kode tambah siswa

<div class="container-fluid px-4">
<h1 class="mt-4">Data Siswa</h1>
<div class="card mb-4 col-md-8">
<div class="card-header">
<h5> Tambah Siswa </h5>
</div>
<div class="card-body">
<form action='' method="POST" enctype='multipart/form-data'>
<div class="form-floating mb-3">
<input class="form-control" type="text" name="a">
<label>NIS</label>
</div>
<div class="form-floating mb-3">
<input class="form-control" type="text" name="b">
<label>Nama Siswa</label>
</div>
<div class="form-floating mb-3">
<input class="form-control" type="text" name="c">
<label>Jenis Kelamin</label>
</div>
<div class="form-floating mb-3">
<input class="form-control" type="text" name="d">
<label>Alamat</label>
</div>
<div class="form-floating mb-3">
<input class="form-control" type="file" name="e">
<label>Foto Siswa</label>
</div>
<div class="d-grid">
<button class="btn btn-primary btn-block" type="submit" name="simpan">Simpan</button>
</div>
</form>
</div>
</div>
</div>