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<div class="section" id="psetex-key-milliseconds-value">
<span id="psetex"></span><h1>PSETEX key milliseconds value<a class="headerlink" href="#psetex-key-milliseconds-value" title="Permalink to this headline">¶</a></h1>
<blockquote>
<div><div class="line-block">
<div class="line">可用版本： >= 2.6.0</div>
<div class="line">时间复杂度： O(1)</div>
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<p>这个命令和 <code class="docutils literal notranslate"><span class="pre">SETEX</span></code> 命令相似，
但它以毫秒为单位设置 <code class="docutils literal notranslate"><span class="pre">key</span></code> 的生存时间，
而不是像 <code class="docutils literal notranslate"><span class="pre">SETEX</span></code> 命令那样以秒为单位进行设置。</p>
<div class="section" id="id1">
<h2>返回值<a class="headerlink" href="#id1" title="Permalink to this headline">¶</a></h2>
<p>命令在设置成功时返回 <code class="docutils literal notranslate"><span class="pre">OK</span></code> 。</p>
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<div class="section" id="id2">
<h2>代码示例<a class="headerlink" href="#id2" title="Permalink to this headline">¶</a></h2>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">redis</span><span class="o">></span> <span class="n">PSETEX</span> <span class="n">mykey</span> <span class="mi">1000</span> <span class="s2">"Hello"</span>
<span class="n">OK</span>
<span class="n">redis</span><span class="o">></span> <span class="n">PTTL</span> <span class="n">mykey</span>
<span class="p">(</span><span class="n">integer</span><span class="p">)</span> <span class="mi">999</span>
<span class="n">redis</span><span class="o">></span> <span class="n">GET</span> <span class="n">mykey</span>
<span class="s2">"Hello"</span>
</pre></div>
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