一个简单的PHP上传下载实例
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index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>文件管理</title>
</head>
<h2>文件上传</h2>
<hr width="30%" align="left">
<form action="upload_file.php" method="post" enctype="multipart/form-data">
请选择您要上传的文件：<input type="file" name="myFile" /><br/>
<input type="submit" value="上传"/>
</form>
<br>
<h2>文件下载</h2>
<hr width="30%" align="left">
<form action="download_file.php" method="get">
<input name="filename" type="text" style="width: 17%;" value="" placeholder="请输入文件名" />
<input type="submit" value="下载" />
</form>
</body>
</html>
upload_file.php
<?php
header("Content-Type:text/html;charset=utf8");
$dir = 'upload/';
// 获取文件名
$filename = $_FILES['myFile']['name'];
$tmp_name = $_FILES['myFile']['tmp_name'];
// 判断文件是否通过 POST 方式 并 成功上传
if(is_uploaded_file($tmp_name))
{
if(move_uploaded_file($tmp_name,$dir.$filename))
{
$tip = "[$filename] 上传成功: [$dir]";
}
else{
$tip = "[$filename] 上传失败";
}
}
else{
$tip = "非法上传";
}
echo $tip;
?>
download_file.php
<?php
//header("Content-Type:text/html;charset=utf8");
$file_name = $_GET['filename'];
$download_path = "upload/";
if(!file_exists($download_path.$file_name)){
Header("Content-type:text/html;charset=utf-8");
echo "文件不存在!</br>";
exit;
}
else{
$file=fopen($download_path.$file_name,"r");
header('Content-Typr:application/octet-stream');
header("Accept-Ranges: bytes");
header("Content-Disposition:attachment;filename=".$file_name);
header('Content-length:'.filesize($download_path.$file_name));
readfile($download_path.$file_name);
}
?>
info.php
<?php
phpinfo();
?>
