1 active"><a href="link4.html">fourth item</a></li>
<li class="item-0"><a href="link5.html">fifth item</a></li>
</ul>
<class 'pyquery.pyquery.PyQuery'>
<li class="item-0">first item</li>
<li class="item-1"><a href="link2.html">second item</a></li>
<li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-1 active"><a href="link4.html">fourth item</a></li>
<li class="item-0"><a href="link5.html">fifth item</a></li>
</code></pre><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">lis = items.children()</span><br><span class="line">print(type(lis))</span><br><span class="line">print(lis)</span><br></pre></td></tr></table></figure>
<pre><code><class 'pyquery.pyquery.PyQuery'>
<li class="item-0">first item</li>
<li class="item-1"><a href="link2.html">second item</a></li>
<li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-1 active"><a href="link4.html">fourth item</a></li>
<li class="item-0"><a href="link5.html">fifth item</a></li>
</code></pre><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">lis = items.children(<span class="string">'.active'</span>)</span><br><span class="line">print(lis)</span><br></pre></td></tr></table></figure>
<pre><code><li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-1 active"><a href="link4.html">fourth item</a></li>
</code></pre><h4 id="父元素"><a href="#父元素" class="headerlink" title="父元素"></a>父元素</h4><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div id="container"></span></span><br><span class="line"><span class="string"> <ul class="list"></span></span><br><span class="line"><span class="string"> <li class="item-0">first item</li></span></span><br><span class="line"><span class="string"> <li class="item-1"><a href="link2.html">second item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li></span></span><br><span class="line"><span class="string"> <li class="item-1 active"><a href="link4.html">fourth item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0"><a href="link5.html">fifth item</a></li></span></span><br><span class="line"><span class="string"> </ul></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">items = doc(<span class="string">'.list'</span>)</span><br><span class="line">container = items.parent()</span><br><span class="line">print(type(container))</span><br><span class="line">print(container)</span><br></pre></td></tr></table></figure>
<pre><code><class 'pyquery.pyquery.PyQuery'>
<div id="container">
<ul class="list">
<li class="item-0">first item</li>
<li class="item-1"><a href="link2.html">second item</a></li>
<li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-1 active"><a href="link4.html">fourth item</a></li>
<li class="item-0"><a href="link5.html">fifth item</a></li>
</ul>
</div>
</code></pre><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div class="wrap"></span></span><br><span class="line"><span class="string"> <div id="container"></span></span><br><span class="line"><span class="string"> <ul class="list"></span></span><br><span class="line"><span class="string"> <li class="item-0">first item</li></span></span><br><span class="line"><span class="string"> <li class="item-1"><a href="link2.html">second item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li></span></span><br><span class="line"><span class="string"> <li class="item-1 active"><a href="link4.html">fourth item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0"><a href="link5.html">fifth item</a></li></span></span><br><span class="line"><span class="string"> </ul></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">items = doc(<span class="string">'.list'</span>)</span><br><span class="line">parents = items.parents()</span><br><span class="line">print(type(parents))</span><br><span class="line">print(parents)</span><br></pre></td></tr></table></figure>
<pre><code><class 'pyquery.pyquery.PyQuery'>
<div class="wrap">
<div id="container">
<ul class="list">
<li class="item-0">first item</li>
<li class="item-1"><a href="link2.html">second item</a></li>
<li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-1 active"><a href="link4.html">fourth item</a></li>
<li class="item-0"><a href="link5.html">fifth item</a></li>
</ul>
</div>
</div><div id="container">
<ul class="list">
<li class="item-0">first item</li>
<li class="item-1"><a href="link2.html">second item</a></li>
<li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-1 active"><a href="link4.html">fourth item</a></li>
<li class="item-0"><a href="link5.html">fifth item</a></li>
</ul>
</div>
</code></pre><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">parent = items.parents(<span class="string">'.wrap'</span>)</span><br><span class="line">print(parent)</span><br></pre></td></tr></table></figure>
<pre><code><div class="wrap">
<div id="container">
<ul class="list">
<li class="item-0">first item</li>
<li class="item-1"><a href="link2.html">second item</a></li>
<li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-1 active"><a href="link4.html">fourth item</a></li>
<li class="item-0"><a href="link5.html">fifth item</a></li>
</ul>
</div>
</div>
</code></pre><h4 id="兄弟元素"><a href="#兄弟元素" class="headerlink" title="兄弟元素"></a>兄弟元素</h4><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div class="wrap"></span></span><br><span class="line"><span class="string"> <div id="container"></span></span><br><span class="line"><span class="string"> <ul class="list"></span></span><br><span class="line"><span class="string"> <li class="item-0">first item</li></span></span><br><span class="line"><span class="string"> <li class="item-1"><a href="link2.html">second item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li></span></span><br><span class="line"><span class="string"> <li class="item-1 active"><a href="link4.html">fourth item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0"><a href="link5.html">fifth item</a></li></span></span><br><span class="line"><span class="string"> </ul></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">li = doc(<span class="string">'.list .item-0.active'</span>)</span><br><span class="line">print(li.siblings())</span><br></pre></td></tr></table></figure>
