谁能解释为什么我不能得到一个名为$siteID的变量传递到同一控制器内的另一个函数?
在第三个名为"get_orders_by_site"的函数中,我加载了一个不同的模型,它返回有关当前查看的建筑/站点/属性中引发的"订单"的信息。
站点控制器工作得很好,第一个函数列出了包含我所有属性的表,然后当单击其中一个时-第二个函数获得该选择的siteID,并返回进一步的'detail/data' -站点控制器函数1/2都与相同的模型相关,并返回来自相同表的信息。
我试图实现第三个函数,这将做一个类似的任务,但返回信息/数据从不同的表(网站)。siteID在订单中也是一个FK。我在phpmyadmin中创建了siteID表).
如果我需要进一步解释请让我知道-非常感谢!
<修改代码/strong>
<站点控制器/strong>
<?php
class Sites extends CI_Controller {
//Searches for a list of sites
public function search($sort_by = 'site_title', $sort_order = 'asc', $offset = 0)
{
$limit = 20;
$data['columns'] = array(
'site_title' => 'Site Name',
'site_uprn' => 'Unique Property Reference'
);
$this->load->model('site_model');
$results = $this->site_model->get_sites($limit, $offset, $sort_by, $sort_order);
$data['sites'] = $results['rows'];
$data['num_results'] = $results['num_rows'];
//pagination for list returned
$this->load->library('pagination');
$config = array ();
$config['base_url'] = site_url("Sites/search/$sort_by/$sort_order");
$config['total_rows'] = $data['num_results'];
$config['per_page'] = $limit;
$config['uri_segment'] = 5;
$this->pagination->initialize($config);
$data['pagination'] = $this->pagination->create_links();
$data['sort_by'] = $sort_by;
$data['sort_order'] = $sort_order;
$this->load->view('search', $data);
}
//Displays individual site details
//passes selected siteID to the model, and returns only database/info for that particular building/property
public function details($siteID){
$this->load->model('site_model');
$data['site']=$this->site_model->get_site($siteID);
$this->load->view('site', $data);
$this->load->view('orders', $data);
}
//第二个函数应该做类似的方法如上,但是我已经加载了一个不同的模型,因为我从不同的数据库表中获取信息-但我仍然希望返回的数据受到用户选择的建筑/站点ID的限制。
public function orders_by_site($siteID, $sort_by = 'orderID', $sort_order = 'asc', $offset = 0)
{
$this->load->model('site_model');
$this->load->model('order_model');
$limit = 20;
$data['columns'] = array(
'orderID' => 'Order No.',
'initiated_date' => 'Initiated Date',
'target_date' => 'Target Date',
'status' => 'Status',
'priority' => 'Priority',
'trade_type' => 'Trade Type'
);
$results = $this->site_model->get_site($siteID);
$results = $this->order_model->get_orders($siteID, $limit, $offset, $sort_by, $sort_order);
$data['orders'] = $results['rows'];
$data['num_results'] = $results['num_rows'];
//pagination for orders table
$this->load->library('pagination');
$config = array ();
$config['base_url'] = site_url("Orders/orders_by_site/$sort_by/$sort_order");
$config['total_rows'] = $data['num_results'];
$config['per_page'] = $limit;
$config['uri_segment'] = 6;
$this->pagination->initialize($config);
$data['pagination'] = $this->pagination->create_links();
$data['sort_by'] = $sort_by;
$data['sort_order'] = $sort_order;
$this->load->view('orders', $data);
}
}
终端站点控制器
<网站模型/strong>
//获取所有站点数据
function get_sites($limit, $offset, $sort_by, $sort_order){
$sort_order = ($sort_order == 'desc') ? 'desc' : 'asc';
$sort_columns = array('site_title', 'site_uprn');
$sort_by = (in_array($sort_by, $sort_columns)) ? $sort_by : 'site_title';
$q = $this->db->select('siteID, site_title, site_uprn')
->from('sites')
->limit($limit, $offset)
->order_by($sort_by, $sort_order);
