在Woocommerce中设置最小数量，最大数量和产品级别的步进 [英] Set quantity minimum, maximum and step at product level in Woocommerce

问题描述

我正在使用"

选中复选框 (显示字段并启用数量设置):

我将所有设置合并到一个唯一的自定义字段中，作为值的索引数组，以提高性能.

自WooCommerce版本3起，事情发生了很大变化，因此我进行了一些更改，以增强和更新代码.

在简单产品的Ajax添加到购物车，可变产品的产品变化以及购物车数量输入字段中，效果也很好.

所有代码:

 //在管理产品页面上显示数量设置字段add_action('woocommerce_product_options_pricing'，'wc_qty_add_product_field');函数wc_qty_add_product_field(){全局$ product_object;$ values = $ product_object-> get_meta('_ qty_args');echo'</div>< div class =" options_group数量hide_if_grouped"< style> div.qty-args.hidden {display:none;}</style>';woocommerce_wp_checkbox(array(//复选框.'id'=>'qty_args'，'标签'=>__('数量设置'，'woocommerce')，'值'=>空($值)?'否':'是'，'description'=>__('启用此项以显示和启用其他数量设置字段.'，'woocommerce')，));回声'< div class ='隐藏的数量-args'>';woocommerce_wp_text_input(array('id'=>'qty_min'，'type'=>'数字'，'标签'=>__('最小数量'，'woocommerce-最大数量')，'占位符'=>''，'desc_tip'=>'真的'，'description'=>__('设置最小允许数量限制(一个大于0的数字.'，'woocommerce')，'custom_attributes'=>array('step'=>'any'，'min'=>'0')，'值'=>isset($ values ['qty_min'])&&$ values ['qty_min']>0?(int)$ values ['qty_min']:0，));woocommerce_wp_text_input(array('id'=>'qty_max'，'type'=>'数字'，'标签'=>__('最大数量'，'woocommerce-最大数量')，'占位符'=>''，'desc_tip'=>'真的'，'description'=>__('设置最大允许数量限制(大于0的数字.值"-1"是无限的"，"woocommerce")，'custom_attributes'=>array('step'=>'any'，'min'=>'-1')，'值'=>isset($ values ['qty_max'])&&$ values ['qty_max']>0?(int)$ values ['qty_max']:-1，));woocommerce_wp_text_input(array('id'=>'qty_step'，'type'=>'数字'，'标签'=>__('Quantity step'，'woocommerce-quantity-step')，'占位符'=>''，'desc_tip'=>'真的'，'description'=>__('可选.设置数量步长(大于0的数字)'，'woocommerce')，'custom_attributes'=>array('step'=>'any'，'min'=>'1')，'值'=>isset($ values ['qty_step'])&&$ values ['qty_step']>1个(int)$ values ['qty_step']:1，));回声'</div>';}//显示/隐藏设置字段(管理产品页面)add_action('admin_footer'，'product_type_selector_filter_callback');函数product_type_selector_filter_callback(){全局$ pagenow，$ post_type;if(in_array($ pagenow，array('post-new.php'，'post.php')))&& $ post_type ==='product'):?>< script>jQuery(函数($){if($('input#qty_args').is(':checked')&& $('div.qty-args').hasClass('hidden')){$('div.qty-args').removeClass('hidden')}$('input#qty_args').click(function(){if($(this).is(':checked')&& $('div.qty-args').hasClass('hidden')){$('div.qty-args').removeClass('hidden');} else if(！$(this).is(':checked')&&！