<pre><code><li class="item-1"><a href="link2.html">second item</a></li>
<li class="item-0">first item</li>
<li class="item-1 active"><a href="link4.html">fourth item</a></li>
<li class="item-0"><a href="link5.html">fifth item</a></li>
</code></pre><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div class="wrap"></span></span><br><span class="line"><span class="string"> <div id="container"></span></span><br><span class="line"><span class="string"> <ul class="list"></span></span><br><span class="line"><span class="string"> <li class="item-0">first item</li></span></span><br><span class="line"><span class="string"> <li class="item-1"><a href="link2.html">second item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li></span></span><br><span class="line"><span class="string"> <li class="item-1 active"><a href="link4.html">fourth item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0"><a href="link5.html">fifth item</a></li></span></span><br><span class="line"><span class="string"> </ul></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">li = doc(<span class="string">'.list .item-0.active'</span>)</span><br><span class="line">print(li.siblings(<span class="string">'.active'</span>))</span><br></pre></td></tr></table></figure>
<pre><code><li class="item-1 active"><a href="link4.html">fourth item</a></li>
</code></pre><h3 id="遍历"><a href="#遍历" class="headerlink" title="遍历"></a>遍历</h3><h4 id="单个元素"><a href="#单个元素" class="headerlink" title="单个元素"></a>单个元素</h4><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div class="wrap"></span></span><br><span class="line"><span class="string"> <div id="container"></span></span><br><span class="line"><span class="string"> <ul class="list"></span></span><br><span class="line"><span class="string"> <li class="item-0">first item</li></span></span><br><span class="line"><span class="string"> <li class="item-1"><a href="link2.html">second item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li></span></span><br><span class="line"><span class="string"> <li class="item-1 active"><a href="link4.html">fourth item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0"><a href="link5.html">fifth item</a></li></span></span><br><span class="line"><span class="string"> </ul></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">li = doc(<span class="string">'.item-0.active'</span>)</span><br><span class="line">print(li)</span><br></pre></td></tr></table></figure>
<pre><code><li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
</code></pre><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div class="wrap"></span></span><br><span class="line"><span class="string"> <div id="container"></span></span><br><span class="line"><span class="string"> <ul class="list"></span></span><br><span class="line"><span class="string"> <li class="item-0">first item</li></span></span><br><span class="line"><span class="string"> <li class="item-1"><a href="link2.html">second item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li></span></span><br><span class="line"><span class="string"> <li class="item-1 active"><a href="link4.html">fourth item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0"><a href="link5.html">fifth item</a></li></span></span><br><span class="line"><span class="string"> </ul></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">lis = doc(<span class="string">'li'</span>).items()</span><br><span class="line">print(type(lis))</span><br><span class="line"><span class="keyword">for</span> li <span class="keyword">in</span> lis:</span><br><span class="line"> print(li)</span><br></pre></td></tr></table></figure>
<pre><code><class 'generator'>
<li class="item-0">first item</li>
<li class="item-1"><a href="link2.html">second item</a></li>
<li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-1 active"><a href="link4.html">fourth item</a></li>
<li class="item-0"><a href="link5.html">fifth item</a></li>
</code></pre><h3 id="获取信息"><a href="#获取信息" class="headerlink" title="获取信息"></a>获取信息</h3><h4 id="获取属性"><a href="#获取属性" class="headerlink" title="获取属性"></a>获取属性</h4><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div class="wrap"></span></span><br><span class="line"><span class="string"> <div id="container"></span></span><br><span class="line"><span class="string"> <ul class="list"></span></span><br><span class="line"><span class="string"> <li class="item-0">first item</li></span></span><br><span class="line"><span class="string"> <li class="item-1"><a href="link2.html">second item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li></span></span><br><span class="line"><span class="string"> <li class="item-1 active"><a href="link4.html">fourth item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0"><a href="link5.html">fifth item</a></li></span></span><br><span class="line"><span class="string"> </ul></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">a = doc(<span class="string">'.item-0.active a'</span>)</span><br><span class="line">print(a)</span><br><span class="line">print(a.attr(<span class="string">'href'</span>))</span><br><span class="line">print(a.attr.href)</span><br></pre></td></tr></table></figure>
<pre><code><a href="link3.html"><span class="bold">third item</span></a>
link3.html
link3.html
