PHP multi-file upload classic code_PHP tutorial

require_once("include/upload.class.php");
if($_POST["button"])
{
        //print_r($_FILES);
        //多个上传
        //$upload = new TTRUpload($_FILES,"ANY");//同下

        $upload = new TTRUpload(array($_FILES["file1"],$_FILES["file2"],$_FILES["file3"],$_FILES["file4"]),"ANY");

        //单个上传
        //$upload = new TTRUpload($_FILES["file1"]);
        $upload->upload();
        echo $upload->getUploadFileName();
}
?>

 
 

 
 

 
 

 
 

 

class TTRUpload extends Error
{
        const filesize=81200000;
         private $uploadpath="uploadfile/";
         private $savepath=null;
private $uploadfilename=null; //A single file is the file name, and the batch file is in xxxx|xxxx format, please note
        private $ext=array("jpg","gif","png");
         private $error=null;
         private $file=null;                                                                   private $uploadtype=null;
         private $filename=null;
         
//Constructor, $type:ONE single upload ANY batch upload;
        public function __construct($file,$type="ONE")
           {
If($type!="ONE" && $type!="ANY")
                                                 {
                                     echo "";
exit;
                }
$this->uploadtype=$type;
$this->file=$file;
}
         
         private function createFileName()
           {
                             return $this->filename="TTR_".time().$this->getRandomN(4);
}
                                                                                 private function getUploadPath()
           {
If(substr($this->uploadpath,-1,1)!="/")
                                                 {
$this->savepath=$this->uploadpath."/".date("Ym");
                    }else{
$this->savepath=$this->uploadpath.date("Ym");
                }
$this->savepath=$this->getFolder($this->savepath);
                    return true;
}
         
         private function getFileExt($tempfilename)
           {
                    return end(explode(".",$tempfilename));
}
         
         private function getExt()
           {
                if(in_array(strtolower($this->getFileExt($tempfilename)),$this->ext))
                {
                        return true;
                }else{
                        return false;       
                }
        }
       
        private function getFolder($folder)
        {
                if(!is_dir($folder))
                {
                        mkdir($folder);
                }
                return $folder."/";
        }
       
       
        public function upload()
        {
                if($this->uploadtype=="ONE")
                {
                       

                        if($this->getExt($this->file["type"]))
                        {
                               
                                parent::errorExt();
                               
                        }else if($this->file["size"]>self::filesize){
                               
                                parent::errorFileSize();
                               
                        }else if(!$this->getUploadPath()){
                               
                                parent::errorUploadPath();
                               
                        }else{
                                $filenametemp=$this->createFileName();
                                $filename=$this->savepath.$filenametemp.".".$this->getFileExt($this->file["name"]);
                                if(move_uploaded_file($this->file["tmp_name"],$filename))
                                {       
                                        $this->uploadfilename=$filenametemp;
                                        parent::okMoved();                       
                                       
                               
                                }else{
                                        parent::errorMoveUpload();
                                }
                        }
                }else if($this->uploadtype=="ANY"){

                        for($i=0;$ifile);$i++)
                        {
                       
                                if($this->getExt($this->file[$i]["type"]))
                                {
                                        parent::errorExt();
                                       
                                }else if($this->file[$i]["size"]>self::filesize){
                                       
                                        parent::errorFileSize();
                                       
                                }else if(!$this->getUploadPath()){
                                       
                                        parent::errorUploadPath();
                                       
                                }else{
                                        $filenametemp=$this->createFileName();
                                        $filename=$this->savepath.$filenametemp.".".$this->getFileExt($this->file[$i]["name"]);
                                        if(move_uploaded_file($this->file[$i]["tmp_name"],$filename))
                                        {       
                                                $str.=$filenametemp."|";
                                               
                                        }else{
                                                parent::errorMoveUpload();
                                        }
                                       
                                }
                               
                        }
                        $this->uploadfilename=substr($str,0,strlen($str)-1);       
                        parent::okMoved();
                }
        }
       
        public function getUploadFileName()
        {
                return $this->uploadfilename;
        }
       
        public function setUploadPath($path)
        {
                $this->uploadpath=$path;
        }
       
       
        private function getRandomN($n)
        {
                if ($n < 1 || $n>10)  return "";
       
                $ary_num= array(0,1,2,3,4,5,6,7,8,9);
                $return ="";
                for ($i=0;$i<$n;$i++)
                {
                        $randn = rand(0,9-$i);
                        $return .= $ary_num[$randn];
                        $ary_num[$randn] = $ary_num[9-$i];
                }
                   return $return;
}

 
         
        public function __destruct()
           {
$this->uploadfilename=null;
$this->uploadtype=null;
$this->file=null;
$this->savepath=null;
}
         
}

class Error
{
         public static function errorFileSize()
           {
echo "Maximum upload limit exceeded";
}
         
         public static function errorExt()
           {
echo "Such files are not allowed to be uploaded";
}
         
         public static function errorUploadPath()
           {
echo "The upload path is incorrect";
}
         
         public static function errorMoveUpload()
           {
echo "Upload failed";
}
         
         public static function okMoved()
           {
echo "Upload successful!";
}
         
         public static function okArrayMoved()
           {
echo "Upload successful!";
}
}

http://www.bkjia.com/PHPjc/632005.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/632005.htmlTechArticle?php require_once(include/upload.class.php); if($_POST[button]) { // print_r($_FILES); //Multiple uploads//$upload = new TTRUpload($_FILES,ANY);//Same as below $upload = new TTRUpload(array($...