根据 This Guide 和 previous question 的建议，我在 WooCommerce 中创建了一个注册表单，其中的字段是否可见取决于下拉/选择字段的值。在下拉列表中选择关联选项后变得可见的字段应该是必需的，但我在获取此功能时遇到问题。
我相信我的问题来自这样一个事实:我的插件中调用“get_custom_fields”函数的任何函数都会获取手动输入的字段数组的初始值。在此声明中，我将最初隐藏的字段分配为“off”类，这允许在隐藏时跳过它。
如何根据当前是否具有“off”类而不是是否使用“off”类初始化来要求这些字段？我将在下面发布我的插件代码。
<?php
/*
Plugin Name: Education - Custom Account Fields
Plugin Author: Case Silva
*/
//Create Custom Fields
if(!function_exists('get_custom_fields')){
function get_custom_fields(){
return apply_filters('custom_fields', array(
'verified_education_acct' => array(
'type' => 'checkbox',
'label' => __('Verified?'),
'required' => false,
'hide_in_account' => true,
'hide_in_admin' => false,
'hide_in_registration' => true,
'hide_in_checkout' => true
),
'customer_id_num' => array(
'type' => 'text',
'label' => __('Customer ID# (Acumatica)'),
'placeholder' => __('e.g. 1234567890'),
'required' => false,
'hide_in_account' => true,
'hide_in_admin' => false,
'hide_in_checkout' => true,
'hide_in_registration' => true
),
'account_type' => array(
'type' => 'select',
'label' => __('What type of account will this be?'),
'options' => array(
'' => __('Select an option...'),
1 => __('Education'),
2 => __('Standard')
),
'required' => true,
'hide_in_account' => true,
'hide_in_admin' => false,
'hide_in_checkout' => false,
'hide_in_registration' => false,
'js_trigger' => true
),
'school_name' => array(
'type' => 'text',
'label' => __('School Name'),
'class' => array('form-row-wide off'),
'placeholder' => __('e.g. North Middle School'),
'required' => true,
'hide_in_account' => false,
'hide_in_admin' => false,
'hide_in_checkout' => false,
'hide_in_registration' => false,
'js_triggered_by' => 'account_type',
'js_show_val' => '1'
),
'school_address' => array(
'type' => 'text',
'label' => __('School Address'),
'class' => array('form-row-wide off'),
'placeholder'=> __('e.g. 123 Main St.'),
'required' => true,
'hide_in_account' => false,
'hide_in_admin' => false,
'hide_in_checkout' => false,
'hide_in_registration' => false,
'js_triggered_by' => 'account_type',
'js_show_val' => '1'
),
'school_city' => array(
'type' => 'text',
'label' => __('School City'),
'class' => array('form-row-wide off'),
'placeholder' => __('e.g. Chicago'),
'required' => true,
'hide_in_account' => false,
'hide_in_admin' => false,
'hide_in_checkout' => false,
'hide_in_registration' => false,
'js_triggered_by' => 'account_type',
'js_show_val' => '1'
),
));
}
}
//Add them to User Area
if(!function_exists('print_user_frontend_fields')){
function print_user_frontend_fields(){
$fields = get_custom_fields();
$user_logged_in = is_user_logged_in();
$enable_js = false;
$data_js = [];
//Hide conditional form field (with "off" class)
echo '<style>p.form-row.off{display:none;}</style>';
foreach ($fields as $key => $field_args) {
$value = null;
if($user_logged_in && !empty($field_args['hide_in_account'])){
continue;
}
if(! $user_logged_in && ! empty($field_args['hide_in_registration'])){
continue;
}
if($is_user_logged_in){
$user_id = get_edit_user_id();
$value = get_userdata($user_id, $key);
}
$value = isset($field_args['value']) ? $field_args['value'] : $value;
if(isset($field_args['js_trigger']) && $field_args['js_trigger']){
$enable_js = true;
}
if(isset($field_args['js_triggered_by']) && $field_args['js_show_val']){
$data_js[$key] = [$field_args['js_triggered_by'] => $field_args['js_show_val']];
}
woocommerce_form_field($key, $field_args, $value);
}
if($user_logged_id || ! $enable_js) return;
//jQuery for conditional visibility
?>
<script type = 'text/javascript'>
jQuery(function($){
var a = <?php echo json_encode($data_js)?>;
$.each(a, function(b,o){
$.each(o, function(k,v){
$('#'+k).on('change', function(){
var cf = '#'+b+'_field';
if($(this).val()==v && $(cf).hasClass('off')){
$(cf).find("input").addClass('required_field');
$(cf).removeClass('off');
} else if($(this).val() != v && ! $(cf).hasClass('off')){
$(cf).find("input").removeClass('required_field');
$(cf).addClass('off');
}
});
});
});
});
</script>
<?php
}
}
//Add them to Admin Area
if(!function_exists('print_user_admin_fields')){
function print_user_admin_fields(){
$fields = get_custom_fields();
?>
<h2><?php _e('Education/School Information'); ?></h2>
<table class = "form-table" id = "additional-information">
<tbody>
<?php foreach ($fields as $key => $field_args) { ?>
<?php
if(! empty($field_args['hide_in_admin'])){
continue;
}
$user_id = get_edit_user_id();
$value = st_get_userdata($user_id, $key);
?>
<tr>
<th>
<label for="<?php echo $key; ?>"><?php echo $field_args['label']; ?></label>
</th>
<td>
<?php $field_args['label'] = false; ?>
<?php woocommerce_form_field($key, $field_args, $value); ?>
</td>
</tr>
<?php } ?>
</tbody>
</table>
<?php
}
}
//Save them to the database
if(!function_exists('save_acct_fields')){
function save_acct_fields($customer_id){
$fields = get_custom_fields();
$sanitized_data = array();
foreach ($fields as $key => $field_args) {
if(! is_field_visible($field_args)){
continue;
