php多文件上传下载示例分享

2015-01-24信息快讯网

这篇文章主要介绍了php多文件上传下载示例,需要的朋友可以参考下

<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

<?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

<?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($path); } else { echo "<tr>"; echo "<td><img src='$path'></td>"; echo "<td><a href='download.php?imgfile=$file'>Download</a></td>"; echo "</tr>"; } } } } echo "<h2>图片下载|<a href='index_uploads.php'>图片上传</a></h2>"; echo "<table width='700px' border='1px'>"; listdir($dirname); echo "</table>";

listdir.php

<?php
    $imgfile = $_GET['imgfile'];
    $path = './uploads/files/'.$imgfile;
    $imgsize = filesize($path);

header("content-type:application/octet-stream"); header("content-disposition:attachment;filename={$imgfile}"); header("content-length:{$imgsize}"); readfile($path);

download.php

download.php

核心下载:

header("content-type:application/octet-stream");
header("content-disposition:attachment;filename={$imgfile}");
header("content-length:{$imgsize}");
readfile($path);

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