展示
代码
注意：
在 EcmaScript 6 的 ` 字符串中，可以使用 ${} 来引用变量
template.html（文件列表）
<html dir="ltr" lang="zh" i18n-processed=""> <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; } 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">D:\Movie\www\ 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">D:\Movie\www\ 的索引</h1> <div id="parentDirLinkBox" style="display:none"> <a id="parentDirLink" class="icon up"> <span id="parentDirText">[上级目录]</span> </a> </div> <table> <thead> <tr class="header" id="theader"> <th onclick="javascript:sortTable(0);">名称</th> <th class="detailsColumn" onclick="javascript:sortTable(1);"> 大小 </th> <th class="detailsColumn" onclick="javascript:sortTable(2);"> 修改日期 </th> </tr> </thead> <tbody id="tbody">^_^</tbody> </table> </body> </html>
app.js（服务端处理）
var http = require('http') var fs = require('fs') var server = http.createServer() var wwwDir = 'D:/Study/MyWeb/PHP' server.on('request', function (req, res) { var url = req.url fs.readFile('./template.html', function (err, data) { if (err) { return res.end('404 Not Found.') } // 1. 如何得到 wwwDir 目录列表中的文件名和目录名 // fs.readdir // 2. 如何将得到的文件名和目录名替换到 template.html 中 // 2.1 在 template.html 中需要替换的位置预留一个特殊的标记（就像以前使用模板引擎的标记一样） // 2.2 根据 files 生成需要的 HTML 内容 fs.readdir(wwwDir, function (err, files) { if (err) { return res.end('Can not find www dir.'+' 错误是：'+err) } // 2.1 生成需要替换的内容 var content = '' files.forEach(function (item) { // 在 EcmaScript 6 的 ` 字符串中，可以使用 ${} 来引用变量 content += ` <tr> <td data-value="apple/"><a class="icon dir" href="/D:/Software/wamp/www/${item}">${item}/</a></td> <td class="detailsColumn" data-value="0"></td> <td class="detailsColumn" data-value="1509589967">2017/11/2 上午10:32:47</td> </tr> ` }) // 2.3 替换 data = data.toString() data = data.replace('^_^', content) // 3. 发送解析替换过后的响应数据 res.end(data) }) }) }) server.listen(3000, function () { console.log('running...') })
