参考资料网址：
http://www.cnblogs.com/xproer/archive/2012/02/17/2355467.html
http://www.jb51.net/article/55523.htm
php文件
<?php
//设置最多允许10个文件同时上传
define('MUILTI_FILE_UPLOAD', '10');
//设置文件大小不超过5MB
define('MAX_SIZE_FILE_UPLOAD', '500000' );
//设置上传文件的存储目录
define('FILE_UPLOAD_DIR', '/fileUploads');
//允许上传的文件扩展名
$array_extention_interdite = array( '.flv' , '.wmv' , '.rmvb' , '.php' , '.php3' , '.php4' , '.exe' , '.msi' , '.htaccess' , '.gz' );
//显示信息的公共函数
function func_message($message='', $ok=''){
echo '<table width="100%" cellspacing="0" cellpadding="0" border="0">';
if($ok == true)
echo '<tr><td width="50%"> '.$message.'</td></tr>' ;
else
echo '<tr><td width="50%"> '.$message.'</td></tr>';
echo '</table>';
}
//处理表单提交
$action = (isset($_POST['action'])) ? $_POST['action'] :'' ;
$file = (isset($_POST['file'])) ? $_POST['file'] :'' ;
if($file != '')
$file = $file.'/';
$message_true = '';
$message_false = '';
switch($action){
case 'upload' :
chmod(FILE_UPLOAD_DIR,0777);
for($nb = 1 ; $nb <= MUILTI_FILE_UPLOAD ; $nb ++ ){
if( $_FILES['file_'.$nb]['size'] >= 10 ){
if ($_FILES['file_'.$nb]['size'] <= MAX_SIZE_FILE_UPLOAD ){
if (!in_array(ereg_replace('^[[:alnum:]]([-_.]?[[:alnum:]])*.' ,'.', $_FILES['file_'.$nb]['name'] ) , $array_extention_interdite) ){
if($_POST['file_name_'.$nb] !='')
$file_name_final = $_POST['file_name_'.$nb].$extension ;
else
$file_name_final = $_FILES['file_'.$nb]['name'] ;
//修改文件名
$file_name_final = strtr($file_name_final, 'aaaaaa', 'AAAAAACEEEEIIIIOOOOOUUUUYaaaaaaceeeeiiiioooooouuuuyy');
$file_name_final = preg_replace('/([^.a-z0-1]+)/i', '_', $file_name_final );
$_FILES['file_'.$nb]['name'] = $file_name_final;
//开始上传
move_uploaded_file( $_FILES['file_'.$nb]['tmp_name'] , FILE_UPLOAD_DIR . $file . $file_name_final );
$message_true .= '文件上传成功 : '.$_FILES['file_'.$nb]['name'] .'<br>';
}else
$message_false .= '文件上传失败 : '.$_FILES['file_'.$nb]['name'] .' <br>';
}else
$message_false .= '文件最大尺寸不能超过'.MAX_SIZE_FILE_UPLOAD/1000 . 'KB : "'.$_FILES['file_'.$nb]['tmp_name'].'" <br>';
}
}//end for
break;
}
?>
html
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<title>PHP文件上传</title>
<style type="text/css" rel="stylesheet" />
.border{
background-color:#000000
}
.box{
background-color:#f8f8f9;
}
.text{
color:#000000;
font-family: "宋体";
font-size: 12px;
font-weight:bold
}
input, select{
font-size: 12px;
}
body{
margin: 0;
}
</style>
<body>
<!-- 文件上传表单，enctype属性是必须的 -->
<form name="form" enctype="multipart/form-data" method="post" action="<?php echo $_SERVER['PHP_SELF'] ; ?>">
<input type="hidden" name="action" value="upload">
<table border="0" cellspacing="1" cellpadding="0" align="center" class="border">
<tr>
<td>
<?php
if($message_true != '')
func_message($message_true, true);
if($message_false != '')
func_message($message_false, false);
?>
<table width="100%" border="0" cellspacing="5" cellpadding="2" align="center" class="box">
<?php
for($nb = 1 ; $nb <= MUILTI_FILE_UPLOAD ; $nb ++ ){
?>
<tr class="text">
<td>上传文件： <?php echo $nb; ?></td>
<td><input type="file" name="file_<?php echo $nb; ?>"></td>
<td>新文件名（包括扩展名）：<?php echo $nb; ?> </td>
<td><input type="text" name="file_name_<?php echo $nb; ?>"></td>
</tr>
<?php } ?>
<tr>
<td colspan="2" align="right" class="text">
上传目的地址：<?php echo FILE_UPLOAD_DIR ;?>
<select name="file">
<option value=""></option>
<?php
$repertoire = opendir(FILE_UPLOAD_DIR);
while( $file = readdir($repertoire) ) {
$file = str_replace('.','',$file);
if( is_dir($file)) {
?>
<option value="<?php echo $file; ?>"> <?php echo $file; ?>/</option>
<?php
}
}
closedir($repertoire);
?>
</select>
</td>
<td colspan="2" align="right"><input type="submit" value="可同时上传<?php echo $nb-1; ?> 个文件 "></td>
</tr>
</table>
</td>
</tr>
</table>
</form>
</body>
</html>
