结帐字段:隐藏和显示现有字段

本文介绍了结帐字段:隐藏和显示现有字段的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着跟版网的小编来一起学习吧！

问题描述

基于此有效答案:

//注册外部 jQuery/JS 文件函数 cfields_scripts() {//重要的提示://对于子主题，将 get_template_directory_uri() 替换为 get_stylesheet_directory_uri()//外部 cfields.js 文件位于活动子主题或主题的子文件夹js"中.wp_enqueue_script('checkout_script', get_template_directory_uri().'/js/cfields.js', array('jquery'), '1.0', true );}add_action('wp_enqueue_scripts', 'cfields_scripts');add_filter('woocommerce_checkout_fields', 'ba_custom_checkout_billing_fields');功能 ba_custom_checkout_billing_fields( $fields ) {//1. 创建额外的自定义计费字段//状态"选择器$fields['billing']['billing_status']['type'] = 'select';$fields['billing']['billing_status']['class'] = array('form-row-wide, status-select');$fields['billing']['billing_status']['required'] = true;$fields['billing']['billing_status']['label'] = __('Statut Juridic', 'theme_domain');$fields['billing']['billing_status']['placeholder'] = __('Alege statutul', 'theme_domain');$fields['billing']['billing_status']['options'] = array('1' =>__( 'Persona Fizica', 'theme_domain' ),'2' =>__( 'Persoana Juridica', 'theme_domain' ));//Nr.registrul comertului"文本字段(这个字段很常见)$fields['billing']['billing_ser_id']['type'] = 'text';$fields['billing']['billing_ser_id']['class'] = array('form-row-wide', 'status-group2');$fields['billing']['billing_ser_id']['required'] = true;//<== HERE 必须是true"，因为它总是被显示并且需要验证$fields['billing']['billing_ser_id']['label'] = __('Nr. Reg. Comert', 'theme_domain');$fields['billing']['billing_ser_id']['placeholder'] = __('Introdu numarul', 'theme_domain');//银行"文本字段$fields['billing']['billing_bt_id']['type'] = 'text';$fields['billing']['billing_bt_id']['class'] = array('form-row-wide', 'status-group2');$fields['billing']['billing_bt_id']['required'] = false;$fields['billing']['billing_bt_id']['label'] = __('Banca', 'theme_domain');$fields['billing']['billing_bt_id']['placeholder'] = __('Adauga Banca', 'theme_domain');//IBAN"文本字段$fields['billing']['billing_ib_id']['type'] = 'text';$fields['billing']['billing_ib_id']['class'] = array('form-row-wide', 'status-group2');$fields['billing']['billing_ib_id']['required'] = false;$fields['billing']['billing_ib_id']['label'] = __('IBAN', 'theme_domain');$fields['billing']['billing_ib_id']['placeholder'] = __('Adauga IBAN-ul', 'theme_domain');//CIF"文本字段$fields['billing']['billing_cf_id']['type'] = 'text';$fields['billing']['billing_cf_id']['class'] = array('form-row-wide', 'status-group2');$fields['billing']['billing_cf_id']['required'] = false;$fields['billing']['billing_cf_id']['label'] = __('Cod Fiscal', 'theme_domain');$fields['billing']['billing_cf_id']['placeholder'] = __('Adauga CIF-ul', 'theme_domain');//2. 对计费字段进行排序$fields_order = 数组('billing_first_name', 'billing_last_name', 'billing_email','billing_phone', 'billing_address_1', 'billing_address_2','billing_postcode', 'billing_city', 'billing_country','billing_status', 'billing_company', 'billing_ser_id','billing_bt_id', 'billing_ib_id', 'billing_cf_id');foreach($fields_order 作为 $field)$ordered_fields[$field] = $fields['billing'][$field];$fields['billing'] = $ordered_fields;//4. 返回 Checkout 自定义计费字段返回 $fields;}//处理结帐(检查必填字段是否不为空)add_action('woocommerce_checkout_process', 'ba_custom_checkout_field_process');功能 ba_custom_checkout_field_process() {如果(！$_POST['billing_ser_id'])wc_add_notice( __( '<strong>Nr. Reg. Comert</strong> 是必填字段.', 'theme_domain' ), 'error' );如果(！$_POST['billing_bt_id'])wc_add_notice( __( '<strong>Banca</strong> 是必填字段.', 'theme_domain' ), 'error' );如果(！$_POST['billing_ib_id'])wc_add_notice( __( '<strong>IBAN</strong> 是必填字段.', 'theme_domain' ), 'error' );如果(！$_POST['billing_cf_id'])wc_add_notice( __( '<strong>Cod Fiscal</strong> 是必填字段.', 'theme_domain' ), 'error' );}//使用自定义字段值向订单添加/更新元数据add_action('woocommerce_checkout_update_order_meta', 'ba_custom_checkout_field_update_order_meta');功能 ba_custom_checkout_field_update_order_meta( $order_id ) {$billing_company = $_POST['billing_company'];$billing_ser_id = $_POST['billing_ser_id'];$billing_bt_id = $_POST['billing_bt_id'];$billing_ib_id = $_POST['billing_ib_id'];$billing_cf_id = $_POST['billing_cf_id'];//对于个人将计费公司重置为"(无值)而不是否"如果 ( !empty($billing_company) && 'no' == $billing_company )update_post_meta( $order_id, '_billing_company', '' );如果 ( !empty($billing_ser_id) )update_post_meta( $order_id, '_billing_ser_id', sanitize_text_field( $billing_ser_id) );//只为公司添加/更新数据如果 ( !empty($billing_bt_id) && 'no' != $billing_bt_id )update_post_meta( $order_id, '_billing_bt_id', sanitize_text_field( $billing_bt_id) );//只为公司添加/更新数据如果 ( !empty($billing_ib_id) && 'no' != $billing_ib_id )update_post_meta( $order_id, '_billing_ib_id', sanitize_text_field( $billing_ib_id) );//只为公司添加/更新数据如果 ( !empty($billing_cf_id) && 'no' != $billing_cf_id )update_post_meta( $order_id, '_billing_cf_id', sanitize_text_field( $billing_cf_id) );}//在订单编辑页面上显示自定义字段标题/值add_action('woocommerce_admin_order_data_after_billing_address', 'ba_custom_checkout_field_display_admin_order_meta', 10, 1);功能 ba_custom_checkout_field_display_admin_order_meta( $order ){$输出 = '';$billing_ser_id = get_post_meta( $order->id, '_billing_ser_id', true );$billing_bt_id = get_post_meta( $order->id, '_billing_bt_id', true );$billing_ib_id = get_post_meta( $order->id, '_billing_ib_id', true );$billing_cf_id = get_post_meta( $order->id, '_billing_cf_id', true );如果(！空($billing_ser_id)){$output .=''.__( 'Nr. Reg. Comert', 'theme_domain' ) .':' .$billing_ser_id .'</p>';}如果 ( !empty($billing_bt_id) && 'no' != $billing_bt_id ){$output .='
'.__( 'Banca', 'theme_domain') .':' .$billing_bt_id .'</p>';}如果 ( !empty($billing_ib_id) && 'no' != $billing_ib_id ){$output .='
'.__( 'IBAN', 'theme_domain') .':' .$billing_ib_id .'</p>';}如果 ( !empty($billing_cf_id) && 'no' != $billing_cf_id ){$output .=''.__( '鳕鱼财政', 'theme_domain') .':' .$billing_cf_id .'</p>';}回声$输出；}

