将自定义字段添加到产品类别 [英] Adding custom field to product category

问题描述

如何将自定义字段添加到产品类别?我已经将自定义字段添加到产品中，但是找不到任何扩展功能，可以提供将自定义字段添加到产品类别的功能.

How can I add custom fields to product category? I have added custom field to product but I can't find any extension which provide facility to add custom field to product category.

推荐答案

您可以使用以下操作将自定义字段添加到WooCommerce产品类别:

You can add custom fields to WooCommerce product category by using following action :

• product_cat_add_form_fields
• product_cat_edit_form_fields
• edited_product_cat
• create_product_cat
• product_cat_add_form_fields
• product_cat_edit_form_fields
• edited_product_cat
• create_product_cat

更新于2017年2月17日

UPDATED on 17-Feb-2017

从WordPress 4.4开始，添加了update_term_meta()和get_term_meta()函数.这意味着现在我们不必再将数据保存在wp_options表中，而是将它们存储在wp_termmeta表中.

As of WordPress 4.4, update_term_meta() and get_term_meta() functions have been added. This means that now we don't have to save the data in wp_options table anymore, rather they are now stored in wp_termmeta table.

这是我更新的代码.

//Product Cat Create page
function wh_taxonomy_add_new_meta_field() {
    ?>

    <div class="form-field">
        <label for="wh_meta_title"><?php _e('Meta Title', 'wh'); ?></label>
        <input type="text" name="wh_meta_title" id="wh_meta_title">
        <p class="description"><?php _e('Enter a meta title, <= 60 character', 'wh'); ?></p>
    </div>
    <div class="form-field">
        <label for="wh_meta_desc"><?php _e('Meta Description', 'wh'); ?></label>
        <textarea name="wh_meta_desc" id="wh_meta_desc"></textarea>
        <p class="description"><?php _e('Enter a meta description, <= 160 character', 'wh'); ?></p>
    </div>
    <?php
}

//Product Cat Edit page
function wh_taxonomy_edit_meta_field($term) {

    //getting term ID
    $term_id = $term->term_id;

    // retrieve the existing value(s) for this meta field.
    $wh_meta_title = get_term_meta($term_id, 'wh_meta_title', true);
    $wh_meta_desc = get_term_meta($term_id, 'wh_meta_desc', true);
    ?>
    <tr class="form-field">
        <th scope="row" valign="top"><label for="wh_meta_title"><?php _e('Meta Title', 'wh'); ?></label></th>
        <td>
            <input type="text" name="wh_meta_title" id="wh_meta_title" value="<?php echo esc_attr($wh_meta_title) ? esc_attr($wh_meta_title) : ''; ?>">
            <p class="description"><?php _e('Enter a meta title, <= 60 character', 'wh'); ?></p>
        </td>
    </tr>
    <tr class="form-field">
        <th scope="row" valign="top"><label for="wh_meta_desc"><?php _e('Meta Description', 'wh'); ?></label></th>
        <td>
            <textarea name="wh_meta_desc" id="wh_meta_desc"><?php echo esc_attr($wh_meta_desc) ? esc_attr($wh_meta_desc) : ''; ?></textarea>
            <p class="description"><?php _e('Enter a meta description', 'wh'); ?></p>
        </td>
    </tr>
    <?php
}

add_action('product_cat_add_form_fields', 'wh_taxonomy_add_new_meta_field', 10, 1);
add_action('product_cat_edit_form_fields', 'wh_taxonomy_edit_meta_field', 10, 1);

// Save extra taxonomy fields callback function.
function wh_save_taxonomy_custom_meta($term_id) {

    $wh_meta_title = filter_input(INPUT_POST, 'wh_meta_title');
    $wh_meta_desc = filter_input(INPUT_POST, 'wh_meta_desc');

    update_term_meta($term_id, 'wh_meta_title', $wh_meta_title);
    update_term_meta($term_id, 'wh_meta_desc', $wh_meta_desc);
}

add_action('edited_product_cat', 'wh_save_taxonomy_custom_meta', 10, 1);
add_action('create_product_cat', 'wh_save_taxonomy_custom_meta', 10, 1);

