我正在尝试使用Codeigner 在表单选择元素中选择选项项
型号
function get_sections_provider($provider)
{
$this->db->select('*');
$this->db->from('providers');
$this->db->where('providers.id', $provider);
$this->db->join('sections', 'sections.id = providers.section_id');
$query = $this->db->get();
return $query->result();
}
function get_all_sections_element()
{
$query = $this->db->get('sections');
return $query->result();
}
控制器
public function edit($id)
{
$data['element'] = $this->admin_model_providers->get_element_provider($id);
$data['element']->sections = $this->admin_model_providers->get_sections_provider($id);
$data['element']->sections_all = $this->admin_model_providers->get_all_sections_element();
$data['title'] = '';
$this->load->view('admin/admin_provider_edit', $data);
}
查看
<?
foreach($element->sections as $key => $row){
$selected[$key] = $row->id;
}?>
<select name="sections" class="chosen-select" id="" data-placeholder="" multiple>
<?
foreach($element->sections_all as $key => $value){?>
<option value="<?=$value->id?>" <?=(in_array($value->id, $selected) ) ? "selected = 'selected'" : "" ;?> ><?=$value->title;?></option>
<?}
?>
</select>
结果是最后一个id对不起,我不能详细描述这个问题,因为我的英语不好
试试看:
<?php
$array = null ; // $array[''] = 'Select'; // Use of need Default like Select
$select_value='';
foreach ($element->sections as $value) {
$array[$value->id] = $value->name;
}
echo form_dropdown('name', $array, $select_value, $style);
?>
如果这对你有用,这可能会帮助你尝试这段代码。。
foreach($element->sections_all as $key => $value){
<option value="<?php echo $value['id'];>" <?php echo (in_array($value['id']),$element['sections'][$key]['id']) ? "selected = 'selected'" : "" ;?>><?php echo $value['title'];?></option>
}
$selected
是一个数组。如果你想在foreach中比较它的一个元素,请尝试:
foreach($element->sections as $key => $row){
$selected[$key] = $row->id;
}
发生比较的Foreach:
foreach ($element->sections_all as $k => $section) {
if ($section->id == $selected[$k]){
//etc...