</code></pre><h4 id="获取文本"><a href="#获取文本" class="headerlink" title="获取文本"></a>获取文本</h4><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div class="wrap"></span></span><br><span class="line"><span class="string"> <div id="container"></span></span><br><span class="line"><span class="string"> <ul class="list"></span></span><br><span class="line"><span class="string"> <li class="item-0">first item</li></span></span><br><span class="line"><span class="string"> <li class="item-1"><a href="link2.html">second item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li></span></span><br><span class="line"><span class="string"> <li class="item-1 active"><a href="link4.html">fourth item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0"><a href="link5.html">fifth item</a></li></span></span><br><span class="line"><span class="string"> </ul></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">a = doc(<span class="string">'.item-0.active a'</span>)</span><br><span class="line">print(a)</span><br><span class="line">print(a.text())</span><br></pre></td></tr></table></figure>
<pre><code><a href="link3.html"><span class="bold">third item</span></a>
third item
</code></pre><h4 id="获取HTML"><a href="#获取HTML" class="headerlink" title="获取HTML"></a>获取HTML</h4><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div class="wrap"></span></span><br><span class="line"><span class="string"> <div id="container"></span></span><br><span class="line"><span class="string"> <ul class="list"></span></span><br><span class="line"><span class="string"> <li class="item-0">first item</li></span></span><br><span class="line"><span class="string"> <li class="item-1"><a href="link2.html">second item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li></span></span><br><span class="line"><span class="string"> <li class="item-1 active"><a href="link4.html">fourth item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0"><a href="link5.html">fifth item</a></li></span></span><br><span class="line"><span class="string"> </ul></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">li = doc(<span class="string">'.item-0.active'</span>)</span><br><span class="line">print(li)</span><br><span class="line">print(li.html())</span><br></pre></td></tr></table></figure>
<pre><code><li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
<a href="link3.html"><span class="bold">third item</span></a>
</code></pre><h3 id="DOM-操作"><a href="#DOM-操作" class="headerlink" title="DOM 操作"></a>DOM 操作</h3><h4 id="addClass-removeClass"><a href="#addClass-removeClass" class="headerlink" title="addClass removeClass"></a>addClass removeClass</h4><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div class="wrap"></span></span><br><span class="line"><span class="string"> <div id="container"></span></span><br><span class="line"><span class="string"> <ul class="list"></span></span><br><span class="line"><span class="string"> <li class="item-0">first item</li></span></span><br><span class="line"><span class="string"> <li class="item-1"><a href="link2.html">second item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li></span></span><br><span class="line"><span class="string"> <li class="item-1 active"><a href="link4.html">fourth item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0"><a href="link5.html">fifth item</a></li></span></span><br><span class="line"><span class="string"> </ul></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">li = doc(<span class="string">'.item-0.active'</span>)</span><br><span class="line">print(li)</span><br><span class="line">li.removeClass(<span class="string">'active'</span>)</span><br><span class="line">print(li)</span><br><span class="line">li.addClass(<span class="string">'active'</span>)</span><br><span class="line">print(li)</span><br></pre></td></tr></table></figure>
<pre><code><li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-0"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
</code></pre><h4 id="attr-css"><a href="#attr-css" class="headerlink" title="attr css"></a>attr css</h4><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div class="wrap"></span></span><br><span class="line"><span class="string"> <div id="container"></span></span><br><span class="line"><span class="string"> <ul class="list"></span></span><br><span class="line"><span class="string"> <li class="item-0">first item</li></span></span><br><span class="line"><span class="string"> <li class="item-1"><a href="link2.html">second item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li></span></span><br><span class="line"><span class="string"> <li class="item-1 active"><a href="link4.html">fourth item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0"><a href="link5.html">fifth item</a></li></span></span><br><span class="line"><span class="string"> </ul></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">li = doc(<span class="string">'.item-0.active'</span>)</span><br><span class="line">print(li)</span><br><span class="line">li.attr(<span class="string">'name'</span>, <span class="string">'link'</span>)</span><br><span class="line">print(li)</span><br><span class="line">li.css(<span class="string">'font-size'</span>, <span class="string">'14px'</span>)</span><br><span class="line">print(li)</span><br></pre></td></tr></table></figure>
<pre><code><li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-0 active" name="link"><a href="link3.html"><span class="bold">third item</span></a></li>
<li class="item-0 active" name="link" style="font-size: 14px"><a href="link3.html"><span class="bold">third item</span></a></li>
</code></pre><h4 id="remove"><a href="#remove" class="headerlink" title="remove"></a>remove</h4><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div class="wrap"></span></span><br><span class="line"><span class="string"> Hello, World</span></span><br><span class="line"><span class="string"> <p>This is a paragraph.</p></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">wrap = doc(<span class="string">'.wrap'</span>)</span><br><span class="line">print(wrap.text())</span><br><span class="line">wrap.find(<span class="string">'p'</span>).remove()</span><br><span class="line">print(wrap.text())</span><br></pre></td></tr></table></figure>
<pre><code>Hello, World This is a paragraph.
