class News_modelextends CI_Model{
public function __construct()
{
$this->load->database();
}
public function get_news($slug=FALSE){
if($slug == FASLE){
$query = $this->db->get('news'); //获取所有数据
return $query->result_array();
}
$query = $this->db->get_where('news',array('slug'=>$slug));
return $query->row_array(); //获取指定条件的数据
}
}