要在客户订单视图、Thankyou 页面、我的帐户订单视图和电子邮件通知上显示数据，请在 myfunction.php 文件中添加以下 2 个代码片段:

//在客户详细信息"区域显示订单视图数据add_action('woocommerce_order_details_after_customer_details','ba_add_values_to_order_item_meta', 10, 1 );功能 ba_add_values_to_order_item_meta( $order ) {$输出 = '';$billing_ser_id = get_post_meta( $order->id, '_billing_ser_id', true );$billing_bt_id = get_post_meta( $order->id, '_billing_bt_id', true );$billing_ib_id = get_post_meta( $order->id, '_billing_ib_id', true );$billing_cf_id = get_post_meta( $order->id, '_billing_cf_id', true );如果 ( !empty($billing_ser_id) )$输出.= '<tr><th>'.__( "Nr. Reg. Comert:", "woocommerce") .'<td>'.$billing_ser_id .'</td></tr>';如果 ( !empty($billing_bt_id) && 'no' != $billing_bt_id )$输出.= '<tr><th>'.__( "Banca:", "woocommerce") .'<td>'.$billing_bt_id .'</td></tr>';如果 ( !empty($billing_ib_id) && 'no' != $billing_ib_id )$输出.= '<tr><th>'.__( "IBAN:", "woocommerce") .'<td>'.$billing_ib_id .'</td></tr>';如果 ( !empty($billing_cf_id) && 'no' != $billing_cf_id )$输出.= '<tr><th>'.__( "鳕鱼财政:", "woocommerce" ) .'<td>'.$billing_cf_id .'</td></tr>';回声$输出；}//显示有关电子邮件通知的数据add_action('woocommerce_email_customer_details','ba_add_values_to_emails_notifications', 15, 4);功能 ba_add_values_to_emails_notifications( $order, $sent_to_admin, $plain_text, $email ) {$output = '';$billing_ser_id = get_post_meta( $order->id, '_billing_ser_id', true );$billing_bt_id = get_post_meta( $order->id, '_billing_bt_id', true );$billing_ib_id = get_post_meta( $order->id, '_billing_ib_id', true );$billing_cf_id = get_post_meta( $order->id, '_billing_cf_id', true );如果 ( !empty($billing_ser_id) )$output .=''.__( "Nr. Reg. Comert:", "woocommerce") .'</strong><span class="text">'.$billing_ser_id .'</span></li>';如果 ( !empty($billing_bt_id) && 'no' != $billing_bt_id )$output .='
'.__( "Banca:", "woocommerce") .'</strong><span class="text">'.$billing_bt_id .'</span></li>';如果 ( !empty($billing_ib_id) && 'no' != $billing_ib_id )$output .='
'.__( "IBAN:", "woocommerce") .'</strong><span class="text">'.$billing_ib_id .'</span></li>';如果 ( !empty($billing_cf_id) && 'no' != $billing_cf_id )$output .=''.__( "鳕鱼财政:", "woocommerce" ) .'</strong><span class="text">'.$billing_cf_id .'</span></li>';$output .= '</ul>';回声$输出；}

Javascript cfields.js 代码(外部文件):

//这个名为cfields.js"的文件位于您活动子主题或主题的子文件夹js"中jQuery(文档).ready(函数($){//通用序列号字段if(! $("#billing_ser_id_field").hasClass("validate-required") ){$("#billing_ser_id_field").addClass("validate-required");}//开始时要隐藏的 4 个字段(如果不是Persoana Juridica")if($("#billing_status option:selected").val() == "1"){$('#billing_company_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_company').val("no");});$('#billing_bt_id_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_bt_id').val("no");});$('#billing_ib_id_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_ib_id').val("no");});$('#billing_cf_id_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_cf_id').val("no");});}//选择器的动作(显示/隐藏和添加/删除类)$("#billing_status").change(function(){//对于Persoana Juridica"if($("#billing_status option:selected").val() == "2"){$('#billing_company_field').show(function(){$(this).addClass("validate-required");$('#billing_company').val("");});$('#billing_bt_id_field').show(function(){$(this).children('label').append(' <abbr class="required" title="required">*</abbr>' );$(this).addClass("validate-required");$('#billing_bt_id').val("");});$('#billing_ib_id_field').show(function(){$(this).children('label').append(' <abbr class="required" title="required">*</abbr>' );$(this).addClass("validate-required");$('#billing_ib_id').val("");});$('#billing_cf_id_field').show(function(){$(this).children('label').append(' <abbr class="required" title="required">*</abbr>' );$(this).addClass("validate-required");$('#billing_cf_id').val("");});}//对于Persona Fizica"else if($("#billing_status option:selected").val() == "1"){$('#billing_company_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_company').val("no");});$('#billing_bt_id_field').hide(function(){$(this).children("abbr.required").remove();$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_bt_id').val("no");});$('#billing_ib_id_field').hide(function(){$(this).children("abbr.required").remove();$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_ib_id').val("no");});$('#billing_cf_id_field').hide(function(){$(this).children("abbr.required").remove();$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_cf_id').val("no");});}});});

<块引用>

我的问题是:
选择 Persoana Juridica 时，如何隐藏 First name 和 Last name 字段?

谢谢

解决方案

我做了一些改动:

在ba_custom_checkout_billing_fields 钩子函数中轻松
主要在 javascript 外部文件中...