$('div.qty-args').hasClass('hidden')){$('div.qty-args').addClass('hidden');}});});</script><?php万一;}//保存数量设置字段的值add_action('woocommerce_admin_process_product_object'，'wc_save_product_quantity_settings');函数wc_save_product_quantity_settings($ product){如果(isset($ _ POST ['qty_args'])){$ values = $ product-> get_meta('_ qty_args');$ product-> update_meta_data('_qty_args'，array('qty_min'=>isset($ _ POST ['qty_min'])&&$ _POST ['qty_min']>0?(int)wc_clean($ _ POST ['qty_min']):0，'qty_max'=>isset($ _ POST ['qty_max'])&&$ _POST ['qty_max']>0?(int)wc_clean($ _ POST ['qty_max']):-1，'qty_step'=>isset($ _ POST ['qty_step'])&&$ _POST ['qty_step']>1个(int)wc_clean($ _ POST ['qty_step']):1));} 别的 {$ product-> update_meta_data('_qty_args'，array());}}//前端操作中的数量设置add_filter('woocommerce_quantity_input_args'，'filter_wc_quantity_input_args'，99，2);函数filter_wc_quantity_input_args($ args，$ product){if($ product-> is_type('variation')){$ parent_product = wc_get_product($ product-> get_parent_id());$ values = $ parent_product-> get_meta('_qty_args');} 别的 {$ values = $ product-> get_meta('_qty_args');}如果(！empty($ values)){//最小值if(isset($ values ['qty_min'])&& $ values ['qty_min']> 1){$ args ['min_value'] = $ values ['qty_min'];if(！is_cart()){$ args ['input_value'] = $ values ['qty_min'];//起始值}}//最大值if(isset($ values ['qty_max'])&& $ values ['qty_max']> 0){$ args ['max_value'] = $ values ['qty_max'];if($ product-> managing_stock()&&！$ product-> backorders_allowed()){$ args ['max_value'] = min($ product-> get_stock_quantity()，$ args ['max_value']);}}//步长值if(isset($ values ['qty_step'])&& $ values ['qty_step']> 1){$ args ['step'] = $ values ['qty_step'];}}返回$ args;}//将Ajax添加到购物车，然后将最小数量"设置为作为商店和档案馆页面上的数量add_filter('woocommerce_loop_add_to_cart_args'，'filter_loop_add_to_cart_quantity_arg'，10，2);函数filter_loop_add_to_cart_quantity_arg($ args，$ product){$ values = $ product-> get_meta('_qty_args');如果(！empty($ values)){//最小值if(isset($ values ['qty_min'])&& $ values ['qty_min']> 1){$ args ['quantity'] = $ values ['qty_min'];}}返回$ args;}//前端操作中的数量设置(适用于可变产品及其变体)add_filter('woocommerce_available_variation'，'filter_wc_available_variation_price_html'，10，3);函数filter_wc_available_variation_price_html($ data，$ product，$ variation){$ values = $ product-> get_meta('_qty_args');如果(！empty($ values)){if(isset($ values ['qty_min'])&& $ values ['qty_min']> 1){$ data ['min_qty'] = $ values ['qty_min'];}if(isset($ values ['qty_max'])&& $ values ['qty_max']> 0){$ data ['max_qty'] = $ values ['qty_max'];if($ variation-> managing_stock()&&!; $ variation-> backorders_allowed()){$ data ['max_qty'] = min($ variation-> get_stock_quantity()，$ data ['max_qty']);}}}返回$ data;} 

