Model类function问题，新手求助

貝殼

RT，User_model.php

PHP复制代码

 
        function count_users()
        {
        $query_user=$this->db->query("SELECT * FROM `users` LIMIT 0, 30 ");
        return $query_user->num_rows();
        }
 

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Home.php

PHP复制代码

 
 public function index()
  {
                 $this->output->enable_profiler(TRUE);
         $this->load->model('User_model');
         $this->load->database();
         $this->load->helper('url');
         $data['user_num'] = $this->User_model->count_users;
         $this->load->view('header_view',$data);
                 $this->load->view('index_view');
         $this->load->view('footer_view');
  }

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报错：

1. 
   
2. A PHP Error was encountered
   
3. 
   
4. Severity: Notice
   
5. 
   
6. Message: Undefined property: Home::$count_users
   
7. 
   
8. Filename: core/Model.php
   
9. 
   
10. Line Number: 51
    

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求除错、求解决，帮忙者送几个积分

zhuzhuzhu

count_users后面要加括号吧。

jami918

同意沙发的见解。