这是您所有的 PHP 代码:

//注册外部 jQuery/JS 文件函数 cfields_scripts() {//重要的提示://对于子主题，将 get_template_directory_uri() 替换为 get_stylesheet_directory_uri()//外部 cfields.js 文件位于活动子主题或主题的子文件夹js"中.wp_enqueue_script('checkout_script', get_template_directory_uri().'/js/cfields.js', array('jquery'), '1.0', true );}add_action('wp_enqueue_scripts', 'cfields_scripts');add_filter('woocommerce_checkout_fields', 'ba_custom_checkout_billing_fields');功能 ba_custom_checkout_billing_fields( $fields ) {//1. 创建额外的自定义计费字段//状态"选择器$fields['billing']['billing_status']['type'] = 'select';$fields['billing']['billing_status']['class'] = array('form-row-wide, status-select');$fields['billing']['billing_status']['required'] = true;$fields['billing']['billing_status']['label'] = __('Statut Juridic', 'theme_domain');$fields['billing']['billing_status']['placeholder'] = __('Alege statutul', 'theme_domain');$fields['billing']['billing_status']['options'] = array('1' =>__( 'Persona Fizica', 'theme_domain' ),'2' =>__( 'Persoana Juridica', 'theme_domain' ));//Nr.registrul comertului"文本字段(这个字段很常见)$fields['billing']['billing_ser_id']['type'] = 'text';$fields['billing']['billing_ser_id']['class'] = array('form-row-wide', 'status-group2');$fields['billing']['billing_ser_id']['required'] = false;$fields['billing']['billing_ser_id']['label'] = __('Nr. Reg. Comert', 'theme_domain');$fields['billing']['billing_ser_id']['placeholder'] = __('Introdu numarul', 'theme_domain');//银行"文本字段$fields['billing']['billing_bt_id']['type'] = 'text';$fields['billing']['billing_bt_id']['class'] = array('form-row-wide', 'status-group2');$fields['billing']['billing_bt_id']['required'] = false;$fields['billing']['billing_bt_id']['label'] = __('Banca', 'theme_domain');$fields['billing']['billing_bt_id']['placeholder'] = __('Adauga Banca', 'theme_domain');//IBAN"文本字段$fields['billing']['billing_ib_id']['type'] = 'text';$fields['billing']['billing_ib_id']['class'] = array('form-row-wide', 'status-group2');$fields['billing']['billing_ib_id']['required'] = false;$fields['billing']['billing_ib_id']['label'] = __('IBAN', 'theme_domain');$fields['billing']['billing_ib_id']['placeholder'] = __('Adauga IBAN-ul', 'theme_domain');//CIF"文本字段$fields['billing']['billing_cf_id']['type'] = 'text';$fields['billing']['billing_cf_id']['class'] = array('form-row-wide', 'status-group2');$fields['billing']['billing_cf_id']['required'] = false;$fields['billing']['billing_cf_id']['label'] = __('Cod Fiscal', 'theme_domain');$fields['billing']['billing_cf_id']['placeholder'] = __('Adauga CIF-ul', 'theme_domain');//2. 更改一些现有的计费字段//名字和姓氏，禁用必需"$fields['billing']['billing_first_name']['required'] = false;$fields['billing']['billing_last_name']['required'] = false;//3. 对计费字段进行排序$fields_order = 数组('billing_first_name', 'billing_last_name', 'billing_email','billing_phone', 'billing_address_1', 'billing_address_2','billing_postcode', 'billing_city', 'billing_country','billing_status', 'billing_company', 'billing_ser_id','billing_bt_id', 'billing_ib_id', 'billing_cf_id');foreach($fields_order 作为 $field)$ordered_fields[$field] = $fields['billing'][$field];$fields['billing'] = $ordered_fields;//4. 返回 Checkout 自定义计费字段返回 $fields;}//处理结帐(检查必填字段是否不为空)add_action('woocommerce_checkout_process', 'ba_custom_checkout_field_process');功能 ba_custom_checkout_field_process() {如果(！$_POST['billing_ser_id'])wc_add_notice( __( '<strong>Nr. Reg. Comert</strong> 是必填字段.', 'theme_domain' ), 'error' );如果(！$_POST['billing_bt_id'])wc_add_notice( __( '<strong>Banca</strong> 是必填字段.', 'theme_domain' ), 'error' );如果(！$_POST['billing_ib_id'])wc_add_notice( __( '<strong>IBAN</strong> 是必填字段.', 'theme_domain' ), 'error' );如果(！$_POST['billing_cf_id'])wc_add_notice( __( '<strong>Cod Fiscal</strong> 是必填字段.', 'theme_domain' ), 'error' );}//使用自定义字段值向订单添加/更新元数据add_action('woocommerce_checkout_update_order_meta', 'ba_custom_checkout_field_update_order_meta');功能 ba_custom_checkout_field_update_order_meta( $order_id ) {$billing_company = $_POST['billing_company'];$billing_ser_id = $_POST['billing_ser_id'];$billing_bt_id = $_POST['billing_bt_id'];$billing_ib_id = $_POST['billing_ib_id'];$billing_cf_id = $_POST['billing_cf_id'];如果 ( !empty($billing_company) && 'no' == $billing_company )update_post_meta( $order_id, '_billing_company', '' );## 这里我们将'no' == $billing_ser_id 添加到条件中如果 ( !empty($billing_ser_id) && 'no' == $billing_ser_id )update_post_meta( $order_id, '_billing_ser_id', sanitize_text_field( $billing_ser_id) );如果 ( !empty($billing_bt_id) && 'no' != $billing_bt_id )update_post_meta( $order_id, '_billing_bt_id', sanitize_text_field( $billing_bt_id) );如果 ( !empty($billing_ib_id) && 'no' != $billing_ib_id )update_post_meta( $order_id, '_billing_ib_id', sanitize_text_field( $billing_ib_id) );如果 ( !empty($billing_cf_id) && 'no' != $billing_cf_id )update_post_meta( $order_id, '_billing_cf_id', sanitize_text_field( $billing_cf_id) );}//在订单编辑页面上显示自定义字段标题/值add_action('woocommerce_admin_order_data_after_billing_address', 'ba_custom_checkout_field_display_admin_order_meta', 10, 1);功能 ba_custom_checkout_field_display_admin_order_meta( $order ){$输出 = '';$billing_ser_id = get_post_meta( $order->id, '_billing_ser_id', true );$billing_bt_id = get_post_meta( $order->id, '_billing_bt_id', true );$billing_ib_id = get_post_meta( $order->id, '_billing_ib_id', true );$billing_cf_id = get_post_meta( $order->id, '_billing_cf_id', true );如果(！空($billing_ser_id)){$output .=''.__( 'Nr. Reg. Comert', 'theme_domain' ) .':' .$billing_ser_id .'</p>';}如果 ( !empty($billing_bt_id) && 'no' != $billing_bt_id ){$output .='
'.__( 'Banca', 'theme_domain') .':' .$billing_bt_id .'</p>';}如果 ( !empty($billing_ib_id) && 'no' != $billing_ib_id ){$output .='
'.__( 'IBAN', 'theme_domain') .':' .$billing_ib_id .'</p>';}如果 ( !empty($billing_cf_id) && 'no' != $billing_cf_id ){$output .='
'.__( '鳕鱼财政', 'theme_domain') .':' .$billing_cf_id .'</p>';}回声$输出；}//显示有关电子邮件通知的数据add_action('woocommerce_email_customer_details','ba_add_values_to_emails_notifications', 15, 4);功能 ba_add_values_to_emails_notifications( $order, $sent_to_admin, $plain_text, $email ) {$output = '';$billing_ser_id = get_post_meta( $order->id, '_billing_ser_id', true );$billing_bt_id = get_post_meta( $order->id, '_billing_bt_id', true );$billing_ib_id = get_post_meta( $order->id, '_billing_ib_id', true );$billing_cf_id = get_post_meta( $order->id, '_billing_cf_id', true );如果 ( !empty($billing_ser_id) )$output .=''.__( "Nr. Reg. Comert:", "woocommerce") .'</strong><span class="text">'.$billing_ser_id .'</span></li>';如果 ( !empty($billing_bt_id) && 'no' != $billing_bt_id )$output .='
'.__( "Banca:", "woocommerce") .'</strong><span class="text">'.$billing_bt_id .'</span></li>';如果 ( !empty($billing_ib_id) && 'no' != $billing_ib_id )$output .='
'.__( "IBAN:", "woocommerce") .'</strong><span class="text">'.$billing_ib_id .'</span></li>';如果 ( !empty($billing_cf_id) && 'no' != $billing_cf_id )$output .=''.__( "鳕鱼财政:", "woocommerce" ) .'</strong><span class="text">'.$billing_cf_id .'</span></li>';$output .= '</ul>';回声$输出；}

