Examples of Use:
upload.php
Include_once "upload.class.php";
if ($Submit! = ")
{
$FILEARR [' file '] = $file;
$FILEARR [' name '] = $file _name;
$FILEARR [' size '] = $file _size;
$FILEARR [' type '] = $file _type;
/** file types allowed to upload */
$filetypes = Array (' gif ', ' jpg ', ' jpge ', ' png ');
/** File Upload directory */
$savepath = "/usr/htdocs/upload/";
/** no maximum limit 0 Unlimited */
$maxsize = 0;
/** cover 0 Not allowed 1 */
$overwrite = 0;
$upload = new Upload ($FILEARR, $file _name, $savepath, $filetypes, $overwrite, $maxsize);
if (! $upload->run ())
{
echo "Upload failed". $upload->errmsg ();
}
}
?>
<title>File Upload</title>
Upload class
upload.class.php
//
// +----------------------------------------------------------------------+
// | File Upload
|// | This code is for discussion purposes only and allows for arbitrary modification
|// | AUTHOR:WHXBB (whxbb@21cn.com)
|// +----------------------------------------------------------------------+
//
$Id: Upload.class.php,v 1.0 2001/10/14 14:06:57 whxbb EXP $
//
$UPLOAD _class_error = Array (1 = ' do not allow uploading of the format file ',
2 = ' Directory not writable ',
3 = ' file already exists ',
4 = ' Unknown error ',
5 = ' File Too big '
);
/**
* Purpose
* File Upload
*
* Example
*
$FILEARR [' file '] = $file;
$FILEARR [' name '] = $file _name;
$FILEARR [' size '] = $file _size;
$FILEARR [' type '] = $file _type;
Types of files that are allowed to be uploaded
$filetypes = Array (' gif ', ' jpg ', ' jpge ', ' png ');
File upload Directory
$savepath = "/usr/htdocs/upload/";
No maximum limit 0 Unlimited
$maxsize = 0;
Overwrite 0 not allow 1 allow
$overwrite = 0;
$upload = new Upload ($FILEARR, $file _name, $savepath, $filetypes, $overwrite, $maxsize);
if (! $upload->run ())
{
echo $upload->errmsg ();
}
*
* @author WHXBB (whxbb@21cn.com)
* @version 0.1
*/
Class upload
{
var $file;
var $file _name;
var $file _size;
var $file _type;
/** Save Name */
var $savename;
/** Save Path */
var $savepath;
/** file Format Limit */
var $fileformat = array ();
/** Overlay Mode */
var $overwrite = 0;
/** file Maximum bytes */
var $maxsize = 0;
/** File extension */
var $ext;
/** Error code */
var $errno;
/**
* Constructor function
* @param $fileArr File information array the path and file name of the ' file ' temporary file
' Name ' upload file name
' Size ' uploads file sizes
' Type ' upload file type
* @param savename File Save name
* @param savepath File Save path
* @param fileformat file format limit array
* @param overwriet overwrite 1 allow override 0 prohibit overlay
* @param maxsize file Maximum size
*/
function upload ($FILEARR, $savename, $savepath, $fileformat, $overwrite = 0, $maxsize = 0) {
$this->file = $fileArr [' file '];
$this->file_name = $fileArr [' name '];
$this->file_size = $fileArr [' Size '];
$this->file_type = $fileArr [' type '];
$this->get_ext ();
$this->set_savepath ($savepath);
$this->set_fileformat ($fileformat);
$this->set_overwrite ($overwrite);
$this->set_savename ($savename);
$this->set_maxsize ($maxsize);
}
/** Upload */
function Run ()
{
/** Check file format */
if (! $this->validate_format ())
{
$this->errno = 1;
return false;
}
/** Check if the directory is writable */
if (! @is_writable ($this->savepath))
{
$this->errno = 2;
return false;
}
/** If overwrite is not allowed, check if the file already exists */
if ($this->overwrite = = 0 && @file_exists ($this->savepath. $this->savename))
{
$this->errno = 3;
return false;
}
/** If there is a size limit, check if the file exceeds the limit */
if ($this->maxsize! = 0)
{
if ($this->file_size > $this->maxsize)
{
$this->errno = 5;
return false;
}
}
/** File Upload */
if (! @copy ($this->file, $this->savepath. $this->savename))
{
$this->errno = 4;
return false;
}
/** Delete temporary files */
$this->destory ();
return true;
}
/**
* File Format check
* @access Protect
*/
function Validate_format ()
{
if (!is_array ($this->fileformat))//No Formatting restrictions
return true;
$ext = Strtolower ($this->ext);
Reset ($this->fileformat);
while (list ($var, $key) = each ($this->fileformat))
{
if (Strtolower ($key) = = $ext)
return true;
}
Reset ($this->fileformat);
return false;
}
/**
* Get file name extension
* Access Public
*/
function Get_ext ()
{
$ext = Explode (".", $this->file_name);
$ext = $ext [Count ($ext)-1];
$this->ext = $ext;
}
/**
* Set maximum byte limit for uploaded files
* @param $maxsize File size (bytes) 0: Indicates no limit
* @access Public
*/
function Set_maxsize ($maxsize)
{
$this->maxsize = $maxsize;
}
/**
* Set Overlay mode
* @param coverage Mode 1: Allow overwrite 0: prohibit overwrite
* @access Public
*/
function Set_overwrite ($overwrite)
{
$this->overwrite = $overwrite;
}
/**
* Set the file formats that are allowed to be uploaded
* @param $fileformat allow uploaded file extensions an array group
* @access Public
*/
function Set_fileformat ($fileformat)
{
$this->fileformat = $fileformat;
}
/**
* Set Save Path
* @param $savepath File save path: End With "/"
* @access Public
*/
function Set_savepath ($savepath)
{
$this->savepath = $savepath;
}
/**
* Set File Save name
* @savename save name, if empty, the system automatically generates a random file name
* @access Public
*/
function Set_savename ($savename)
{
if ($savename = = ")//If the file name is not set, a random file name is generated
{
Srand (Double) microtime () * 1000000);
$rnd = rand (100,999);
$name = Date (' ymdhis ') + $rnd;
$name = $name. ".". $this->ext;
} else {
$name = $savename;
}
$this->savename = $name;
}
/**
* Delete Files
* @param $file The file name you want to delete
* @access Public
*/
Function del ($file)
{
if (! @unlink ($file))
{
$this->errno = 3;
return false;
}
return true;
}
/**
* Delete temporary files
* @access Proctect
*/
function Destory ()
{
$this->del ($this->file);
}
/**
* Get error message
* @access Public
* @return Error MSG string or False
*/
function ErrMsg ()
{
Global $UPLOAD _class_error;
if ($this->errno = = 0)
return false;
Else
return $UPLOAD _class_error[$this->errno];
}
}
?>
http://www.bkjia.com/PHPjc/314183.html www.bkjia.com true http://www.bkjia.com/PHPjc/314183.html techarticle Example of use: upload.php php include_once "upload.class.php", if ($Submit! = ") {$fileArr [' file '] = $file; $fileArr [' Name '] = $file _name; $FILEARR [' size '] = $file _size; $FILEARR ...
