文件上传表单
<html>
<head><title>文件上传</title></head>
<body>
<form action="upload.php" method="post" enctype="multipart/form-data">
<input type="hidden" name="MAX_FILE_SIZE" value="1000000">
选择文件：<input type="file" name="myfile">
<input type="submit" value="上传文件">
</form>
</body>
</html>