和外部文件cfields.js Javascript代码(更新):

//这个名为cfields.js"的文件位于您活动子主题或主题的子文件夹js"中jQuery(文档).ready(函数($){if($("#billing_status option:selected").val() == "1"){//开始时隐藏字段(不是Persoana Juridica"):$('#billing_company_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_company').val("no");});$('#billing_bt_id_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_bt_id').val("no");});$('#billing_ib_id_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_ib_id').val("no");});$('#billing_cf_id_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_cf_id').val("no");});//开始时显示字段(不是Persoana Juridica")://序列号字段$('#billing_ser_id_field').show(function(){$(this).children('label').append(' <abbr class="required" title="required">*</abbr>' );$(this).addClass("validate-required");$('#billing_ser_id').val("");});//在开始时设置所需的字段(不是Persoana Juridica")://名字字段$('#billing_first_name_field').children('label').append(' <abbr class="required" title="required">*</abbr>' );$('#billing_first_name_field').addClass("validate-required");//姓氏字段$('#billing_last_name_field').children('label').append(' <abbr class="required" title="required">*</abbr>' );$('#billing_last_name_field').addClass("validate-required");} 别的 {//隐藏序列号字段$('#billing_ser_id_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_ser_id').val("no");});//隐藏名字字段$('#billing_first_name_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");});//隐藏姓氏字段$('#billing_last_name_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");});}//选择器的动作(显示/隐藏和添加/删除类)$("#billing_status").change(function(){//对于Persoana Juridica"if($("#billing_status option:selected").val() == "2"){//显示字段:$('#billing_company_field').show(function(){$(this).children('label').append(' <abbr class="required" title="required">*</abbr>' );$(this).addClass("validate-required");$('#billing_company').val("");});$('#billing_bt_id_field').show(function(){$(this).children('label').append(' <abbr class="required" title="required">*</abbr>' );$(this).addClass("validate-required");$('#billing_bt_id').val("");});$('#billing_ib_id_field').show(function(){$(this).children('label').append(' <abbr class="required" title="required">*</abbr>' );$(this).addClass("validate-required");$('#billing_ib_id').val("");});$('#billing_cf_id_field').show(function(){$(this).children('label').append(' <abbr class="required" title="required">*</abbr>' );$(this).addClass("validate-required");$('#billing_cf_id').val("");});//隐藏字段://隐藏序列号字段$('#billing_ser_id_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_ser_id').val("no");});//隐藏名字字段$('#billing_first_name_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_first_name').val("no");});//隐藏姓氏字段$('#billing_last_name_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_last_name').val("no");});}//对于Persona Fizica"else if($("#billing_status option:selected").val() == "1"){//隐藏字段:$('#billing_company_field').hide(function(){$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_company').val("no");});$('#billing_bt_id_field').hide(function(){$(this).children("abbr.required").remove();$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_bt_id').val("no");});$('#billing_ib_id_field').hide(function(){$(this).children("abbr.required").remove();$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_ib_id').val("no");});$('#billing_cf_id_field').hide(function(){$(this).children("abbr.required").remove();$(this).removeClass("validate-required");$(this).removeClass("woocommerce-validated");$('#billing_cf_id').val("no");});//显示字段://序列号字段$('#billing_ser_id_field').show(function(){$(this).children('label').append(' <abbr class="required" title="required">*</abbr>' );$(this).addClass("validate-required");$('#billing_ser_id').val("");});//显示名字字段$('#billing_first_name_field').show(function(){$(this).children('label').append(' <abbr class="required" title="required">*</abbr>' );$(this).addClass("validate-required");$('#billing_first_name').val("");});//显示姓氏字段$('#billing_last_name_field').show(function(){$(this).children('label').append(' <abbr class="required" title="required">*</abbr>' );$(this).addClass("validate-required");$('#billing_last_name').val("");});}});});

Based on this working answer:

 // Registering external jQuery/JS file
function cfields_scripts() {

    // IMPORTANT NOTE:
    // For a child theme replace get_template_directory_uri() by get_stylesheet_directory_uri()
    // The external cfields.js file goes in a subfolder "js" of your active child theme or theme.
    wp_enqueue_script( 'checkout_script', get_template_directory_uri().'/js/cfields.js', array('jquery'), '1.0', true );

}
add_action( 'wp_enqueue_scripts', 'cfields_scripts' );


add_filter( 'woocommerce_checkout_fields', 'ba_custom_checkout_billing_fields' );
function ba_custom_checkout_billing_fields( $fields ) {

    // 1. Creating the additional custom billing fields

    // The "status" selector
    $fields['billing']['billing_status']['type'] = 'select';
    $fields['billing']['billing_status']['class'] = array('form-row-wide, status-select');
    $fields['billing']['billing_status']['required'] = true;
    $fields['billing']['billing_status']['label'] = __('Statut Juridic', 'theme_domain');
    $fields['billing']['billing_status']['placeholder'] = __('Alege statutul', 'theme_domain');
    $fields['billing']['billing_status']['options'] = array(
        '1' => __( 'Persoana Fizica', 'theme_domain' ),
        '2' => __( 'Persoana Juridica', 'theme_domain' )
    );

    // The "Nr. registrul comertului" text field (this field is common)
    $fields['billing']['billing_ser_id']['type'] = 'text';
    $fields['billing']['billing_ser_id']['class'] = array('form-row-wide', 'status-group2');
    $fields['billing']['billing_ser_id']['required'] = true; // <== HERE has to be "true" as it always be shown and need validation
    $fields['billing']['billing_ser_id']['label'] = __('Nr. Reg. Comert', 'theme_domain');
    $fields['billing']['billing_ser_id']['placeholder'] = __('Introdu numarul', 'theme_domain');

