【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); } })
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' ]
在浏览器中使用模板引擎
1. 安装art-template
npm install art-template
2. 通过script标签引入art-template
<script src=./node_modules/art-template/lib/template-web.js></script>
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>
在Node中使用模板引擎
1. 安装art-template
npm install art-template
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);
输出结果
hello NodeJs
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,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 ) 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<a href=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>
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!'); } })
实现效果
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