[英]PHP Grocery Crud Last Inserted Id not found
我想在保存到新页面后重定向页面,该页面必须具有最后插入的id(主键)
$crud = new grocery_CRUD();
// $crud->set_theme('datatables');
$crud->set_table('visitor');
$crud->set_subject('Visitor');
$crud->required_fields('id');
$crud->columns('event_type', 'name', 'number', 'email', 'company_name', 'designation');
$crud->set_relation('event_type', 'event_type', 'event');
$crud->field_type('visitor_type', 'dropdown', array('1' => 'Visitor', '2' => 'Exhibitor', '3' => 'Staff'));
$crud->callback_before_insert(array($this, 'insert_data_callback'));
$crud->callback_after_insert(array($this, 'after_insert'));
$crud->change_field_type('date', 'invisible');
$crud->set_lang_string('insert_success_message',
'Your data has been successfully stored into the database.<br/>Please wait while you are redirecting to the list page.
<script type="text/javascript">
window.location = "'.site_url('visitor').'/'.'barcode/'.$this->db->insert_id().'";
</script>
<div style="display:none">
'
);
其中window.location = "'.site_url('visitor').'/'.'barcode/'.$this->db->insert_id().'";
是最主要的 $this->db->insert_id()
始终返回0,我也尝试使用callback_after_insert
函数并添加了以下代码,但是此方法也总是返回0
function after_insert($post_array, $lastInsertedId) {
print_r($post_array);
echo " hello this is called ". $lastInsertedId. " ". $this->db->insert_id();
}
但这似乎不起作用,我只想要最后插入的ID并将其重定向到新页面。 我已经浏览了杂货杂货网站和stackoverflow来解决此问题,并尝试了几乎所有可能的选择,但似乎对此没有任何效果。
尝试这个:
$query = $this->db->query('SELECT LAST_INSERT_ID()');
$row = $query->row_array();
然后使用
$row['LAST_INSERT_ID()'];
在您的控制器上:
$crud->set_lang_string('insert_success_message',
'Your data has been successfully stored into the database. <br/>Please wait while you are redirecting to the list page.
<script type="text/javascript">
window.location = "'.site_url(strtolower(__CLASS__).'/redirect_to_url/').'";
</script>
<div style="display:none">
'
);
$crud->callback_after_insert(array($this,'_something_after_insert'));
然后在插入后的回调将您的insert_id添加到Flash数据
function _something_after_insert($post_array, $primary_key)
{
$this->session->set_flashdata('last_pk', $primary_key);
return true;
}
然后您的方法重定向
function redirect_to_url()
{
redirect(base_url('something/edit/'.$this->session->flashdata('last_pk')),'refresh');
}
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.