    // The "Banca" text field
    $fields['billing']['billing_bt_id']['type'] = 'text';
    $fields['billing']['billing_bt_id']['class'] = array('form-row-wide', 'status-group2');
    $fields['billing']['billing_bt_id']['required'] = false;
    $fields['billing']['billing_bt_id']['label'] = __('Banca', 'theme_domain');
    $fields['billing']['billing_bt_id']['placeholder'] = __('Adauga Banca', 'theme_domain');

    // The "IBAN" text field
    $fields['billing']['billing_ib_id']['type'] = 'text';
    $fields['billing']['billing_ib_id']['class'] = array('form-row-wide', 'status-group2');
    $fields['billing']['billing_ib_id']['required'] = false;
    $fields['billing']['billing_ib_id']['label'] = __('IBAN', 'theme_domain');
    $fields['billing']['billing_ib_id']['placeholder'] = __('Adauga IBAN-ul', 'theme_domain');

    // The "CIF" text field
    $fields['billing']['billing_cf_id']['type'] = 'text';
    $fields['billing']['billing_cf_id']['class'] = array('form-row-wide', 'status-group2');
    $fields['billing']['billing_cf_id']['required'] = false;
    $fields['billing']['billing_cf_id']['label'] = __('Cod Fiscal', 'theme_domain');
    $fields['billing']['billing_cf_id']['placeholder'] = __('Adauga CIF-ul', 'theme_domain');


    // 2. Ordering the billing fields

    $fields_order = array(
        'billing_first_name', 'billing_last_name', 'billing_email',
        'billing_phone',      'billing_address_1', 'billing_address_2',
        'billing_postcode',   'billing_city',      'billing_country',
        'billing_status',     'billing_company',   'billing_ser_id',
        'billing_bt_id',      'billing_ib_id',     'billing_cf_id'
    );

    foreach($fields_order as $field)
        $ordered_fields[$field] = $fields['billing'][$field];

    $fields['billing'] = $ordered_fields;


    // 4. Returning Checkout customized billing fields
    return $fields;

}


// Process the checkout (Checking if required fields are not empty)
add_action('woocommerce_checkout_process', 'ba_custom_checkout_field_process');
function ba_custom_checkout_field_process() {

    if ( ! $_POST['billing_ser_id'] )
        wc_add_notice( __( '<strong>Nr. Reg. Comert</strong> is a required field.', 'theme_domain' ), 'error' );

    if ( ! $_POST['billing_bt_id'] )
        wc_add_notice( __( '<strong>Banca</strong> is a required field.', 'theme_domain' ), 'error' );

    if ( ! $_POST['billing_ib_id'] )
        wc_add_notice( __( '<strong>IBAN</strong> is a required field.', 'theme_domain' ), 'error' );

    if ( ! $_POST['billing_cf_id'] )
        wc_add_notice( __( '<strong>Cod Fiscal</strong> is a required field.', 'theme_domain' ), 'error' );
}


// Adding/Updating meta data to the order with the custom-fields values
add_action( 'woocommerce_checkout_update_order_meta', 'ba_custom_checkout_field_update_order_meta' );
function ba_custom_checkout_field_update_order_meta( $order_id ) {

    $billing_company = $_POST['billing_company'];
    $billing_ser_id  = $_POST['billing_ser_id'];
    $billing_bt_id   = $_POST['billing_bt_id'];
    $billing_ib_id   = $_POST['billing_ib_id'];
    $billing_cf_id   = $_POST['billing_cf_id'];

    // For Individual resetting billing company to "" (no value) instead of 'no'
    if ( !empty($billing_company) && 'no' == $billing_company )
        update_post_meta( $order_id, '_billing_company', '' );

    if ( !empty($billing_ser_id) )
        update_post_meta( $order_id, '_billing_ser_id', sanitize_text_field( $billing_ser_id ) );

    // Adding/updating data only for companies
    if ( !empty($billing_bt_id) && 'no' != $billing_bt_id )
        update_post_meta( $order_id, '_billing_bt_id', sanitize_text_field( $billing_bt_id ) );

    // Adding/updating data only for companies
    if ( !empty($billing_ib_id) && 'no' != $billing_ib_id )
        update_post_meta( $order_id, '_billing_ib_id', sanitize_text_field( $billing_ib_id ) );

    // Adding/updating data only for companies
    if ( !empty($billing_cf_id) && 'no' != $billing_cf_id )
        update_post_meta( $order_id, '_billing_cf_id', sanitize_text_field( $billing_cf_id ) );
}


// Display custom-field Title/values on the order edit page
add_action( 'woocommerce_admin_order_data_after_billing_address', 'ba_custom_checkout_field_display_admin_order_meta', 10, 1 );
function ba_custom_checkout_field_display_admin_order_meta( $order ){

    $output = '';
    $billing_ser_id = get_post_meta( $order->id, '_billing_ser_id', true );
    $billing_bt_id  = get_post_meta( $order->id, '_billing_bt_id',  true );
    $billing_ib_id  = get_post_meta( $order->id, '_billing_ib_id',  true );
    $billing_cf_id  = get_post_meta( $order->id, '_billing_cf_id',  true );

    if ( !empty($billing_ser_id) ){
        $output .= '<p><strong>' . __( 'Nr. Reg. Comert', 'theme_domain' ) . ':</strong> ' . $billing_ser_id . '</p>';
    }

    if ( !empty($billing_bt_id) && 'no' != $billing_bt_id ){
        $output .= '<p><strong>' . __( 'Banca', 'theme_domain' ) . ':</strong> ' . $billing_bt_id . '</p>';
    }

    if ( !empty($billing_ib_id) && 'no' != $billing_ib_id ){
        $output .= '<p><strong>' . __( 'IBAN', 'theme_domain' ) . ':</strong> ' . $billing_ib_id . '</p>';
    }

    if ( !empty($billing_cf_id) && 'no' != $billing_cf_id ){
        $output .= '<p><strong>' . __( 'Cod Fiscal', 'theme_domain' ) . ':</strong> ' . $billing_cf_id . '</p>';
    }

    echo $output;
}

To display the data on the customer order view, on Thankyou page, My account order view and on email notifications, add this 2 code snippets in myfunction.php file:

// Displaying data on order view in "customer details" zone
add_action('woocommerce_order_details_after_customer_details','ba_add_values_to_order_item_meta', 10, 1 );
function ba_add_values_to_order_item_meta( $order ) {

