php 新手 问题

Question

model
classStock_modelextendsCI_Model{
private$hsh;
function__construct()
{
parent::__construct();
$_ci=&get_instance();
//$this->hsh=$_ci->load->database('hsh',TRUE);
$hsh=$_ci->load->database('hsh',TRUE);
}
functionget_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();
}
}
}
报错
APHPErrorwasencountered
Severity:Notice
Message:Undefinedvariable:hsh
Filename:models/stock_model.php
LineNumber:22

Answer 1

//$this->hsh=$_ci->load->database('hsh',TRUE);$hsh=$_ci->load->database('hsh',TRUE);Message:Undefinedvariable: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。

Answer 2

$hsh换成$this->hsh