一行命令搞定node.js 版本升级
<p>node有一个模块叫n（这名字可够短的。。。），是专门用来管理node.js的版本的。</p><p>首先安装n模块：</p>
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<div class="line number1 index0 alt2"><code class="bash plain">npm </code><code class="bash functions">install</code> <code class="bash plain">-g n</code></div>
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<p>第二步：</p>
<p>升级node.js到最新稳定版</p>
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<div class="line number1 index0 alt2"><code class="bash plain">n stable</code></div>
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<p>是不是很简单？！</p>
<p>n后面也可以跟随版本号比如：</p>
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<div class="line number1 index0 alt2"><code class="bash plain">n v0.10.26</code></div>
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<p>或</p>
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<div class="line number1 index0 alt2"><code class="bash plain">n 0.10.26</code></div>
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<p>就这么简单，这可怎么办？？！！</p>
<p>另外分享几个npm的常用命令</p>
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<div class="line number1 index0 alt2"><code class="plain plain">npm -v #显示版本，检查npm 是否正确安装。</code></div>
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<div class="line number3 index2 alt2"><code class="plain plain">npm install express #安装express模块</code></div>
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<div class="line number5 index4 alt2"><code class="plain plain">npm install -g express #全局安装express模块</code></div>
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<div class="line number7 index6 alt2"><code class="plain plain">npm list #列出已安装模块</code></div>
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<div class="line number9 index8 alt2"><code class="plain plain">npm show express #显示模块详情</code></div>
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<div class="line number11 index10 alt2"><code class="plain plain">npm update #升级当前目录下的项目的所有模块</code></div>
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<div class="line number13 index12 alt2"><code class="plain plain">npm update express #升级当前目录下的项目的指定模块</code></div>
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<div class="line number15 index14 alt2"><code class="plain plain">npm update -g express #升级全局安装的express模块</code></div>
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<div class="line number17 index16 alt2"><code class="plain plain">npm uninstall express #删除指定的模块</code></div>
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来源：https://www.cnblogs.com/shiningrise/p/14748029.html
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