    $output = '';
    $billing_ser_id = get_post_meta( $order->id, '_billing_ser_id', true );
    $billing_bt_id  = get_post_meta( $order->id, '_billing_bt_id',  true );
    $billing_ib_id  = get_post_meta( $order->id, '_billing_ib_id',  true );
    $billing_cf_id  = get_post_meta( $order->id, '_billing_cf_id',  true );

    if ( !empty($billing_ser_id) )
        $output .= '
        <tr>
            <th>' . __( "Nr. Reg. Comert:", "woocommerce" ) . '</th>
            <td>' . $billing_ser_id . '</td>
        </tr>';

    if ( !empty($billing_bt_id) && 'no' != $billing_bt_id )
        $output .= '
        <tr>
            <th>' . __( "Banca:", "woocommerce" ) . '</th>
            <td>' . $billing_bt_id . '</td>
        </tr>';

    if ( !empty($billing_ib_id) && 'no' != $billing_ib_id )
        $output .= '
        <tr>
            <th>' . __( "IBAN:", "woocommerce" ) . '</th>
            <td>' . $billing_ib_id . '</td>
        </tr>';

    if ( !empty($billing_cf_id) && 'no' != $billing_cf_id )
        $output .= '
        <tr>
            <th>' . __( "Cod Fiscal:", "woocommerce" ) . '</th>
            <td>' . $billing_cf_id . '</td>
        </tr>';

    echo $output;
}


// Displaying data on email notifications
add_action('woocommerce_email_customer_details','ba_add_values_to_emails_notifications', 15, 4 );
function ba_add_values_to_emails_notifications( $order, $sent_to_admin, $plain_text, $email ) {

    $output = '<ul>';
    $billing_ser_id = get_post_meta( $order->id, '_billing_ser_id', true );
    $billing_bt_id  = get_post_meta( $order->id, '_billing_bt_id',  true );
    $billing_ib_id  = get_post_meta( $order->id, '_billing_ib_id',  true );
    $billing_cf_id  = get_post_meta( $order->id, '_billing_cf_id',  true );

    if ( !empty($billing_ser_id) )
        $output .= '<li><strong>' . __( "Nr. Reg. Comert:", "woocommerce" ) . '</strong> <span class="text">' . $billing_ser_id . '</span></li>';

    if ( !empty($billing_bt_id) && 'no' != $billing_bt_id )
        $output .= '<li><strong>' . __( "Banca:", "woocommerce" ) . '</strong> <span class="text">' . $billing_bt_id . '</span></li>';

    if ( !empty($billing_ib_id) && 'no' != $billing_ib_id )
        $output .= '<li><strong>' . __( "IBAN:", "woocommerce" ) . '</strong> <span class="text">' . $billing_ib_id . '</span></li>';

    if ( !empty($billing_cf_id) && 'no' != $billing_cf_id )
        $output .= '<li><strong>' . __( "Cod Fiscal:", "woocommerce" ) . '</strong> <span class="text">' . $billing_cf_id . '</span></li>';
        $output .= '</ul>';

    echo $output;
}

Javascript cfields.js code (external file):

// This file named "cfields.js" goes in a subfolder "js" of your active child theme or theme

jQuery(document).ready(function($){

    // Common Serial ID field
    if(! $("#billing_ser_id_field").hasClass("validate-required") ){
        $("#billing_ser_id_field").addClass("validate-required");
    }


    // The 4 Fields to hide at start (if not "Persoana Juridica")
    if($("#billing_status option:selected").val() == "1"){
        $('#billing_company_field').hide(function(){
            $(this).removeClass("validate-required");
            $(this).removeClass("woocommerce-validated");
            $('#billing_company').val("no");
        });
        $('#billing_bt_id_field').hide(function(){
            $(this).removeClass("validate-required");
            $(this).removeClass("woocommerce-validated");
            $('#billing_bt_id').val("no");
        });
        $('#billing_ib_id_field').hide(function(){
            $(this).removeClass("validate-required");
            $(this).removeClass("woocommerce-validated");
            $('#billing_ib_id').val("no");
        });
        $('#billing_cf_id_field').hide(function(){
            $(this).removeClass("validate-required");
            $(this).removeClass("woocommerce-validated");
            $('#billing_cf_id').val("no");
        });
     }

    // Action with the selector (Showing/hiding and adding/removing classes)
    $("#billing_status").change(function(){
        // For "Persoana Juridica"
        if($("#billing_status option:selected").val() == "2")
        {
            $('#billing_company_field').show(function(){
                $(this).addClass("validate-required");
                $('#billing_company').val("");
            });
            $('#billing_bt_id_field').show(function(){
                $(this).children('label').append( ' <abbr class="required" title="required">*</abbr>' );
                $(this).addClass("validate-required");
                $('#billing_bt_id').val("");
            });
            $('#billing_ib_id_field').show(function(){
                $(this).children('label').append( ' <abbr class="required" title="required">*</abbr>' );
                $(this).addClass("validate-required");
                $('#billing_ib_id').val("");
            });
            $('#billing_cf_id_field').show(function(){
                $(this).children('label').append( ' <abbr class="required" title="required">*</abbr>' );
                $(this).addClass("validate-required");
                $('#billing_cf_id').val("");
            });
        }
        // For "Persoana Fizica"
        else if($("#billing_status option:selected").val() == "1")
        {
            $('#billing_company_field').hide(function(){
                $(this).removeClass("validate-required");
                $(this).removeClass("woocommerce-validated");
                $('#billing_company').val("no");
            });
            $('#billing_bt_id_field').hide(function(){
                $(this).children("abbr.required").remove();
                $(this).removeClass("validate-required");
                $(this).removeClass("woocommerce-validated");
                $('#billing_bt_id').val("no");
            });
            $('#billing_ib_id_field').hide(function(){
                $(this).children("abbr.required").remove();
                $(this).removeClass("validate-required");
                $(this).removeClass("woocommerce-validated");
                $('#billing_ib_id').val("no");
            });
            $('#billing_cf_id_field').hide(function(){
                $(this).children("abbr.required").remove();
                $(this).removeClass("validate-required");
                $(this).removeClass("woocommerce-validated");
                $('#billing_cf_id').val("no");
            });
        }

    });

});

My question is:
How can I Hide First name and Last name fields when Persoana Juridica is selected?

