node.js极速入门课程：进入学习
【推荐学习：《nodejs 教程》】
使用readdir获取指定路径下的所有文件名
文件结构
实现代码
const fs = require('fs');fs.readdir('G:/pink_code/Node_Study/02',(err,list) => {if (!err) {console.log(list);}})登录后复制代码输出
[ '01_http-helloWorld.js', '02_使用readdir获取指定路径下的所有文件名.js', 'www' ]
登录后复制在浏览器中使用模板引擎
1. 安装art-template
npm install art-template
登录后复制2. 通过script标签引入art-template
<script src="./node_modules/art-template/lib/template-web.js"></script>
登录后复制3. 使用模板引擎语法进行调用
<script src="./node_modules/art-template/lib/template-web.js"></script><script type='text/template' id = 'tpl'>这是{{name}}</script><script>const test = template('tpl',{name: 'China'});console.log(test);</script>登录后复制在Node中使用模板引擎
1. 安装art-template
npm install art-template
登录后复制2. 在需要使用模板引擎的模块中加载art-template
3. 查文档，使用模板引擎的API
在Node中使用模板引擎的一个小案例
const template = require('art-template');const test = template.render('hello {{name}}',{name: 'NodeJs'})console.log(test);登录后复制输出结果
hello NodeJs
登录后复制一个使用模板引擎渲染HTML的小案例
HTML结构
<html dir="ltr"><head><meta charset="utf-8"><meta name="google" value="notranslate"><style>h1 {border-bottom: 1px solid #c0c0c0;margin-bottom: 10px;padding-bottom: 10px;white-space: nowrap;}table {border-collapse: collapse;}th {cursor: pointer;}td.detailsColumn {-webkit-padding-start: 2em;text-align: end;white-space: nowrap;}a.icon {-webkit-padding-start: 1.5em;text-decoration: none;user-select: auto;}a.icon:hover {text-decoration: underline;}a.file {background: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAIAAACQkWg2AAAABnRSTlMAAAAAAABupgeRAAABHUlEQVR42o2RMW7DIBiF3498iHRJD5JKHurL+CRVBp+i2T16tTynF2gO0KSb5ZrBBl4HHDBuK/WXACH4eO9/CAAAbdvijzLGNE1TVZXfZuHg6XCAQESAZXbOKaXO57eiKG6ft9PrKQIkCQqFoIiQFBGlFIB5nvM8t9aOX2Nd18oDzjnPgCDpn/BH4zh2XZdlWVmWiUK4IgCBoFMUz9eP6zRN75cLgEQhcmTQIbl72O0f9865qLAAsURAAgKBJKEtgLXWvyjLuFsThCSstb8rBCaAQhDYWgIZ7myM+TUBjDHrHlZcbMYYk34cN0YSLcgS+wL0fe9TXDMbY33fR2AYBvyQ8L0Gk8MwREBrTfKe4TpTzwhArXWi8HI84h/1DfwI5mhxJamFAAAAAElFTkSuQmCC ") left top no-repeat;}a.dir {background: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAd5JREFUeNqMU79rFUEQ/vbuodFEEkzAImBpkUabFP4ldpaJhZXYm/RiZWsv/hkWFglBUyTIgyAIIfgIRjHv3r39MePM7N3LcbxAFvZ2b2bn22/mm3XMjF+HL3YW7q28YSIw8mBKoBihhhgCsoORot9d3/ywg3YowMXwNde/PzGnk2vn6PitrT+/PGeNaecg4+qNY3D43vy16A5wDDd4Aqg/ngmrjl/GoN0U5V1QquHQG3q+TPDVhVwyBffcmQGJmSVfyZk7R3SngI4JKfwDJ2+05zIg8gbiereTZRHhJ5KCMOwDFLjhoBTn2g0ghagfKeIYJDPFyibJVBtTREwq60SpYvh5++PpwatHsxSm9QRLSQpEVSd7/TYJUb49TX7gztpjjEffnoVw66+Ytovs14Yp7HaKmUXeX9rKUoMoLNW3srqI5fWn8JejrVkK0QcrkFLOgS39yoKUQe292WJ1guUHG8K2o8K00oO1BTvXoW4yasclUTgZYJY9aFNfAThX5CZRmczAV52oAPoupHhWRIUUAOoyUIlYVaAa/VbLbyiZUiyFbjQFNwiZQSGl4IDy9sO5Wrty0QLKhdZPxmgGcDo8ejn+c/6eiK9poz15Kw7Dr/vN/z6W7q++091/AQYA5mZ8GYJ9K0AAAAAASUVORK5CYII= ") left top no-repeat;}a.up {background: url("data:image/png;base64,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 ") left top no-repeat;}html[dir=rtl] a {background-position-x: right;}#parentDirLinkBox {margin-bottom: 10px;padding-bottom: 10px;}#listingParsingErrorBox {border: 1px solid black;background: #fae691;padding: 10px;display: none;}</style><title id="title">C:\Users\HP\Desktop\共享文件\ 的索引</title></head><body><div id="listingParsingErrorBox">糟糕！Google Chrome无法解读服务器所发送的数据。请<ahref="http://code.google.com/p/chromium/issues/entry">报告错误</a>，并附上<a href="LOCATION">原始列表</a>。</div><h1 id="header">C:\Users\HP\Desktop\共享文件\ 的索引</h1><div id="parentDirLinkBox" style="display: block;"><a id="parentDirLink" class="icon up" href="/C:/Users/HP/Desktop/%E5%85%B1%E4%BA%AB%E6%96%87%E4%BB%B6/.."><span id="parentDirText">[上级目录]</span></a></div><table><thead><tr id="theader"><th id="nameColumnHeader" tabindex="0" role="button">名称</th><th id="sizeColumnHeader" tabindex="0" role="button">大小</th><th id="dateColumnHeader" tabindex="0" role="button">修改日期</th></tr></thead><tbody id="tbody">{{each files}} <tr><td data-value="{{$value}}"><a class="icon file" draggable="true" href="{{$value}}">{{$value}}</a></td><td data-value="193955">189 kB</td><td data-value="1627464963">2021/7/28 下午5:36:03</td></tr>{{/each}}</tbody></table></body></html>登录后复制Node代码
const http = require('http');const template = require('art-template');const fs = require('fs');const server = http.createServer();server.on('request', (req, res) => {const url = req.url;// 文件路径const filePath = 'G:/pink_code/Node_Study/02';// 获取文件路径下所有的文件名let listName;fs.readdir(filePath, (err, list) => {if (!err) {listName = list;}})// 读取模板文件内容fs.readFile('./www/template.html', (err, data) => {if (!err) {data = data.toString();test = template.render(data,{files: listName})res.end(test);} else {console.log('读取文件出错', err);}});})// 监听3000端口server.listen(3000, (err) => {if (!err) {console.log('服务器启动成功！');}})登录后复制实现效果
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