Maison >développement back-end >tutoriel php >codeigniter - php 新手 问题
model
<code> class Stock_model extends CI_Model{ private $hsh; function __construct() { parent::__construct(); $_ci = & get_instance(); //$this->hsh = $_ci->load->database('hsh',TRUE); $hsh = $_ci->load->database('hsh',TRUE); } function get_stock($goods_huo) { if(isset($goods_huo)) { $hsh->where('item_huo',$goods_huo); $query = $hsh->get('item_info'); return $query->result_array(); $query->free_result(); } } } </code>
报错
<code><h4>A PHP Error was encountered</h4> <p>Severity: Notice</p> <p>Message: Undefined variable: hsh</p> <p>Filename: models/stock_model.php</p> <p>Line Number: 22</p> <br> <b>Fatal error</b>: Call to a member function where() on a non-object in <b>D:\htdocs\application\models\stock_model.php</b> on line <b>22</b><br> </code>
刚学,很多问题不懂 ! 这是用的CI
model
<code> class Stock_model extends CI_Model{ private $hsh; function __construct() { parent::__construct(); $_ci = & get_instance(); //$this->hsh = $_ci->load->database('hsh',TRUE); $hsh = $_ci->load->database('hsh',TRUE); } function get_stock($goods_huo) { if(isset($goods_huo)) { $hsh->where('item_huo',$goods_huo); $query = $hsh->get('item_info'); return $query->result_array(); $query->free_result(); } } } </code>
报错
<code><h4>A PHP Error was encountered</h4> <p>Severity: Notice</p> <p>Message: Undefined variable: hsh</p> <p>Filename: models/stock_model.php</p> <p>Line Number: 22</p> <br> <b>Fatal error</b>: Call to a member function where() on a non-object in <b>D:\htdocs\application\models\stock_model.php</b> on line <b>22</b><br> </code>
刚学,很多问题不懂 ! 这是用的CI
<code class="lang-php">//$this->hsh = $_ci->load->database('hsh',TRUE); $hsh = $_ci->load->database('hsh',TRUE); </code>
Message: Undefined variable: hsh
未定义变量hsh
你把$hsh都改为$this->hsh。
随便建议一下,应该把基础打好了再用框架,过早使用框架只会抑制你的成长。
$hsh
换成 $this->hsh