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我在做一個測試版的「視頻上傳網站」，但人們只需要按上傳就可以上傳任何東西，並且垃圾我的數據庫和視頻網站，我怎麼才能讓它只上傳，如果有文件attchedphp form no file no upload
我的代碼是：
<?php
mysql_connect("ip","username","password");
mysql_select_db("database");
if(isset($_POST['submit']))
{
$name = $_FILES['file']['name'];
$temp = $_FILES['file']['tmp_name'];
move_uploaded_file($temp,"uploaded/".$name);
$url = "http://www.mysite.dk/videoer/uploaded/$name";
mysql_query("INSERT INTO `videos` VALUE ('','$name','$url')");
}
?>
<html>
<head>
<title>Upload din video | Se videoer</title>
</head>
<body>
<a href="videoes.php">Videoer</a>
<form action="index.php" method="POST" enctype="multipart/form-data">
<input type="file" name="file" />
<input type="submit" name="submit" value="Upload!" />
</form>
<?php
if(isset($_POST['submit']))
{
echo "<br />".$name." Er blevet uploadet";
}
?>
</body>
</html>
它被稱爲驗證。 http://www.smashingmagazine.com/2009/07/07/web-form-validation-best-practices-and-tutorials/ – Leeish