<?php

$filename = $_POST['filename'];

$explain = $_POST['explain'];

$upfile =  $_FILES['upfile'];

if(is_uploaded_file($upfile['tmp_name']) && $upfile['size']>0){

    $filepath = './'.$upfile['name'];

    move_uploaded_file($upfile['tmp_name'],$filepath);

    $res = mysql_query("INSERT INTO 表(filename,explain,filepath) VALUES('$filename','$explain','$filepath')");

    if($res){

        echo '添加成功！';

        exit();

    }

}

?>

<form action="" method="post" enctype="multipart/form-data" name="form1" id="form1">

  <p>

    <input type="text" name="filename" id="filename" />

  </p>

  <p>

    <input type="text" name="explain" id="explain" />

  </p>

  <p>

    <input type="file" name="upfile" id="upfile" />

  </p>

  <p>

    <input type="submit" name="button" id="button" value="提交" />

  </p>

</form>