$ret['rows'] = $q->get()->result();
//count query for sites
$q = $this->db->select('COUNT(*) as count', FALSE)
->from('sites');
$tmp = $q->get()->result();
$ret['num_rows'] = $tmp[0]->count;
return $ret;
}
//获取各个站点的数据
function get_site($siteID){
$this->db->select()->from('sites')->where(array('siteID' => $siteID));
$query = $this->db->get();
return $query->first_row('array');
}
}
< 订单模型/strong> } 站点视图-仅显示我试图嵌入订单视图的摘录 命令视图/strong> //order table
function get_orders($siteID, $orderID, $limit, $offset, $sort_by, $sort_order){
$sort_order = ($sort_order == 'desc') ? 'desc' : 'asc';
$sort_columns = array('orderID', 'initiated_date', 'target_date','completion_date','status','priority','total_amount','job_description','requestor_name','requestor_telno','trade_type');
$sort_by = (in_array($sort_by, $sort_columns)) ? $sort_by : 'orderID';
$q = $this->db->select()->from('orders')->where(array('siteID' => $siteID))->limit($limit, $offset)->order_by($sort_by, $sort_order);
$ret['rows'] = $q->get()->result();
}
//order details
function get_order($orderID){
$this->db->select()->from('orders')->where(array('orderID' => $orderID));
$query = $this->db->get();
return $query->first_row('array');
}
<<h5>Order Details</h5>
<?php include('orders.php')?>
</div>
</div>
</div>
<div id="site_filter">
<div class="result_counter">
<h5>Found <?php echo $num_results; ?> Orders</h5>
</div>
<div class="pagination">
<?php if(strlen($pagination)): ?>
Page: <?php echo $pagination; ?>
<?php endif; ?>
</div>
</div>
<div class="clear_float"></div>
<table class="table">
<thead>
<?php foreach($columns as $column_name => $column_display): ?>
<th <?php if ($sort_by == $column_name) echo "class='"sort_$sort_order'"" ?>>
<?php echo anchor("Sites/orders_by_site/$column_name/" .
(($sort_order == 'asc' && $sort_by == $column_name) ? 'desc' : 'asc') ,
$column_display); ?>
</th>
<?php endforeach; ?>
</thead>
<tbody>
<?php foreach($orders as $order): ?>
<tr>
<td><a href="<?php echo base_url(); ?>Orders/order_detail/<?php echo $order->orderID; ?>"><?php echo $order->orderID; ?></a></td>
<td><?php echo $order->initiated_date; ?></td>
<td><?php echo $order->target_date; ?></td>
<td><?php echo $order->status; ?></td>
<td><?php echo $order->priority; ?></td>
<td><?php echo $order->trade_type; ?></td>
</tr>
<?php endforeach; ?>
</tbody>
</table>
好了,这里有几件事——我需要一些帮助
在orders_by_site
方法中,您将覆盖results
变量:
$results = $this->site_model->get_site($siteID);
$results = $this->order_model->get_orders($siteID, $limit, $offset, $sort_by, $sort_order);
另外,你加载视图的方式是不正确的。你像这样加载你的视图:
$this->load->view('site', $data);
$this->load->view('orders', $data);
你需要做的是:
// you need to get the "contents" of the `orders` view in a variable
// and pass that to the `site` view
$data['orders'] = $this->load->view('orders', $data, TRUE);
$this->load->view('site', $data);
并将站点视图更改为:
<h5>Order Details</h5>
<?php echo $orders; ?>
</div>
</div>
</div>
我相信还有更多的事情要做,但这就是我从你的问题和评论中所看到的。
@swatkins -
非常感谢你的帮助,你强调了我忽略的一些问题——我现在已经用不同的方式处理了。
最初我试图使用活动记录(我相信)从一个表中选择数据,基于从不同表中选择记录-然后将此选择传递到另一个模型并在get_where语句中使用它。
我已经设法让这工作使用$this->uri->段()方法在我的控制器,然后传递到相应的模型。
现在我能够利用用户选择的"建筑/属性"名称,它的地址等-然后我有第二个模型,它检索"订单/工作",已经提出了在该建筑