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<title>RPOP — Redis 命令参考</title>
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<span id="id1"></span><h1>RPOP<a class="headerlink" href="#rpop" title="Permalink to this headline">¶</a></h1>
<p><strong>RPOP key</strong></p>
<p>移除并返回列表 <code class="docutils literal"><span class="pre">key</span></code> 的尾元素。</p>
<dl class="docutils">
<dt><strong>可用版本：</strong></dt>
<dd>>= 1.0.0</dd>
<dt><strong>时间复杂度：</strong></dt>
<dd>O(1)</dd>
<dt><strong>返回值：</strong></dt>
<dd><div class="first last line-block">
<div class="line">列表的尾元素。</div>
<div class="line">当 <code class="docutils literal"><span class="pre">key</span></code> 不存在时，返回 <code class="docutils literal"><span class="pre">nil</span></code> 。</div>
</div>
</dd>
</dl>
<div class="highlight-python"><div class="highlight"><pre>redis> RPUSH mylist "one"
(integer) 1
redis> RPUSH mylist "two"
(integer) 2
redis> RPUSH mylist "three"
(integer) 3
redis> RPOP mylist # 返回被弹出的元素
"three"
redis> LRANGE mylist 0 -1 # 列表剩下的元素
1) "one"
2) "two"
</pre></div>
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