协助我查找PHP文件上载中的错误 您有任何错误吗？是的，它说注意：未定义索引：上传了C:\xampp\htdocs\Upload.php中的\u文件，第6行文件上传失败！！！。这里还有一些调试：第6行是：如果（移动上传的文件（$\\\\\\\\\\\\\\

协助我查找PHP文件上载中的错误

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您有任何错误吗？是的，它说注意：未定义索引：上传了C:\xampp\htdocs\Upload.php中的\u文件，第6行文件上传失败！！！。这里还有一些调试：第6行是：如果（移动上传的文件（$\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\？特别是在数据库中。请将相关内容放在问题中，不要在问题和评论中分发。

<form enctype="multipart/form-data" action="upload3.php" method="post">
            <input type="hidden" name="MAX_FILE_SIZE" value="1000000" />
            Choose a file to upload: <input name="uploaded_file" type="file" />
            <input type="submit" value="Upload" />
        </form>

<?php 
      $uploaddir = "Uploads/";
      $uploadfile = $uploaddir.basename($_FILES['uploaded_file']['name']);

echo "<pre style=font-size:20px>";
     if(move_uploaded_file($_FILES['uploaded_file']['tmp_name'], $uploadfile ))
     {
         echo "<b>File is valid,and was successfully uploaded !!!</b>.\n";
     }
     else
     {
         echo "<b>File upload Failed !!!</b>.\n";
     }
 ?>

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