Warning: move_uploaded_file() [function.move-uploaded-file]: Unable to move

1. <form action="" enctype="multipart/form-data" method="post"> </form action=
2.  
3.   <td width="150"</td width= height="30" align="right" valign="middle">请选择上传文件 
4.   <td width="250"</td width=><input type="file" name="fileup" /> </input type=
5.   <td width="100"</td width=><input type="submit" name="submit" value="上传" /> </input type=
6.  
7.  
8. <!–?php 
9. if(!emptyempty($_FILES[fileup][name])){ 
10.     $fileinfo=$_FILES[fileup]; 
11.         $type=strstr($fileinfo['name'],"."); 
12.         if($type!=".jpg"){ 
13.           echo "您上传的文件格式不正确！"; 
14.         }else{ 
15.           if($fileinfo['size']<209715 && $fileinfo['size']>0){ 
16.              $path="10/".$_FILES["fileup"]["name"]; 
17.                  move_uploaded_file($fileinfo['tmp_name'],$path); 
18.                  if(is_dir("10/")){ 
19.                    $dir=scandir("10/"); 
20.                    foreach($dir as $value){ 
21.                      echo $value."
    "; 
22.                    } 
23.                  }else{ 
24.                     echo "目录路径出错！"; 
25.                  } 
26.           }else{ 
27.           echo '文件大小不符合要求！'; 
28.           } 
29.         } 
30. } 
31. ?> 

注：-R 批量执行