php批量上传的实现代码

  if(isset($_POST["submit"])){
   foreach($_FILES["product_img"]["error"]as$k=>$v){
    if($v==UPLOAD_ERR_OK){
     $sql="product_img".($k+1);
     $tmp_name=$_FILES["product_img"]["tmp_name"][$k];
     $file_name=$_FILES["product_img"]["name"][$k];
     $file_type=$_FILES["product_img"]["type"][$k];
     $upload_name=getPath("../Public/Upload").time()."_".$file_name;
     @move_uploaded_file($tmp_name,$upload_name);
     $map[$sql]=$file_name;
     print_r($map);
     exit;
    }
   }
  }