|  | 
 
| model public function get_news($slug = FALSE){
 if($slug === FALSE){
 $query = $this->db->get('news');
 return $query->result_array();
 }
 $query = $this->db->get_where('news',array('id'=>$id));
 return $query->row_array();
 }
 controller
 
 public function view($slug){
 $data['news_item'] = $this->news_model->get_news($slug);
 if(empty($data['news_item'])){
 show_404();
 }
 $data['title'] = $data['news_item']['title'];
 $this->load->view('block/header',$data);
 $this->load->view('news/view',$data);
 $this->load->view('block/foot',$data);
 }
 view
 <?php
 echo '<h2>'.$news_item['title'].'</h2>';
 echo $news_item['text'];
 ?>
 
 模型和模块里的 $slug 代表是什么
 请各位大神回答 在下谢谢
 
 | 
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