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Chrome遍歷本地資料夾中所有檔案

前言

支援Chrome瀏覽器,不支援IE。IE可通過ActiveX方式輕鬆實現。其他系列瀏覽器未測試,親們測試了可以評論告訴我。

程式碼

<!DOCTYPE html>
<html lang="zh">

<head>
    <meta charset="UTF-8">
    <title>page test</title>
    <style type="text/css">
    * {
        margin: 0;
        padding: 0;
    }

    .file
{ vertical-align: top; position: relative; display: inline-block; background: #D0EEFF; border: 1px solid #99D3F5; border-radius: 4px; padding: 4px 12px; overflow: hidden; color: #1E88C7; text-decoration: none; text-indent
: 0; line-height: 20px; } .file input { position: absolute; font-size: 100px; right: 0; top: 0; opacity: 0; } .file:hover { background: #AADFFD; border-color: #78C3F3; color: #004974; text-decoration: none; }
#dllList { margin: auto; display: inline-block; border-collapse: collapse; } #dllList th, td { width: 200px; border: 1px solid #98bf21; font-size: 1em; text-align: right; padding: 3px 7px 2px 7px; } #dllList th { font-size: 1.1em; text-align: left; padding-top: 5px; padding-bottom: 4px; background-color: #A7C942; color: #ffffff; } #dllList tr:nth-child(even) { color: #000000; background-color: #EAF2D3; }
</style> <script type="text/javascript"> function fileChange(that) { var files = that.files; var filesJson = '['; for (var i = 0; i < files.length; i++) { let name = files[i].name; let size = Math.round(files[i].size / 1024) + "K"; if (/\.dll$/ig.test(name)) {//這裡按業務要求篩選所有dll檔案 filesJson += '{"name":"' + name + '","size":"' + size + '"},'; } } filesJson = filesJson.slice(0, -1) + "]"; createTable(filesJson); } function createTable(jsonStr) { var obj = JSON.parse(jsonStr); var tableObject = document.getElementById('dllList'); for (var i in obj) { let TableRow = tableObject.insertRow(); let fileName = TableRow.insertCell(0); fileName.innerHTML = obj[i].name; let fileSize = TableRow.insertCell(1); fileSize.innerHTML = obj[i].size; } } </script> </head> <body> <table id="dllList"> <thead> <tr> <th>檔名</th> <th>大小(誤差±1K)</th> </tr> </thead> </table> <a href="javascript:;" class="file">選擇檔案 <input type="file" webkitdirectory directory onchange="fileChange(this);" /> </a> </body> </html>