php ͼƬÉÏ´«Àà´úÂë

<?
//http://www.jb51.net
class upLoad{
public $length; //ÏÞ¶¨Îļþ´óС
public $file; //ÅжϴËÀàÊÇÓÃÓÚͼƬÉÏ´«»¹ÊÇÎļþÉÏ´«
public $fileName; //ÎļþÃû
public $fileTemp; //ÉÏ´«ÁÙʱÎļþ
public $fileSize; //ÉÏ´«Îļþ´óС
public $error; //ÉÏ´«ÎļþÊÇ·ñÓдí,php4ûÓÐ
public $fileType; //ÉÏ´«ÎļþÀàÐÍ
public $directory; //
public $maxLen;
public $errormsg;
function __construct($length,$file=true,$directory)
{
$this->maxLen=$length;
$this->length=$length*1024;
$this->file=$file; //trueΪһ°ãÎļþ£¬falseΪͼƬµÄÅжÏ
$this->directory=$directory;
}
public function upLoadFile($fileField)
{
$this->fileName=$fileField['name'];
$this->fileTemp=$fileField['tmp_name'];
$this->error=$fileField['error'];
$this->fileType=$fileField['type'];
$this->fileSize=$fileField['size'];
$pathSign = DIRECTORY_SEPARATOR; // /
if($this->file) //Ò»°ãÎļþÉÏ´«
{
$path = $this->_isCreatedDir($this->directory);//È¡µÃ·¾¶
if($path)//http://www.jb51.net
{
$createFileType = $this->_getFileType($this->fileName);//ÉèÖÃÎļþÀà±ð
$createFileName=uniqid(rand()); //Ëæ»ú²úÉúÎļþÃû
$thisDir=$this->directory.$pathSign.$createFileName.".".$createFileType;
if(@move_uploaded_file($this->fileTemp,$thisDir)) //°ÑÁÙʱÎļþÒƶ¯µ½¹æ¶¨µÄ·¾¶ÏÂ
{
return $thisDir;
}
}
}else{ //ͼƬÉÏ´«
$path = $this->_isCreatedDir($this->directory);//È¡µÃ·¾¶
if($path)//·¾¶´æÔÚ//http://www.jb51.net
{
$createFileType = $this->_getFileType($this->fileName);//ÉèÖÃÎļþÀà±ð
$createFileName=uniqid(rand());
return
@move_uploaded_file($this->fileTemp,$this->directory.$pathSign.$createFileName.".".$createFileType)
? true : false;
}
}
}
public function _isBig($length,$fsize) //·µ»ØÎļþÊÇ·ñ³¬¹ý¹æ¶¨´óС
{
return $fsize>$length ? true : false;
}
public function _getFileType($fileName) //»ñµÃÎļþµÄºó׺
{
return end(explode(".",$fileName));
}
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