public function input_siswa(){
$config['upload_path'] = './gambarfolder/';
$config['allowed_types'] = 'gif|jpg|png';
$config['max_size'] = '100';
$config['max_width'] = '1024';
$config['max_height'] = '768';
$this->load->library('upload');
$this->upload->initialize($config);
$location=base_url().'/gambarfolder/';
$pict=$location.$data_imge;
$nama_siswa = $this->input->post('nama_siswa');
$nis = $this->input->post('nis');
$id_jurusan = $this->input->post('id_jurusan');
$data = array(
'nama_siswa'=>$nama_siswa,
'nis'=>$nis,
'id_jurusan'=>$id_jurusan,
'gambar'=>$pict
);
$this->m_model->create('siswa',$data);
redirect(base_url('index.php/admin/tampil_siswa'));
}