Thanks

解决方案

I have make some changes:

Lightly in ba_custom_checkout_billing_fields hooked function

Mostly in the javascript external file…

So Here is all your PHP code:
// Registering external jQuery/JS file function cfields_scripts() { // IMPORTANT NOTE: // For a child theme replace get_template_directory_uri() by get_stylesheet_directory_uri() // The external cfields.js file goes in a subfolder "js" of your active child theme or theme. wp_enqueue_script( 'checkout_script', get_template_directory_uri().'/js/cfields.js', array('jquery'), '1.0', true ); } add_action( 'wp_enqueue_scripts', 'cfields_scripts' ); add_filter( 'woocommerce_checkout_fields', 'ba_custom_checkout_billing_fields' ); function ba_custom_checkout_billing_fields( $fields ) { // 1. Creating the additional custom billing fields // The "status" selector $fields['billing']['billing_status']['type'] = 'select'; $fields['billing']['billing_status']['class'] = array('form-row-wide, status-select'); $fields['billing']['billing_status']['required'] = true; $fields['billing']['billing_status']['label'] = __('Statut Juridic', 'theme_domain'); $fields['billing']['billing_status']['placeholder'] = __('Alege statutul', 'theme_domain'); $fields['billing']['billing_status']['options'] = array( '1' => __( 'Persoana Fizica', 'theme_domain' ), '2' => __( 'Persoana Juridica', 'theme_domain' ) ); // The "Nr. registrul comertului" text field (this field is common) $fields['billing']['billing_ser_id']['type'] = 'text'; $fields['billing']['billing_ser_id']['class'] = array('form-row-wide', 'status-group2'); $fields['billing']['billing_ser_id']['required'] = false; $fields['billing']['billing_ser_id']['label'] = __('Nr. Reg. Comert', 'theme_domain'); $fields['billing']['billing_ser_id']['placeholder'] = __('Introdu numarul', 'theme_domain'); // The "Banca" text field $fields['billing']['billing_bt_id']['type'] = 'text'; $fields['billing']['billing_bt_id']['class'] = array('form-row-wide', 'status-group2'); $fields['billing']['billing_bt_id']['required'] = false; $fields['billing']['billing_bt_id']['label'] = __('Banca', 'theme_domain'); $fields['billing']['billing_bt_id']['placeholder'] = __('Adauga Banca', 'theme_domain'); // The "IBAN" text field $fields['billing']['billing_ib_id']['type'] = 'text'; $fields['billing']['billing_ib_id']['class'] = array('form-row-wide', 'status-group2'); $fields['billing']['billing_ib_id']['required'] = false; $fields['billing']['billing_ib_id']['label'] = __('IBAN', 'theme_domain'); $fields['billing']['billing_ib_id']['placeholder'] = __('Adauga IBAN-ul', 'theme_domain'); // The "CIF" text field $fields['billing']['billing_cf_id']['type'] = 'text'; $fields['billing']['billing_cf_id']['class'] = array('form-row-wide', 'status-group2'); $fields['billing']['billing_cf_id']['required'] = false; $fields['billing']['billing_cf_id']['label'] = __('Cod Fiscal', 'theme_domain'); $fields['billing']['billing_cf_id']['placeholder'] = __('Adauga CIF-ul', 'theme_domain'); // 2. Changing some existing billing fields // First name and Last name, disabling 'required' $fields['billing']['billing_first_name']['required'] = false; $fields['billing']['billing_last_name']['required'] = false; // 3. Ordering the billing fields $fields_order = array( 'billing_first_name', 'billing_last_name', 'billing_email', 'billing_phone', 'billing_address_1', 'billing_address_2', 'billing_postcode', 'billing_city', 'billing_country', 'billing_status', 'billing_company', 'billing_ser_id', 'billing_bt_id', 'billing_ib_id', 'billing_cf_id' ); foreach($fields_order as $field) $ordered_fields[$field] = $fields['billing'][$field]; $fields['billing'] = $ordered_fields; // 4. Returning Checkout customized billing fields return $fields; } // Process the checkout (Checking if required fields are not empty) add_action('woocommerce_checkout_process', 'ba_custom_checkout_field_process'); function ba_custom_checkout_field_process() { if ( ! $_POST['billing_ser_id'] ) wc_add_notice( __( 'Nr. Reg. Comert is a required field.', 'theme_domain' ), 'error' ); if ( ! $_POST['billing_bt_id'] ) wc_add_notice( __( 'Banca is a required field.', 'theme_domain' ), 'error' ); if ( ! $_POST['billing_ib_id'] ) wc_add_notice( __( 'IBAN is a required field.', 'theme_domain' ), 'error' ); if ( ! $_POST['billing_cf_id'] ) wc_add_notice( __( 'Cod Fiscal is a required field.', 'theme_domain' ), 'error' ); } // Adding/Updating meta data to the order with the custom-fields values add_action( 'woocommerce_checkout_update_order_meta', 'ba_custom_checkout_field_update_order_meta' ); function ba_custom_checkout_field_update_order_meta( $order_id ) { $billing_company = $_POST['billing_company']; $billing_ser_id = $_POST['billing_ser_id']; $billing_bt_id = $_POST['billing_bt_id']; $billing_ib_id = $_POST['billing_ib_id']; $billing_cf_id = $_POST['billing_cf_id']; if ( !empty($billing_company) && 'no' == $billing_company ) update_post_meta( $order_id, '_billing_company', '' ); ## Here we add 'no' == $billing_ser_id to the condition if ( !empty($billing_ser_id) && 'no' == $billing_ser_id ) update_post_meta( $order_id, '_billing_ser_id', sanitize_text_field( $billing_ser_id ) ); if ( !empty($billing_bt_id) && 'no' != $billing_bt_id ) update_post_meta( $order_id, '_billing_bt_id', sanitize_text_field( $billing_bt_id ) ); if ( !empty($billing_ib_id) && 'no' != $billing_ib_id ) update_post_meta( $order_id, '_billing_ib_id', sanitize_text_field( $billing_ib_id ) ); if ( !empty($billing_cf_id) && 'no' != $billing_cf_id ) update_post_meta( $order_id, '_billing_cf_id', sanitize_text_field( $billing_cf_id ) ); } // Display custom-field Title/values on the order edit page add_action( 'woocommerce_admin_order_data_after_billing_address', 'ba_custom_checkout_field_display_admin_order_meta', 10, 1 ); function ba_custom_checkout_field_display_admin_order_meta( $order ){ $output = ''; $billing_ser_id = get_post_meta( $order->id, '_billing_ser_id', true ); $billing_bt_id = get_post_meta( $order->id, '_billing_bt_id', true ); $billing_ib_id = get_post_meta( $order->id, '_billing_ib_id', true ); $billing_cf_id = get_post_meta( $order->id, '_billing_cf_id', true ); if ( !empty($billing_ser_id) ){ $output .= '' . __( 'Nr. Reg. Comert', 'theme_domain' ) . ': ' . $billing_ser_id . ''; } if ( !empty($billing_bt_id) && 'no' != $billing_bt_id ){ $output .= '' . __( 'Banca', 'theme_domain' ) . ': ' . $billing_bt_id . ''; } if ( !empty($billing_ib_id) && 'no' != $billing_ib_id ){ $output .= '' . __( 'IBAN', 'theme_domain' ) . ': ' . $billing_ib_id . ''; } if ( !empty($billing_cf_id) && 'no' != $billing_cf_id ){ $output .