php多文件上传下载示例分享

2024-05-04 22:22:26

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代码如下:
<html>
<head>
    <meta charset="utf-8">
    <title>index_uploads</title>
</head>
<body>
    <form action="uploads.php" method="post" enctype="multipart/form-data">
        <input type="file" name="file[]">
        <br>
        <input type="file" name="file[]">
        <br>
        <input type="file" name="file[]">
        <br>
        <input type="file" name="file[]">
        <br>
        <input type="file" name="file[]">
        <br>
        <input type="submit" value="uploads">
    </form>
</body>
</html>

index_uploads.php
代码如下:
<?php
    echo "<pre>";
    print_r($_FILES);
    echo "</pre>";

$count = count($_FILES['file']['name']);

    for ($i = 0; $i < $count; $i++) {
        $tmpfile = $_FILES['file']['tmp_name'][$i];
        $filefix = array_pop(explode(".", $_FILES['file']['name'][$i]));
        $dstfile = "uploads/files/".time()."_".mt_rand().".".$filefix;

        if (move_uploaded_file($tmpfile, $dstfile)) {
            echo "<script>alert('succeed!');window.location.href='listdir.php';</script>";
        } else {
            echo "<script>alert('fail!');window.location.href='index_uploads.php';</script>";
        }
    }

uploads.php
代码如下:
<?php
header("content-type:text/html;charset=utf-8");
$dirname = "uploads/files";

    function listdir($dirname) {
        $ds = opendir($dirname);
        while ($file = readdir($ds)) {
            $path = $dirname.'/'.$file;
            if ($file != '.' && $file != '..'){
                if (is_dir($path)) {
                    listdir($path);

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