Form Input Data HTML Ke MYSQL via PHP

<!DOCTYPE html>
<html>

    <head>

        <title>Contoh Bootstrap</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1">

        <link rel="stylesheet" href="css/bootstrap.min.css">

        <script src="js/jquery-3.3.1.min.js"></script>

        <script src="js/popper.min.js"></script>

        <script src="js/bootstrap.min.js"></script>


    </head>


    <body>

        <form class="form-horizontal" role="form" method="post" action="file1.php">

            <div class="form-group">

                <label for="kodebarang">KODE Barang</label>
                <input type="text" class="form-control" id="kodebarang" name="kodebarang" placeholder="Masukan Kode Barang">
            </div>


            <div class="form-group">

                <label for="hostname">Hostname</label>
                <input type="text" class="form-control" id="hostname" name="hostname" placeholder="Masukan Nama Host">

            </div>

            <div class="form-group">

                <label for="ipaddress">Alamat IP</label>
                <input type="text" class="form-control" id="ipaddress" name="ipaddress" placeholder="Masukan Alamat IP">
            </div>


            <div class="form-group">

                <label for="macaddress">Mac Address</label>
                <input type="text" class="form-control" id="macaddress" name="macaddress" placeholder="Masukan Alamat Mac">
            </div>


            <button type="submit" class="btn btn-primary" name="tombolSimpan">Simpan</button>


        </form>


    </body>

</html>