简单的文件上传类

09927306 · 发表于 2011-1-12 17:00:16

<?php
/**
* FileUplaod class
* 部分代码源自网络
* 2010-3-23
*/
class FileUpload {
// 验证上传文件是否为规定大小
private static function size($_formName = \'UploadFile\', $size = \'10M\') {
$files = self::dealFiles($_FILES[$_formName]);
$return = TRUE;
foreach($files as $file){
if ((int) $file[\'error\'] !== UPLOAD_ERR_OK){
return TRUE;
}
$size = strtoupper($size);
if ( ! preg_match(\'/[0-9]++[BKMG]/\', $size)){
return FALSE;
}
switch (substr($size, -1)){
case \'G\': $size = intval($size) * pow(1024, 3); break;
case \'M\': $size = intval($size) * pow(1024, 2); break;
case \'K\': $size = intval($size) * pow(1024, 1); break;
default: $size = intval($size); break;
}
$return = ($return and ($file[\'size\'] <= $size));
}
return $return;
}
/**
* 验证上传文件后缀默认为图片类型
* _formName string default UploadFile 表单元素name值
* allowExt array|string 允许的后缀类型可以为数组或者字符串
* return bool 是否验证成功
*/
public static function valid($_formName = \'UploadFile\', $_allowExt = array(\'jpeg\',\'gif\',\'png\',\'jpg\',\'bmp\'), $size = \'10M\') {
if(! self::size($_formName,$size)){
return false;
}
$return = TRUE;
if(is_array($_FILES[$_formName][\'name\'])){
foreach($_FILES[$_formName][\'name\'] as $_name){
$_ext = pathinfo($_name,PATHINFO_EXTENSION);
$return = ($return AND in_array($_ext, $_allowExt));
}
return $return;
}else{
$_ext = pathinfo($_FILE[$_formName],PATHINFO_EXTENSION);
if(in_array($_ext, $_allowExt)){
return TRUE;
}
return FALSE;
}
return FALSE;
}
/**
* 保存上传文件
* _formName string default UploadFile 表单元素name值
* _savePath string default NULL 文件保存路径(默认当前路径./upload/目录)
* _fileName string default NULL 文件保存名称默认时间戳+原文件名
* _chmode int default 0664 上传后的文件权限
*/
public static function save($_formName = \'UploadFile\', $_savePath = NULL, $_fileName = NULL, $_chmode = 0664) {
$file = \'\';
$files = array();
if(is_array($_FILES[$_formName][\'name\'])){
$_fileName = \'\';
$files = self::dealFiles($_FILES[$_formName]);
$fileNames = array();
foreach($files as $file){
$fileNames[] = self::upload($file,$_savePath,$_fileName, $_chmode);
}
return $fileNames;
}else{
$file = $_FILES[$_formName];
$fileName = self::upload($file,$_savePath,$_fileName, $_chmode);
}
return $fileName;
}
/**
* 保存上传文件
* 参数同save()
*/
private static function upload($file = array(), $_savePath = NULL, $_fileName = NULL, $_chmode = 0664) {
if(emptyempty($file)){ return FALSE;}
if($_fileName == NULL){
$_fileName = time().rand(1,100).$file[\'name\'];
}
$_fileName = preg_replace(\'/\\s+/\', \'_\', $_fileName);
if ($_savePath == NULL){
$_savePath = \'./upload/\';
}
self::mkdirs($_savePath,0777);
$_savePath = rtrim($_savePath, \'/\').\'/\';
if ( ! is_writable($_savePath)){
throw new Exception(\'The directory \'.$_savePath.\' is not_writable !\');
}
if (is_uploaded_file($file[\'tmp_name\']) AND move_uploaded_file($file[\'tmp_name\'], $filename = $_savePath.$_fileName)){
if ($chmod !== FALSE){
chmod($filename, $_chmod);
}
return $filename;
}else{
throw new Exception(\'Move uploaded File Error!\'.$file[\'tmp_name\']);
}
return FALSE;
}
// 创建目录树
public static function mkdirs($dir, $mode = 0777) {
if (!is_dir($dir)) {
self::mkdirs(dirname($dir), $mode);
return mkdir($dir, $mode);
}
return TRUE;
}
// 多文件上传数组格式转换
private static function dealFiles(&$files) {
$fileArray = array();
$count = count($files[\'name\']);
$keys = array_keys($files);
for ($i=0; $i<$count; $i++) {
foreach ($keys as $key) {
if(emptyempty($files[$key][$i])){
unset($fileArray[$i][$key]);
unset($fileArray[$i][\'error\']);
}else{
$fileArray[$i][$key] = $files[$key][$i];
}
}
}
// 剔除为空的元素
foreach($fileArray as $key=>$value){
if(emptyempty($value)){
unset($fileArray[$key]);
}
}
return $fileArray;
}
}
// 测试
if( !emptyempty($_FILES[\'UploadFile\'])){
$allowExt = array(\'jpg\');
if(FileUpload::valid(\'UploadFile\', $allowExt)){
$test = FileUpload::save(\'UploadFile\');
print_r($test);
}else{
echo \'error\';
}
}
?>
<form action="#" method="post" enctype="multipart/form-data">
<input type="file" name="UploadFile[]"><br/>
<input type="file" name="UploadFile[]"><br/>
<input type="file" name="UploadFile[]"><br/>
<input type="file" name="UploadFile[]"><br/>
<input type="submit" value="sub">
</form>
<?php
/**
* FileUplaod class
* 部分代码源自网络
* 2010-3-23
*/
class FileUpload {
