我一直在努力让它发挥作用,但似乎无济于事。
问题是,数据没有在 View 中显示为组合框,它显示了这个错误;
A PHP Error was encountered Severity: Notice Message: Undefined property: stdClass::$Campus Filename: views/energy_search_campus.php Line Number: 28 " >c_name.
所以不知道问题出在哪里……在模型、 View 、 Controller 甚至数据库中。提前致谢。
型号:
function campus_finder()
{
$this->db->group_by('campus');
$this->db->order_by('faculty', 'asc');
$query = $this->db->get('cpanel_energy');
if($query->num_rows()>0) {
foreach($query->result() as $row) {
$services[$row->id] = $row;
}
return $services;
}
}
查看:
<div class="finder">
<div>
<label>Campus</label>
</div>
<select
id="campus"
name="campus"
class="form-control"
>
<option value="">----</option>
<?php foreach($catalogue as $item): ?>
<option value="<?php echo $item->Campus; ?>"
<?php if($campus) echo ($item->campus==$campus)? 'selected' : ''; ?>
><?php echo $item->campus; ?></option>
<?php endforeach; ?>
</select>
</div>
Controller :
function campus_search()
{
$submit = $this->input->post('send');
$campus = $this->input->post('campus');
$year = $this->input->post('year');
if($submit=='goback')
{
redirect("energy/catalogue/");
}
else
{
$data['catalogue'] = $this->model_energy_consumption->campus_finder();
$data['voucher'] = $this->model_energy_consumption->results_campus();
$data['services'] = $this->modelo_energy_consumption->services_catalogue_campus();
$data['campus'] = $campus;
$data['year'] = $year;
数据库:
MAINTENANCE_JOB_ITEMS
|----|---------|---------|--------|
| id | account | faculty | campus |
|----|---------|---------|--------|
1 898946 f_name c_name
最佳答案
在模型中,您返回 $services ,但值保存在 $servicios 变量中
关于php - Codeigniter "group_by"查询不起作用?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38313640/