= '' . __( 'Cod Fiscal', 'theme_domain' ) . ': ' . $billing_cf_id . ''; } echo $output; } // Displaying data on email notifications add_action('woocommerce_email_customer_details','ba_add_values_to_emails_notifications', 15, 4 ); function ba_add_values_to_emails_notifications( $order, $sent_to_admin, $plain_text, $email ) { $output = '<ul>'; $billing_ser_id = get_post_meta( $order->id, '_billing_ser_id', true ); $billing_bt_id = get_post_meta( $order->id, '_billing_bt_id', true ); $billing_ib_id = get_post_meta( $order->id, '_billing_ib_id', true ); $billing_cf_id = get_post_meta( $order->id, '_billing_cf_id', true ); if ( !empty($billing_ser_id) ) $output .= '<li>' . __( "Nr. Reg. Comert:", "woocommerce" ) . ' ' . $billing_ser_id . '</li>'; if ( !empty($billing_bt_id) && 'no' != $billing_bt_id ) $output .= '<li>' . __( "Banca:", "woocommerce" ) . ' ' . $billing_bt_id . '</li>'; if ( !empty($billing_ib_id) && 'no' != $billing_ib_id ) $output .= '<li>' . __( "IBAN:", "woocommerce" ) . ' ' . $billing_ib_id . '</li>'; if ( !empty($billing_cf_id) && 'no' != $billing_cf_id ) $output .= '<li>' . __( "Cod Fiscal:", "woocommerce" ) . ' ' . $billing_cf_id . '</li>'; $output .= '</ul>'; echo $output; }
And the external file cfields.js Javascript code (Updated):
// This file named "cfields.js" goes in a subfolder "js" of your active child theme or theme jQuery(document).ready(function($){ if($("#billing_status option:selected").val() == "1"){ // HIDING FIELDS AT START (NOT "Persoana Juridica"): $('#billing_company_field').hide(function(){ $(this).removeClass("validate-required"); $(this).removeClass("woocommerce-validated"); $('#billing_company').val("no"); }); $('#billing_bt_id_field').hide(function(){ $(this).removeClass("validate-required"); $(this).removeClass("woocommerce-validated"); $('#billing_bt_id').val("no"); }); $('#billing_ib_id_field').hide(function(){ $(this).removeClass("validate-required"); $(this).removeClass("woocommerce-validated"); $('#billing_ib_id').val("no"); }); $('#billing_cf_id_field').hide(function(){ $(this).removeClass("validate-required"); $(this).removeClass("woocommerce-validated"); $('#billing_cf_id').val("no"); }); // SHOWING FIELDS AT START (NOT "Persoana Juridica"): // Serial ID field $('#billing_ser_id_field').show(function(){ $(this).children('label').append( ' <abbr class="required" title="required">*</abbr>' ); $(this).addClass("validate-required"); $('#billing_ser_id').val(""); }); // SETTING REQUIRED FIELDS AT START (NOT "Persoana Juridica"): // First name field $('#billing_first_name_field').children('label').append( ' <abbr class="required" title="required">*</abbr>' ); $('#billing_first_name_field').addClass("validate-required"); // Last name field $('#billing_last_name_field').children('label').append( ' <abbr class="required" title="required">*</abbr>' ); $('#billing_last_name_field').addClass("validate-required"); } else { // Hide Serial ID field $('#billing_ser_id_field').hide(function(){ $(this).removeClass("validate-required"); $(this).removeClass("woocommerce-validated"); $('#billing_ser_id').val("no"); }); // Hide First Name field $('#billing_first_name_field').hide(function(){ $(this).removeClass("validate-required"); $(this).removeClass("woocommerce-validated"); }); // Hide Last Name field $('#billing_last_name_field').hide(function(){ $(this).removeClass("validate-required"); $(this).removeClass("woocommerce-validated"); }); } // Action with the selector (Showing/hiding and adding/removing classes) $("#billing_status").change(function(){ // For "Persoana Juridica" if($("#billing_status option:selected").val() == "2") { // SHOWING FIELDS: $('#billing_company_field').show(function(){ $(this).children('label').append( ' <abbr class="required" title="required">*</abbr>' ); $(this).addClass("validate-required"); $('#billing_company').val(""); }); $('#billing_bt_id_field').show(function(){ $(this).children('label').append( ' <abbr class="required" title="required">*</abbr>' ); $(this).addClass("validate-required"); $('#billing_bt_id').val(""); }); $('#billing_ib_id_field').show(function(){ $(this).children('label').append( ' <abbr class="required" title="required">*</abbr>' ); $(this).addClass("validate-required"); $('#billing_ib_id').val(""); }); $('#billing_cf_id_field').show(function(){ $(this).children('label').append( ' <abbr class="required" title="required">*</abbr>' ); $(this).addClass("validate-required"); $('#billing_cf_id').val(""); }); // HIDING FIELDS: // Hide Serial ID field $('#billing_ser_id_field').hide(function(){ $(this).removeClass("validate-required"); $(this).removeClass("woocommerce-validated"); $('#billing_ser_id').val("no"); }); // Hide First Name field $('#billing_first_name_field').hide(function(){ $(this).removeClass("validate-required"); $(this).removeClass("woocommerce-validated"); $('#billing_first_name').val("no"); }); // Hide Last Name field $('#billing_last_name_field').hide(function(){ $(this).removeClass("validate-required"); $(this).removeClass("woocommerce-validated"); $('#billing_last_name').val("no"); }); } // For "Persoana Fizica" else if($("#billing_status option:selected").val() == "1") { // HIDING FIELDS: $('#billing_company_field').hide(function(){ $(this).removeClass("validate-required"); $(this).removeClass("woocommerce-validated"); $('#billing_company').val("no"); }); $('#billing_bt_id_field').hide(function(){ $(this).children("abbr.required").remove(); $(this).removeClass("validate-required"); $(this).removeClass("woocommerce-validated"); $('#billing_bt_id').val("no"); }); $('#billing_ib_id_field').hide(function(){ $(this).children("abbr.required").remove(); $(this).removeClass("validate-required"); $(this).removeClass("woocommerce-validated"); $('#billing_ib_id').val("no"); }); $('#billing_cf_id_field').hide(function(){ $(this).children("abbr.required").remove(); $(this).removeClass("validate-required"); $(this).removeClass("woocommerce-validated"); $('#billing_cf_id').val("no"); }); // SHOWING FIELDS: // Serial ID field $('#billing_ser_id_field').show(function(){ $(this).children('label').append( ' <abbr class="required" title="required">*</abbr>' ); $(this).addClass("validate-required"); $('#billing_ser_id').val(""); }); // Showing First Name field $('#billing_first_name_field').show(function(){ $(this).children('label').append( ' <abbr class="required" title="required">*</abbr>' ); $(this).addClass("validate-required"); $('#billing_first_name').val(""); }); // Showing Last name field $('#billing_last_name_field').show(function(){ $(this).children('label').append( ' <abbr class="required" title="required">*</abbr>' ); $(this).addClass("validate-required"); $('#billing_last_name').val(""); }); } }); });

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结帐字段:隐藏和显示现有字段

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