node.js--安装node环境并通过node运行js文件
<p><strong>去官网下载：https://nodejs.org/en/</strong></p><p><strong><img src="https://img2020.cnblogs.com/blog/1423899/202004/1423899-20200412092516077-1112794905.png"></strong></p>
<p><span style="color: rgba(128, 128, 128, 1)"><strong>// 安装过程是，一直“next”。</strong></span></p>
<p><strong>-安装过程</strong></p>
<p><strong>双击在官网下载的文件</strong></p>
<p><strong><img src="https://img2020.cnblogs.com/blog/1423899/202004/1423899-20200412092619855-541977180.png"></strong></p>
<p><strong>点击“Next”</strong></p>
<p><strong><img src="https://img2020.cnblogs.com/blog/1423899/202004/1423899-20200412092905929-459992676.png"></strong></p>
<p><strong> 勾选“I agree...”，点击“Next”</strong></p>
<p><strong><img src="https://img2020.cnblogs.com/blog/1423899/202004/1423899-20200412092959860-37993065.png"></strong></p>
<p><strong>修改安装路径，在Folder name中填入你要安装node的路径</strong></p>
<p><strong><img src="https://img2020.cnblogs.com/blog/1423899/202004/1423899-20200412093247935-10566723.png"></strong></p>
<p><strong> 点击“Next”</strong></p>
<p><strong><img src="https://img2020.cnblogs.com/blog/1423899/202004/1423899-20200412093502348-1825913419.png"></strong></p>
<p><strong> 点击“Next”</strong></p>
<p><strong><img src="https://img2020.cnblogs.com/blog/1423899/202004/1423899-20200412093535270-1409257364.png"></strong></p>
<p><strong> 点击“install”</strong></p>
<p><strong><img src="https://img2020.cnblogs.com/blog/1423899/202004/1423899-20200412093607503-168495862.png"></strong></p>
<p><strong> 等待安装完成</strong></p>
<p><strong><img src="https://img2020.cnblogs.com/blog/1423899/202004/1423899-20200412093643503-1680147186.png"></strong></p>
<p><strong> 最后点击“Finish”即可。</strong></p>
<p><strong><img src="https://img2020.cnblogs.com/blog/1423899/202004/1423899-20200412093723057-1788171065.png"></strong></p>
<p><strong> 打开“cmd”命令行，输入 node --version ，由版本号输出，证明安装成功</strong></p>
<p><strong><img src="https://img2020.cnblogs.com/blog/1423899/202004/1423899-20200412094101070-876840305.png"></strong></p>
<p><span style="background-color: rgba(255, 255, 153, 1)"><strong> 安装Node.js淘宝镜像加速器（cnpm）</strong></span></p>
<p><strong>npm install cnpm -g</strong></p>
<p><strong># -g 就是全局安装</strong></p>
<p>---------------------------------------------------</p>
<p><span style="background-color: rgba(255, 255, 0, 1)"><strong>执行js文件</strong></span></p>
<p><strong>-创建文件夹“node”,在文件夹内创建编写Javascript脚本文件</strong></p>
<p><strong><img src="https://img2020.cnblogs.com/blog/1423899/202004/1423899-20200412100507343-483578830.png"></strong></p>
<p><strong>-在js所在目录下，按住“shift” ，右击，选择“在此处打开Powershell窗口(S)”，即可打开当前路径的命令行空间</strong></p>
<p><strong><img src="https://img2020.cnblogs.com/blog/1423899/202004/1423899-20200412095246690-317550655.png"></strong></p>
<p><strong> -在命令行输入 node t.js ,执行对应js文件。这里的t.js是js文件，注意不要使用node作为文件名。</strong></p>
<p><strong><img src="https://img2020.cnblogs.com/blog/1423899/202004/1423899-20200412100620987-750004947.png"></strong></p>
<p> </p><br><br>
来源：https://www.cnblogs.com/technicist/p/12683787.html
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