我怎么尽遇到怪问题啊。。。

srain1997 · 发表于 2012-7-23 18:58:56

Mhome.php（模型）
<?php
class Mhome extends Model{
   function __construct()
{
   parent::Model();

}
function get_category()
{
   $query = $this->db->query('select * from category');
return $query->result();
}
}

home.php(控制器)
<?php
class Home extends Controller{
function __construct()
{
      parent::Controller();
}
function index()
{

      $this->load->model('Mhome');
   $date['category'] = $this->Mhome->get_category();
         $date['page_title'] = 'ci开发新闻发布系统';
      $this->load->view('header',$date);
      $this->load->view('index');
      $this->load->view('footer');
}
}

header.php(头部文件 )
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title><?=$page_title?></title>
<?foreach ($category as $row):?> 注：这里想循环输出category_name
<?=$row->category_name?>
<?endforeach;?>
</html>

一运行就出现这种错误提示：
A PHP Error was encounteredSeverity: Notice
Message:  Undefined variable: category
Filename: views/header.php
Line Number: 6

A PHP Error was encounteredSeverity: Warning
Message:  Invalid argument supplied for foreach()
Filename: views/header.php
Line Number: 6
那位大哥能解说一下先谢拉

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[已解决] 我怎么尽遇到怪问题啊。。。