利用PHP上传文件.php

<?php
if($_POST["submit"]){
$uploaddir = 'js/';
//$uploadfile = $uploadfile.$_FILES['userfile']['name'];
$map1 = $uploaddir.$_FILES['userfile']['name'];
print "<pre>";
if (move_uploaded_file($_FILES['userfile']['tmp_name'], $map1)) {
  
   }
   else{
    print_r($_FILES);

    exit();
   }
print "</pre>";
}
?>

<form enctype="multipart/form-data" action="" method="POST">
Send this file: <input name="userfile" type="file">
<input type="submit" name="submit" value="Send File">
</form>