// 验证上传文件是否为规定大小
private static function size($_formName = \'UploadFile\', $size = \'10M\') {
$files = self::dealFiles($_FILES[$_formName]);
$return = TRUE;
foreach($files as $file){
if ((int) $file[\'error\'] !== UPLOAD_ERR_OK){
return TRUE;
}
$size = strtoupper($size);
if ( ! preg_match(\'/[0-9]++[BKMG]/\', $size)){
return FALSE;
}
switch (substr($size, -1)){
case \'G\': $size = intval($size) * pow(1024, 3); break;
case \'M\': $size = intval($size) * pow(1024, 2); break;
case \'K\': $size = intval($size) * pow(1024, 1); break;
default: $size = intval($size); break;
}
$return = ($return and ($file[\'size\'] <= $size));
}
return $return;
}
/**
* 验证上传文件后缀默认为图片类型
* _formName string default UploadFile 表单元素name值
* allowExt array|string 允许的后缀类型可以为数组或者字符串
* return bool 是否验证成功
*/
public static function valid($_formName = \'UploadFile\', $_allowExt = array(\'jpeg\',\'gif\',\'png\',\'jpg\',\'bmp\'), $size = \'10M\') {
if(! self::size($_formName,$size)){
return false;
}
$return = TRUE;
if(is_array($_FILES[$_formName][\'name\'])){
foreach($_FILES[$_formName][\'name\'] as $_name){
$_ext = pathinfo($_name,PATHINFO_EXTENSION);
$return = ($return AND in_array($_ext, $_allowExt));
}
return $return;
}else{
$_ext = pathinfo($_FILE[$_formName],PATHINFO_EXTENSION);
if(in_array($_ext, $_allowExt)){
return TRUE;
}
return FALSE;
}
return FALSE;
}
/**
* 保存上传文件
* _formName string default UploadFile 表单元素name值
* _savePath string default NULL 文件保存路径(默认当前路径./upload/目录)
* _fileName string default NULL 文件保存名称默认时间戳+原文件名
* _chmode int default 0664 上传后的文件权限
*/
public static function save($_formName = \'UploadFile\', $_savePath = NULL, $_fileName = NULL, $_chmode = 0664) {
$file = \'\';
$files = array();
if(is_array($_FILES[$_formName][\'name\'])){
$_fileName = \'\';
$files = self::dealFiles($_FILES[$_formName]);
$fileNames = array();
foreach($files as $file){
$fileNames[] = self::upload($file,$_savePath,$_fileName, $_chmode);
}
return $fileNames;
}else{
$file = $_FILES[$_formName];
$fileName = self::upload($file,$_savePath,$_fileName, $_chmode);
}
return $fileName;
}
/**
* 保存上传文件
* 参数同save()
*/
private static function upload($file = array(), $_savePath = NULL, $_fileName = NULL, $_chmode = 0664) {
if(empty($file)){ return FALSE;}
if($_fileName == NULL){
$_fileName = time().rand(1,100).$file[\'name\'];
}
$_fileName = preg_replace(\'/\\s+/\', \'_\', $_fileName);
if ($_savePath == NULL){
$_savePath = \'./upload/\';
}
self::mkdirs($_savePath,0777);
$_savePath = rtrim($_savePath, \'/\').\'/\';
if ( ! is_writable($_savePath)){
throw new Exception(\'The directory \'.$_savePath.\' is not_writable !\');
}
if (is_uploaded_file($file[\'tmp_name\']) AND move_uploaded_file($file[\'tmp_name\'], $filename = $_savePath.$_fileName)){
if ($chmod !== FALSE){
chmod($filename, $_chmod);
}
return $filename;
}else{
throw new Exception(\'Move uploaded File Error!\'.$file[\'tmp_name\']);
}
return FALSE;
}
// 创建目录树
public static function mkdirs($dir, $mode = 0777) {
if (!is_dir($dir)) {
self::mkdirs(dirname($dir), $mode);
return mkdir($dir, $mode);
}
return TRUE;
}
// 多文件上传数组格式转换
private static function dealFiles(&$files) {
$fileArray = array();
$count = count($files[\'name\']);
$keys = array_keys($files);
for ($i=0; $i<$count; $i++) {
foreach ($keys as $key) {
if(empty($files[$key][$i])){
unset($fileArray[$i][$key]);
unset($fileArray[$i][\'error\']);
}else{
$fileArray[$i][$key] = $files[$key][$i];
}
}
}
// 剔除为空的元素
foreach($fileArray as $key=>$value){
if(empty($value)){
unset($fileArray[$key]);
}
}
return $fileArray;
}
}
// 测试
if( !empty($_FILES[\'UploadFile\'])){
$allowExt = array(\'jpg\');
if(FileUpload::valid(\'UploadFile\', $allowExt)){
$test = FileUpload::save(\'UploadFile\');
print_r($test);
}else{
echo \'error\';
}
}
?>
<form action="#" method="post" enctype="multipart/form-data">
<input type="file" name="UploadFile[]"><br/>
<input type="file" name="UploadFile[]"><br/>
<input type="file" name="UploadFile[]"><br/>
<input type="file" name="UploadFile[]"><br/>
<input type="submit" value="sub">
</form>

复制代码

huanglv80 · 发表于 2011-6-18 09:59:41

顶啦，不错吧

kikiya11 · 发表于 2011-6-22 11:59:48

这个贴不错！！！

计晨 · 发表于 2011-6-27 02:59:55

有意思~顶顶，继续顶顶。继续顶哦

haidideyu · 发表于 2011-6-27 07:00:04

顶顶更健康

婷婷爱牛牛 · 发表于 2011-6-27 14:59:52

前来看看那