}
$sanitize = isset($field_args['sanitize']) ? $field_args['sanitize'] : 'wc_clean';
$value = isset($_POST[$key]) ? call_user_func($sanitize, $_POST[$key]) : '';
if(is_userdata($key)){
$sanitized_data[$key] = $value;
continue;
}
update_user_meta($customer_id, $key, $value);
}
if(! empty($sanitized_data)){
$sanitized_data['ID'] = $customer_id;
wp_update_user($sanitized_data);
}
}
}
//Check if field is visible on page
if(!function_exists('is_field_visible')){
function is_field_visible($field_args){
$visible = true;
$action = filter_input(INPUT_POST, action);
if(is_admin() && ! empty($field_args['hide_in_admin'])){
$visible = false;
} elseif((is_account_page() || $action === 'save_account_details') && is_user_logged_in() && ! empty($field_args['hide_in_account'])){
$visible = false;
} elseif((is_account_page() || $action === 'save_account_details') && ! is_user_logged_in() && ! empty($field_args['hide_in_registration'])){
$visible = false;
} elseif(is_checkout() && ! empty($field_args['hide_in_checkout'])){
$visible = false;
}
return $visible;
}
}
//Check if field is predefined
if(!function_exists('is_userdata')){
function is_userdata($key){
$userdata = array(
'user_pass',
'user_login',
'user_nicename',
'user_url',
'user_email',
'display_name',
'nickname',
'first_name',
'last_name',
'description',
'rich_editing',
'user_registered',
'role',
'jabber',
'aim',
'yim',
'show_admin_bar_front'
);
return in_array($key, $userdata);
}
}
//Verify required fields have value
if(!function_exists('validate_frontend_fields')){
function validate_frontend_fields($errors){
$fields = get_custom_fields();
foreach ($fields as $key => $field_args) {
//Skip if nothing in 'required' field
if(empty($field_args['required'])){
continue;
}
//Skip if set to be hidden in account
if(!isset($_POST['register']) && ! empty($field_args['hide_in_account'])){
continue;
}
//Skip if set to be hidden in registration
if(isset($_POST['register']) && ! empty($field_args['hide_in_registration'])){
continue;
}
if(empty($_POST[$key])){
$message = sprintf(__('%s is a required field.'), '<strong>' . $field_args['label'] . '</strong>');
$errors -> add($key, $message);
}
}
return $errors;
}
}
//Populate form with submitted data
if(!function_exists('get_edit_user_id')){
function get_edit_user_id(){
return isset($_GET['user_id']) ? (int) $_GET['user_id'] : get_current_user_id();
}
}
//Re-fill entries on Registration error
if(!function_exists('add_post_data_to_account_fields')){
function add_post_data_to_account_fields($fields){
if(empty($_POST)){
return $fields;
}
foreach($fields as $key => $field_args){
if(empty($_POST[$key])){
$fields[$key]['value'] = '';
continue;
}
$fields[$key]['value'] = $_POST[$key];
}
return $fields;
}
}
//Access saved data
if(!function_exists('st_get_userdata')){
function st_get_userdata($user_id, $key){
if(!is_userdata($key)){
return get_user_meta($user_id, $key, true);
}
$userdata = get_userdata($user_id);
if(!$userdata || ! isset($userdata->{$key})){
return '';
}
return $userdata->{$key};
}
}
add_action('woocommerce_register_form', 'print_user_frontend_fields', 10);
add_action('woocommerce_edit_account_form', 'print_user_frontend_fields', 10);
add_action('show_user_profile', 'print_user_admin_fields', 30);
add_action('edit_user_profile', 'print_user_admin_fields', 30);
add_action('woocommerce_created_customer', 'save_acct_fields');
add_action('personal_options_update', 'save_acct_fields');
add_action('edit_user_profile_update', 'save_acct_fields');
add_action('woocommerce_save_account_details', 'save_acct_fields');
add_filter('woocommerce_registration_errors', 'validate_frontend_fields', 10);
add_filter('woocommerce_save_account_details_errors', 'validate_frontend_fields', 10);
add_filter('custom_fields', 'add_post_data_to_account_fields', 10, 1);
?>
最佳答案
对于自定义注册字段验证，您将使用以下代码:
// Conditional Field validation
add_action( 'woocommerce_register_post', 'conditional_fields_validation', 10, 3 );
function conditional_fields_validation( $username, $email, $validation_errors ) {
if ( isset( $_POST['account_type'] ) && empty($_POST['account_type']) )
$validation_errors->add( 'account_type', __( 'Please choose an account type', 'woocommerce' ) );
if( isset( $_POST['account_type'] ) && $_POST['account_type'] === '1' ) {
if( isset( $_POST['school_name'] ) && empty($_POST['school_name']) )
$validation_errors->add( 'account_type', __( '"School name" is a required field', 'woocommerce' ) );
if( isset( $_POST['school_address'] ) && empty($_POST['school_address']) )
$validation_errors->add( 'account_type', __( '"School address" is a required field', 'woocommerce' ) );
if( isset( $_POST['school_city'] ) && empty($_POST['school_city']) )
$validation_errors->add( 'account_type', __( '"School city" is a required field', 'woocommerce' ) );
}
return $validation_errors;
}
代码位于事件子主题(或事件主题)的 function.php 文件中。经过测试并有效。
关于php - 在 WooCommerce 中启用自定义条件注册字段验证，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/53620885/