我试图与模型下面的查询来查询数据库:笨消息:未定义的属性:stdClass的
function showSpecific(){
$all = $this->session->all_userdata();
$name = $all['u_name'];
$id = $this->db
->select('u_id')
->from('users')
->where('u_name', $name)
->get()
->row();
$id = $id->u_id;
$data = $this->db->query("SELECT messages.m_id, messages.post_id, messages.m_betreff, messages.an_user, messages.von_user, messages.m_time, users.u_id, users.u_name, posts.p_titel, users.u_id, messages.m_content
FROM messages
INNER JOIN users
ON messages.von_user=users.u_id
INNER JOIN posts
ON messages.post_id=posts.post_id
WHERE messages.an_user='$id'
ORDER BY messages.m_time DESC");
return $data;
}
但是当我尝试输出结果的看法:
<?php foreach ($query->result() as $row)
{
echo '<tr><td>';
echo anchor('users/showUser/'.$row->u_id, $row->u_name);
echo '</td><td>';
echo $row->m_betreff;
echo '</td><td>';
echo $row->m_content;
echo '</td><td>';
echo anchor('posts/showSpecific/'.$row->post_id, $row->p_titel);
echo '</td><td>';
echo $row->m_time;
echo '</td></tr>';
}
?>
只有m_content得到这个错误:为什么它是唯一的一个?我该如何解决这个问题?
A PHP Error was encountered
Severity: Notice
Message: Undefined property: stdClass::$m_content
Filename: views/specific_message.php
Line Number: 48
这里是我的控制器:
function showSpecific(){
$this->load->model('messages_model');
$data['query'] = $this->messages_model->getMessages();
$data['main_content'] = 'specific_message';
$this->load->view('includes/login_template', $data);
}
非常感谢!
尝试'的var_dump($查询 - >结果())',看看是m_content问题。另一个建议是不要在视图文件中使用mysql查询,仅将它们用于模板 – safarov 2012-03-20 18:37:31
你会得到其他值吗? – 2012-03-20 19:14:33
是打印所有其他值。该查询在模型中,对不起,我忘了复制该代码行。感谢您的建议,我会尝试再回答。谢谢! – Linus 2012-03-20 19:18:05