Chrome遍历本地文件夹中所有文件

版权声明:本文为博主原创文章,欢迎注明出处转载 https://blog.csdn.net/shepherd_dirk/article/details/84972872

前言

支持Chrome浏览器,不支持IE。IE可通过ActiveX方式轻松实现。其他系列浏览器未测试,亲们测试了可以评论告诉我。

代码

<!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)) {//这里按业务要求筛选所有dll文件
                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>文件名</th>
                <th>大小(误差±1K)</th>
            </tr>
        </thead>
    </table>
    <a href="javascript:;" class="file">选择文件
    <input type="file" webkitdirectory directory onchange="fileChange(this);" />
    </a>
</body>

</html>

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转载自blog.csdn.net/shepherd_dirk/article/details/84972872