Hello, World
</code></pre><h3 id="伪类选择器"><a href="#伪类选择器" class="headerlink" title="伪类选择器"></a>伪类选择器</h3><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br></pre></td><td class="code"><pre><span class="line">html = <span class="string">'''</span></span><br><span class="line"><span class="string"><div class="wrap"></span></span><br><span class="line"><span class="string"> <div id="container"></span></span><br><span class="line"><span class="string"> <ul class="list"></span></span><br><span class="line"><span class="string"> <li class="item-0">first item</li></span></span><br><span class="line"><span class="string"> <li class="item-1"><a href="link2.html">second item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0 active"><a href="link3.html"><span class="bold">third item</span></a></li></span></span><br><span class="line"><span class="string"> <li class="item-1 active"><a href="link4.html">fourth item</a></li></span></span><br><span class="line"><span class="string"> <li class="item-0"><a href="link5.html">fifth item</a></li></span></span><br><span class="line"><span class="string"> </ul></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string"> </div></span></span><br><span class="line"><span class="string">'''</span></span><br><span class="line"><span class="keyword">from</span> pyquery <span class="keyword">import</span> PyQuery <span class="keyword">as</span> pq</span><br><span class="line">doc = pq(html)</span><br><span class="line">li = doc(<span class="string">'li:first-child'</span>)</span><br><span class="line">print(li)</span><br><span class="line">li = doc(<span class="string">'li:last-child'</span>)</span><br><span class="line">print(li)</span><br><span class="line">li = doc(<span class="string">'li:nth-child(2)'</span>)</span><br><span class="line">print(li)</span><br><span class="line">li = doc(<span class="string">'li:gt(2)'</span>)</span><br><span class="line">print(li)</span><br><span class="line">li = doc(<span class="string">'li:nth-child(2n)'</span>)</span><br><span class="line">print(li)</span><br><span class="line">li = doc(<span class="string">'li:contains(second)'</span>)</span><br><span class="line">print(li)</span><br></pre></td></tr></table></figure>
<pre><code><li class="item-0">first item</li>
<li class="item-0"><a href="link5.html">fifth item</a></li>
<li class="item-1"><a href="link2.html">second item</a></li>
<li class="item-1 active"><a href="link4.html">fourth item</a></li>
<li class="item-0"><a href="link5.html">fifth item</a></li>
<li class="item-1"><a href="link2.html">second item</a></li>
<li class="item-1 active"><a href="link4.html">fourth item</a></li>
<li class="item-1"><a href="link2.html">second item</a></li>
</code></pre><h3 id="更多"><a href="#更多" class="headerlink" title="更多"></a>更多</h3><p><a href="http://pyquery.readthedocs.io/en/latest/api.html" target="_blank" rel="noopener">其他DOM方法</a></p>
<p><a href="http://www.w3school.com.cn/css/index.asp" target="_blank" rel="noopener">更多CSS选择器使用方法</a></p>
<p><a href="http://pyquery.readthedocs.io/" target="_blank" rel="noopener">官方文档</a></p>
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<p>Author：<a href="https://ddgth.github.io">Dongdong Tong</a>
</p><p>原文链接：<a href="https://ddgth.github.io/python-pyquery.html">https://ddgth.github.io/python-pyquery.html</a>
</p><p>发表日期：<a href="https://ddgth.github.io/python-pyquery.html">May 31st 2019, 12:27:21 pm</a>
</p><p>更新日期：<a href="https://ddgth.github.io/python-pyquery.html">May 31st 2019, 4:16:04 pm</a>
</p><p>版权声明：本文采用<a rel="license" href="http://creativecommons.org/licenses/by-nc/4.0/">知识共享署名-非商业性使用 4.0 国际许可协议</a>进行许可</p>
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