关于$_FILES的有关问题

 



 



 







 



 



  



 








function getname($exname){ 



   $dir = "uploadfile/"; 



   $i=1; 



   if(!is_dir($dir)){ 



      mkdir($dir,0777); 



   } 





   while(true){ 



     if(!is_file($dir.$i.".".$exname)){ 



        $name=$i.".".$exname; 



        break; 



      } 



     $i++; 



   } 





   return $dir.$name; 



} 





$exname=strtolower(substr($_FILES['upfile']['name'],(strrpos($_FILES['upfile']['name'],'.')+1))); 



$uploadfile = getname($exname);  





if (move_uploaded_file($_FILES['upfile']['tmp_name'], $uploadfile)) { 



   echo "文件上传成功！"; 

	echo "";

   echo "
下面是文件上传的一些信息： 



    
原文件名：".$_FILES['upfile']['name'] . 



    "
类型：" .$_FILES['upfile']['type'] . 



    "
临时文件名：".$_FILES['upfile']['tmp_name']. 



    "
文件大小：".$_FILES['upfile']['size']; 

}





?>