用法，以检索数据:

echo $productCatMetaTitle = get_term_meta($term_id, 'wh_meta_title', true);
echo $productCatMetaDesc = get_term_meta($term_id, 'wh_meta_desc', true);

---

这是代码

//Product Cat creation page
function text_domain_taxonomy_add_new_meta_field() {
    ?>
    <div class="form-field">
        <label for="term_meta[wh_meta_title]"><?php _e('Meta Title', 'text_domain'); ?></label>
        <input type="text" name="term_meta[wh_meta_title]" id="term_meta[wh_meta_title]">
        <p class="description"><?php _e('Enter a meta title, <= 60 character', 'text_domain'); ?></p>
    </div>
    <div class="form-field">
        <label for="term_meta[wh_meta_desc]"><?php _e('Meta Description', 'text_domain'); ?></label>
        <textarea name="term_meta[wh_meta_desc]" id="term_meta[wh_meta_desc]"></textarea>
        <p class="description"><?php _e('Enter a meta description, <= 160 character', 'text_domain'); ?></p>
    </div>
    <?php
}

add_action('product_cat_add_form_fields', 'text_domain_taxonomy_add_new_meta_field', 10, 2);

//Product Cat Edit page
function text_domain_taxonomy_edit_meta_field($term) {

    //getting term ID
    $term_id = $term->term_id;

    // retrieve the existing value(s) for this meta field. This returns an array
    $term_meta = get_option("taxonomy_" . $term_id);
    ?>
    <tr class="form-field">
        <th scope="row" valign="top"><label for="term_meta[wh_meta_title]"><?php _e('Meta Title', 'text_domain'); ?></label></th>
        <td>
            <input type="text" name="term_meta[wh_meta_title]" id="term_meta[wh_meta_title]" value="<?php echo esc_attr($term_meta['wh_meta_title']) ? esc_attr($term_meta['wh_meta_title']) : ''; ?>">
            <p class="description"><?php _e('Enter a meta title, <= 60 character', 'text_domain'); ?></p>
        </td>
    </tr>
    <tr class="form-field">
        <th scope="row" valign="top"><label for="term_meta[wh_meta_desc]"><?php _e('Meta Description', 'text_domain'); ?></label></th>
        <td>
            <textarea name="term_meta[wh_meta_desc]" id="term_meta[wh_meta_desc]"><?php echo esc_attr($term_meta['wh_meta_desc']) ? esc_attr($term_meta['wh_meta_title']) : ''; ?></textarea>
            <p class="description"><?php _e('Enter a meta description', 'text_domain'); ?></p>
        </td>
    </tr>
    <?php
}

add_action('product_cat_edit_form_fields', 'text_domain_taxonomy_edit_meta_field', 10, 2);

// Save extra taxonomy fields callback function.
function save_taxonomy_custom_meta($term_id) {
    if (isset($_POST['term_meta'])) {
        $term_meta = get_option("taxonomy_" . $term_id);
        $cat_keys = array_keys($_POST['term_meta']);
        foreach ($cat_keys as $key) {
            if (isset($_POST['term_meta'][$key])) {
                $term_meta[$key] = $_POST['term_meta'][$key];
            }
        }
        // Save the option array.
        update_option("taxonomy_" . $term_id, $term_meta);
    }
}

add_action('edited_product_cat', 'save_taxonomy_custom_meta', 10, 2);
add_action('create_product_cat', 'save_taxonomy_custom_meta', 10, 2);

使用情况，以检索数据:

$metaArray = get_option('taxonomy_' . $term_id);
echo $productCatMetaTitle = $metaArray['wh_meta_title'];
echo $productCatMetaDesc = $metaArray['wh_meta_desc'];

此代码会出现在您活动的子主题(或主题)的function.php文件中，也可能会出现在任何插件文件中.

所有代码均已通过测试，并且功能齐全.

参考:

• 教程: product_cat_edit_form_fields
• Tutorial: Adding Custom Fields to WooCommerce Product Category
• Official Doc: product_cat_edit_form_fields

这篇关于将自定义字段添加到产品类别的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！