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
页: 1 [2]
查看完整版本: 我怎么尽遇到怪问题啊。。。