[英]PHP Grocery Crud Last Inserted Id not found
我想在保存到新頁面后重定向頁面,該頁面必須具有最后插入的id(主鍵)
$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 $this->db->insert_id()
始終返回0,我也嘗試使用callback_after_insert
函數並添加了以下代碼,但是此方法也總是返回0
function after_insert($post_array, $lastInsertedId) {
print_r($post_array);
echo " hello this is called ". $lastInsertedId. " ". $this->db->insert_id();
}
但這似乎不起作用,我只想要最后插入的ID並將其重定向到新頁面。 我已經瀏覽了雜貨雜貨網站和stackoverflow來解決此問題,並嘗試了幾乎所有可能的選擇,但似乎對此沒有任何效果。
嘗試這個:
$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'));
然后在插入后的回調將您的insert_id添加到Flash數據
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');
}
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