Woocommerce后端产品编辑页面中的“将复选框添加到产品类型选项" [英] Add checkbox to product type option in Woocommerce backend product edit pages

问题描述

我在Woocommerce管理产品数据设置中添加了一个自定义选项复选框.如果我启用该复选框并保存更改，则该值会正确保存在产品元数据中，但该复选框永远不会保持选中状态.

I have added a custom option checkbox in Woocommerce admin product data settings. If I enable that checkbox and save the changes, the value is correctly saved in product meta data, but the checkbox never stay checked.

我做错了什么?如何使它作为其他选项复选框起作用?

What I am doing wrong? How to get this working as other option checkboxes?

我的代码:

function add_e_visa_product_option( $product_type_options ) {
    $product_type_options[''] = array(
        'id'            => '_evisa',
        'wrapper_class' => 'show_if_simple show_if_variable',
        'label'         => __( 'eVisa', 'woocommerce' ),
        'description'   => __( '', 'woocommerce' ),
        'default'       => 'no'
    );
    return $product_type_options;
}
add_filter( 'product_type_options', 'add_e_visa_product_option' );

function save_evisa_option_fields( $post_id ) {
  $is_e_visa = isset( $_POST['_evisa'] ) ? 'yes' : 'no';
    update_post_meta( $post_id, '_evisa', $is_e_visa );
}
add_action( 'woocommerce_process_product_meta_simple', 'save_evisa_option_fields'  );
add_action( 'woocommerce_process_product_meta_variable', 'save_evisa_option_fields'  );

推荐答案

答案很简单……您只是忘了在第一个函数中为数组添加键ID，例如:

The answer is very simple… you just forgot to add a key id for your array in the first function, like:

$product_type_options['evisa'] = array( // … …

所以在您的代码中:

add_filter( 'product_type_options', 'add_e_visa_product_option' );
function add_e_visa_product_option( $product_type_options ) {
    $product_type_options['evisa'] = array(
        'id'            => '_evisa',
        'wrapper_class' => 'show_if_simple show_if_variable',
        'label'         => __( 'eVisa', 'woocommerce' ),
        'description'   => __( '', 'woocommerce' ),
        'default'       => 'no'
    );

    return $product_type_options;
}

add_action( 'woocommerce_process_product_meta_simple', 'save_evisa_option_fields'  );
add_action( 'woocommerce_process_product_meta_variable', 'save_evisa_option_fields'  );
function save_evisa_option_fields( $post_id ) {
    $is_e_visa = isset( $_POST['_evisa'] ) ? 'yes' : 'no';
    update_post_meta( $post_id, '_evisa', $is_e_visa );
}

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

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

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