求用copy()函数上传文件的代码

表单
<form name="form1" enctype="multipart/form-data" method="post">
  <input type="file" name="file">
  <input type="submit" name="Submit" value="Submit">
</form>程序
<?php
if(isset($_POST['submit'])) {
  if($_FILES['file']['size'] > 0)
    copy($_FILES['file']['tmp_name'],$_FILES['file']['name']); //按原名复制到当前目录
}
?>