PHP实现文件上传与下载
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2020-12-17
01:01:18
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PHP实现文件上传与下载实现文件上传与下载
本文实例为大家分享了PHP实现文件上传与下载的具体代码，供大家参考，具体内容如下
主页index.php
<html>
<head>
<title>图片操作</title>
<style>
#contains {
width: 500px;
margin: 0 auto;
text-align: center;
color: #0F0;
}
th {
background: #ccc;
}
td {
width: 150px;
height: 50px;
text-align: center;
}
</style>
</head>
<body>
<div id="contains">
<h2>图片上传和下载</h2>
<!----------------文件上传表单------------->
<form action="doupload.php" method="post" enctype="multipart/form-data">
<input type="hidden" value="10000000" /> <!---避免上传后发现文件过大--->
<input type="file" name="pic"/>
<input type="submit" value="上传"/>
</form>
<!--------------------------------------->
<table width="500" border="0">
<tr>
<th>序号</th><th>图片</th><th>添加时间</th><th>操作</th>
</tr>
<?php
//1.打开目录
$dir = opendir("./imgs");
//2.遍历目录
$i = 0;
$color = "#ff0";
while ($f = readdir($dir)){ //$f代表这每个文件的名字
if ($f == '.' || $f == "..") continue; //处理特殊隐藏的文件
$i++;
if ($i % 2 == 0) $color = "#ccc";
else $color = "#ffa";
echo "<tr bgcolor=$color>";
echo "<td>{$i}</td>";
echo "<td><img src='./imgs/{$f}' width='150' height='50'/></td>";
echo "<td>".date("Y-m-d", filectime('./imgs/'.$f))."</td>";
echo "<td><a href='./imgs/{$f}'>查看</a>
<a href='download.php?name={$f}'>下载</a></td>";
echo "</tr>";
// echo $f." ";
}
?>
</table>
</div>
</body>
</html>
上传doupload.php
<?php
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