代码进入您的活动子主题(或活动主题)的functions.php文件中.经过测试，可以正常工作.

I'm using "set minimum and maximum allowable product quantities to be added in WooCommerce Cart" to require a minimum and maximum quantity order.

Now, i need to impose for several products (not all) a mulitple quantity. For example : 6 bottles, 12 bottles, 18 bottles (multiple of 6) or for other 12 bottles, 24 bottles (multiple of 12)

I found a solution but it's for every product with a unique value and I cant' manage it in the back office for each product individually. I have to manage the multiple quantity in Backoffice.

Thank you if you can help me

解决方案

Updated December 2020

The following revisited code will allow in addition to handle quantity steps.

I have changed quantity fields settings location to "General" settings tab.

I have added a checkbox that enables or disables those additional quantity settings at product level (showing or hiding the setting fields dynamically):

When checkbox unchecked (fields are not visible and quantity settings are disabled):

When checkbox is checked (fields are visible and quantity settings are enabled):

I have merged all settings in a unique custom field as an indexed array of values, to improve performance.

Since WooCommerce version 3, things have changed a lot, so I have made some changes enhancing and updating code to something more newer.

Also works nicely on Ajax add to cart for simple products, for product variations from variable products and also on the cart quantity input field.

All the code:

// Displaying quantity setting fields on admin product pages
add_action( 'woocommerce_product_options_pricing', 'wc_qty_add_product_field' );
function wc_qty_add_product_field() {
    global $product_object;

    $values = $product_object->get_meta('_qty_args');

    echo '</div><div class="options_group quantity hide_if_grouped">
    <style>div.qty-args.hidden { display:none; }</style>';

    woocommerce_wp_checkbox( array( // Checkbox.
        'id'            => 'qty_args',
        'label'         => __( 'Quantity settings', 'woocommerce' ),
        'value'         => empty($values) ? 'no' : 'yes',
        'description'   => __( 'Enable this to show and enable the additional quantity setting fields.', 'woocommerce' ),
    ) );

    echo '<div class="qty-args hidden">';

    woocommerce_wp_text_input( array(
            'id'                => 'qty_min',
            'type'              => 'number',
            'label'             => __( 'Minimum Quantity', 'woocommerce-max-quantity' ),
            'placeholder'       => '',
            'desc_tip'          => 'true',
            'description'       => __( 'Set a minimum allowed quantity limit (a number greater than 0).', 'woocommerce' ),
            'custom_attributes' => array( 'step'  => 'any', 'min'   => '0'),
            'value'             => isset($values['qty_min']) && $values['qty_min'] > 0 ? (int) $values['qty_min'] : 0,
    ) );

    woocommerce_wp_text_input( array(
            'id'                => 'qty_max',
            'type'              => 'number',
            'label'             => __( 'Maximum Quantity', 'woocommerce-max-quantity' ),
            'placeholder'       => '',
            'desc_tip'          => 'true',
            'description'       => __( 'Set the maximum allowed quantity limit (a number greater than 0). Value "-1" is unlimited', 'woocommerce' ),
            'custom_attributes' => array( 'step'  => 'any', 'min'   => '-1'),
            'value'             => isset($values['qty_max']) && $values['qty_max'] > 0 ? (int) $values['qty_max'] : -1,
    ) );

    woocommerce_wp_text_input( array(
            'id'                => 'qty_step',
            'type'              => 'number',
            'label'             => __( 'Quantity step', 'woocommerce-quantity-step' ),
            'placeholder'       => '',
            'desc_tip'          => 'true',
            'description'       => __( 'Optional. Set quantity step  (a number greater than 0)', 'woocommerce' ),
            'custom_attributes' => array( 'step'  => 'any', 'min'   => '1'),
            'value'             => isset($values['qty_step']) && $values['qty_step'] > 1 ? (int) $values['qty_step'] : 1,
    ) );

    echo '</div>';
}

// Show/hide setting fields (admin product pages)
add_action( 'admin_footer', 'product_type_selector_filter_callback' );
function product_type_selector_filter_callback() {
    global $pagenow, $post_type;

    if( in_array($pagenow, array('post-new.php', 'post.php') ) && $post_type === 'product' ) :
    ?>
    <script>
    jQuery(function($){
        if( $('input#qty_args').is(':checked') && $('div.qty-args').hasClass('hidden') ) {
            $('div.qty-args').removeClass('hidden')
        }
        $('input#qty_args').click(function(){
            if( $(this).is(':checked') && $('div.qty-args').hasClass('hidden')) {
                $('div.qty-args').removeClass('hidden');
            } else if( ! $(this).is(':checked') && ! $('div.qty-args').hasClass('hidden')) {
                $('div.qty-args').addClass('hidden');
            }
        });
    });
    </script>
    <?php
    endif;
}

