我正在尝试构建一个联系表单,允许用户选择上课日期,并且我想限制提交的数量,以免过度预订课程。我通常每周提供一堂课,每堂课最多 12 个座位。我一直在到处搜索,但找不到一种方法来限制下拉菜单中的选择,只允许提交 12 次。例如,如果在下拉列表中我的下一堂课是 4 月 9 日,那么一旦提交了 12 次选择 4 月 9 日的表格,我需要将 4 月 9 日灰显并且不再可选择。我已经尝试了多个预订日历插件,对于这个简单的任务来说它们都太复杂或者不够复杂,我真的很喜欢我现有的联系表单 7 已经工作的方式,因为它是唯一允许签名字段的表单之一。我只需要能够限制联系表单中一个特定问题的选择。任何帮助将不胜感激。
我目前正在使用智能网格布局,这是我插入到functions.php文件中的代码
add_filter(
'cf7sg_dynamic_dropdown_custom_options','dayClass_dynamic_options',10,3);
function dayClass_dynamic_options($options, $name, $cf7_key){
if('training-school-application_copy'!==$cf7_key || 'dayClass' !== $name){
return $options;
}
$data = array (
'April 16th - 17th' => "val1",
'May 21st - 22nd' => "val2",
'June 18th - 19th' => "val3",
'July 16th - 17th' => "val4",
);
$options='<option value="">Select a Date</option>'.PHP_EOL;
foreach($data as $label=>$value){
$options .= '<option value="'.$value.'">'.$label.'</option>'.PHP_EOL;
}
return $options;
}
add_filter(
'cf7sg_dynamic_dropdown_custom_options','recert_dynamic_options',10,3);
function recert_dynamic_options($options, $name, $cf7_key){
if('training-school-application_copy'!==$cf7_key || 'recert' !== $name){
return $options;
}
$data2 = array (
'April 6th' => "val1",
'May 4th' => "val2",
'June 1st' => "val3",
'July 6th' => "val4",
);
$options='<option value="">Select a Date</option>'.PHP_EOL;
foreach($data2 as $label=>$value){
$options .= '<option value="'.$value.'">'.$label.'</option>'.PHP_EOL;
}
return $options;
}
add_filter(
'cf7sg_dynamic_dropdown_custom_options','combo_dynamic_options',10,3);
function combo_dynamic_options($options, $name, $cf7_key){
if('training-school-application_copy'!==$cf7_key || 'combo' !== $name){
return $options;
}
$data3 = array (
'April 14th - 17th' => "val1",
'May 19th - 22nd' => "val2",
'June 16th - 19th' => "val3",
'July 14th - 17th' => "val4",
);
$options='<option value="">Select a Date</option>'.PHP_EOL;
foreach($data3 as $label=>$value){
$options .= '<option value="'.$value.'">'.$label.'</option>'.PHP_EOL;
}
return $options;
}
然后,我将此代码插入到联系表单中,我正在使用条件字段根据表单中上一个问题的选择来显示相应的组
<div class="halfWidth">
[group dayClass][dynamic_select custom-list1 class:select2 "source:filter"]
[/group]
[group recert][dynamic_select custom-list2 class:select2 "source:filter"]
[/group]
[group combo][dynamic_select custom-list3 class:select2 "source:filter"]
[/group]
</div>
我不知道如何将选择限制为每个选项最多 12 个选择?有人可以告诉我如何在提交 12 次后限制和隐藏日期值吗?
@dragonetdesign,你有没有弄清楚如何将回复限制为 12 个?