Drupal 7 Drupal7:在州、市和分支机构的3个下拉列表中选择,它应该用谷歌地图显示地址吗?我该怎么做?给我建议? 创建表单并将值存储在数据库中
$form[contact_options][state_select]=数组 type=>select, title=>t选择您所在的州, 选项=>$states\u类型, description=>t选择状态。, 'attributes'=>array'id'=>array'SelectType', 'onchange'=>'getStatethis.value', ; 从数据库中获取值 使用on change值时。若我选择state的值,那个么我将如何分配给另一个表单,并根据我从数据库中选择的state得到城市的结果。Drupal 7 Drupal7:在州、市和分支机构的3个下拉列表中选择,它应该用谷歌地图显示地址吗?我该怎么做?给我建议? 创建表单并将值存储在数据库中,drupal-7,Drupal 7,$form[contact_options][state_select]=数组 type=>select, title=>t选择您所在的州, 选项=>$states\u类型, description=>t选择状态。, 'attributes'=>array'id'=>array'SelectType', 'onchange'=>'getStatethis.value', ; 从数据库中获取值 使用on change值时。若我选择state的值,那个么我将如何分配给另一个表单,并根据我从数据库中选
$form['ver_ajax_dropdown']['state'] = array(
'#title' => t('State'),
'#type' => 'select',
'#options' => _load_state(),
'#ajax' => array(
'event'=>'change',
'callback' =>'ver_ajax_dropdown_city',
'wrapper' => 'city-wrapper',
),
);
$options = array('- Select City -');
if (isset($form_state['values']['state'])) {
$options = _load_city($form_state['values']['state']);
}
$form['ver_ajax_dropdown']['city'] = array(
'#title' => t('City'),
'#type' => 'select',
'#prefix' => '<div id="city-wrapper">',
'#suffix' => '</div>',
'#options' => $options,
'#ajax' => array(
'event'=>'change',
'callback' =>'ver_ajax_dropdown_branch',
'wrapper' => 'branch-wrapper',
),
);
$branch_options = array('- Select Branch -');
if (isset($form_state['values']['city'])) {
$branch_options = _load_branch($form_state['values']['city']);
}
$form['ver_ajax_dropdown']['branch'] = array(
'#title' => t('Branch'),
'#type' => 'select',
'#prefix' => '<div id="branch-wrapper">',
'#suffix' => '</div>',
'#options' => $branch_options,
'#ajax' => array(
'wrapper' => 'contact_ajax_wrapper',
'callback' => 'contact_form_ajax',
),
);
function ver_ajax_dropdown_city($form, $form_state) {
return $form['ver_ajax_dropdown']['city'];
}
function ver_ajax_dropdown_branch($form, $form_state) {
return $form['ver_ajax_dropdown']['branch'];
}
function contact_form_ajax($form, $form_state) {
return $form['results'];
}
function _load_state() {
$state = array('- Select State -');
$query = db_select("vercontact_mapping", "a");
$query->distinct();
$query->fields("a", array('state'));
$query->orderBy("a.state");
$result = $query->execute();
while($row = $result->fetchObject()){
$state[$row->state] = $row->state;
}
//print_r($province);
return $state;
}
function _load_city($state) {
$city = array('- Select City -');
$query = db_select("vercontact_mapping", "a");
$query->distinct();
$query->fields("a", array('state','city'));
$query->condition("a.state", $state);
$query->orderBy("a.city");
$query->groupBy("a.city");
$result = $query->execute();
while($row = $result->fetchObject()){
$city[$row->city] = $row->city;
}
//print_r($city);
return $city;
}
function _load_branch($city) {
$branch = array('- Select Branch -');
$query = db_select("vercontact_mapping", "a");
$query->distinct();
$query->fields("a", array('city','branch'));
$query->condition("a.city", $city);
$query->orderBy("a.branch");
$query->groupBy("a.branch");
$result = $query->execute();
while($row = $result->fetchObject()){
$branch[$row->branch] = $row->branch;
}
return $branch;
}