// Save quantity setting fields values
add_action( 'woocommerce_admin_process_product_object', 'wc_save_product_quantity_settings' );
function wc_save_product_quantity_settings( $product ) {
    if ( isset($_POST['qty_args']) ) {
        $values = $product->get_meta('_qty_args');

        $product->update_meta_data( '_qty_args', array(
            'qty_min' => isset($_POST['qty_min']) && $_POST['qty_min'] > 0 ? (int) wc_clean($_POST['qty_min']) : 0,
            'qty_max' => isset($_POST['qty_max']) && $_POST['qty_max'] > 0 ? (int) wc_clean($_POST['qty_max']) : -1,
            'qty_step' => isset($_POST['qty_step']) && $_POST['qty_step'] > 1 ? (int) wc_clean($_POST['qty_step']) : 1,
        ) );
    } else {
        $product->update_meta_data( '_qty_args', array() );
    }
}

// The quantity settings in action on front end
add_filter( 'woocommerce_quantity_input_args', 'filter_wc_quantity_input_args', 99, 2 );
function filter_wc_quantity_input_args( $args, $product ) {
    if ( $product->is_type('variation') ) {
        $parent_product = wc_get_product( $product->get_parent_id() );
        $values  = $parent_product->get_meta( '_qty_args' );
    } else {
        $values  = $product->get_meta( '_qty_args' );
    }

    if ( ! empty( $values ) ) {
        // Min value
        if ( isset( $values['qty_min'] ) && $values['qty_min'] > 1 ) {
            $args['min_value'] = $values['qty_min'];

            if( ! is_cart() ) {
                $args['input_value'] = $values['qty_min']; // Starting value
            }
        }

        // Max value
        if ( isset( $values['qty_max'] ) && $values['qty_max'] > 0 ) {
            $args['max_value'] = $values['qty_max'];

            if ( $product->managing_stock() && ! $product->backorders_allowed() ) {
                $args['max_value'] = min( $product->get_stock_quantity(), $args['max_value'] );
            }
        }

        // Step value
        if ( isset( $values['qty_step'] ) && $values['qty_step'] > 1 ) {
            $args['step'] = $values['qty_step'];
        }
    }
    return $args;
}

// Ajax add to cart, set "min quantity" as quantity on shop and archives pages
add_filter( 'woocommerce_loop_add_to_cart_args', 'filter_loop_add_to_cart_quantity_arg', 10, 2 );
function filter_loop_add_to_cart_quantity_arg( $args, $product ) {
    $values  = $product->get_meta( '_qty_args' );

    if ( ! empty( $values ) ) {
        // Min value
        if ( isset( $values['qty_min'] ) && $values['qty_min'] > 1 ) {
            $args['quantity'] = $values['qty_min'];
        }
    }
    return $args;
}

// The quantity settings in action on front end (For variable productsand their variations)
add_filter( 'woocommerce_available_variation', 'filter_wc_available_variation_price_html', 10, 3);
function filter_wc_available_variation_price_html( $data, $product, $variation ) {
    $values  = $product->get_meta( '_qty_args' );

    if ( ! empty( $values ) ) {
        if ( isset( $values['qty_min'] ) && $values['qty_min'] > 1 ) {
            $data['min_qty'] = $values['qty_min'];
        }

        if ( isset( $values['qty_max'] ) && $values['qty_max'] > 0 ) {
            $data['max_qty'] = $values['qty_max'];

            if ( $variation->managing_stock() && ! $variation->backorders_allowed() ) {
                $data['max_qty'] = min( $variation->get_stock_quantity(), $data['max_qty'] );
            }
        }
    }

    return $data;
}

Code goes in functions.php file of your active child theme (or active theme). Tested and works.

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