We found the default documentation about adding a new input field to the checkout. https://devdocs.magento.com/guides/v2.3/howdoi/checkout/checkout_form.html
I want to save input value in database with new table
How can we achieve that?
Thanks so much.
vendor/module/view/frontend/layout/checkout_index_index.xml
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="1column" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
<body>
<referenceBlock name="checkout.root">
<arguments>
<argument name="jsLayout" xsi:type="array">
<item name="components" xsi:type="array">
<item name="checkout" xsi:type="array">
<item name="children" xsi:type="array">
<item name="steps" xsi:type="array">
<item name="children" xsi:type="array">
<item name="shipping-step" xsi:type="array">
<item name="children" xsi:type="array">
<item name="shippingAddress" xsi:type="array">
<item name="children" xsi:type="array">
<item name="before-form" xsi:type="array">
<item name="children" xsi:type="array">
<!-- newsletter component -->
<item name="newsletter" xsi:type="array">
<item name="component" xsi:type="string">vendor_module/js/view/newsletter</item>
<item name="config" xsi:type="array">
<item name="componentDisabled" xsi:type="boolean">true</item>
</item>
</item>
<!-- new form -->
<item name="custom-checkout-form-container" xsi:type="array">
<!--links to our js file in step 1-->
<item name="component" xsi:type="string">vendor_module/js/view/custom-checkout-form</item>
<item name="provider" xsi:type="string">checkoutProvider</item>
<item name="config" xsi:type="array">
<!--links to our html file in step 2-->
<item name="template" xsi:type="string">vendor_module/custom-checkout-form</item>
</item>
<!-- new element -->
<item name="children" xsi:type="array">
<item name="custom-checkout-form-fieldset" xsi:type="array">
<!-- uiComponent is used as a wrapper for form fields (its template will render all children as a list) -->
<item name="component" xsi:type="string">uiComponent</item>
<!-- the following display area is used in template (see below) -->
<item name="displayArea" xsi:type="string">custom-checkout-form-fields</item>
<item name="children" xsi:type="array">
<item name="select_field" xsi:type="array">
<item name="component" xsi:type="string">Magento_Ui/js/form/element/select</item>
<item name="config" xsi:type="array">
<!--customScope is used to group elements within a single form (e.g. they can be validated separately)-->
<item name="customScope" xsi:type="string">customCheckoutForm</item>
<item name="template" xsi:type="string">ui/form/field</item>
<item name="elementTmpl" xsi:type="string">ui/form/element/select</item>
</item>
<item name="options" xsi:type="array">
<item name="0" xsi:type="array">
<item name="label" xsi:type="string" translate="true">Please select value</item>
<item name="value" xsi:type="string">value_0</item>
</item>
<item name="1" xsi:type="array">
<item name="label" xsi:type="string" translate="true">Reading</item>
<item name="value" xsi:type="string">value_1</item>
</item>
<item name="2" xsi:type="array">
<item name="label" xsi:type="string" translate="true">Swimming</item>
<item name="value" xsi:type="string">value_2</item>
</item>
<item name="3" xsi:type="array">
<item name="label" xsi:type="string" translate="true">Listen Music</item>
<item name="value" xsi:type="string">value_3</item>
</item>
</item>
<!-- value element allows to specify default value of the form field -->
<item name="value" xsi:type="string">value_0</item>
<item name="provider" xsi:type="string">checkoutProvider</item>
<item name="dataScope" xsi:type="string">customCheckoutForm.select_field</item>
<item name="label" xsi:type="string" translate="true">Hobbies</item>
<item name="sortOrder" xsi:type="string">1</item>
</item>
<item name="select_field_2" xsi:type="array">
<item name="component" xsi:type="string">Magento_Ui/js/form/element/select</item>
<item name="config" xsi:type="array">
<!--customScope is used to group elements within a single form (e.g. they can be validated separately)-->
<item name="customScope" xsi:type="string">customCheckoutForm</item>
<item name="template" xsi:type="string">ui/form/field</item>
<item name="elementTmpl" xsi:type="string">ui/form/element/select</item>
</item>
<item name="options" xsi:type="array">
<item name="0" xsi:type="array">
<item name="label" xsi:type="string" translate="true">Please select value</item>
<item name="value" xsi:type="string">value_0</item>
</item>
<item name="1" xsi:type="array">
<item name="label" xsi:type="string" translate="true">Income 100$ ~ 200$/Week</item>
<item name="value" xsi:type="string">value_4</item>
</item>
<item name="2" xsi:type="array">
<item name="label" xsi:type="string" translate="true">Income 200$ ~ 300$/Week</item>
<item name="value" xsi:type="string">value_5</item>
</item>
</item>
<!-- value element allows to specify default value of the form field -->
<item name="value" xsi:type="string">value_0</item>
<item name="provider" xsi:type="string">checkoutProvider</item>
<item name="dataScope" xsi:type="string">customCheckoutForm.select_field_2</item>
<item name="label" xsi:type="string" translate="true">Income</item>
<item name="sortOrder" xsi:type="string">2</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</argument>
</arguments>
</referenceBlock>
</body>
vendor/module/view/frontend/web/js/view/custom-checkout-form.js
/*global define*/
define([
'Magento_Ui/js/form/form'
], function(Component) {
'use strict';
return Component.extend({
initialize: function () {
this._super();
// component initialization logic
return this;
},
/**
* Form submit handler
*
* This method can have any name.
*/
onSubmit: function() {
// trigger form validation
this.source.set('params.invalid', false);
this.source.trigger('customCheckoutForm.data.validate');
// verify that form data is valid
if (!this.source.get('params.invalid')) {
// data is retrieved from data provider by value of the customScope property
var formData = this.source.get('customCheckoutForm');
// do something with form data
console.dir(formData);
}
}
});
});
<your_module_dir>/view/frontend/web/template/custom-checkout-form.html
<div>
<form id="custom-checkout-form" class="form" data-bind="attr: {'data-hasrequired': $t('* Required Fields')}">
<fieldset class="fieldset">
<legend data-bind="i18n: 'Custom Checkout Form'"></legend>
<!-- ko foreach: getRegion('custom-checkout-form-fields') -->
<!-- ko template: getTemplate() --><!-- /ko -->
<!--/ko-->
</fieldset>
<button type="reset">
<span data-bind="i18n: 'Reset'"></span>
</button>
<button type="button" data-bind="click: onSubmit" class="action">
<span data-bind="i18n: 'Submit'"></span>
</button>
</form>