英文:
Programmatically adding a new tax class into "Additional tax classes" in WooCommerce
问题
我正在尝试通过我的自定义插件以编程方式在WooCommerce中添加新的税类。我希望实现与从“WooCommerce ->设置->税收”下的“附加税类”中添加新的税率类相同的功能，但以编程方式。必须出现一个新的部分，位于默认部分“税选项 | 标准税率 | 减少税率 | 零税率”旁边，具有与标准税率、减少税率等相同的功能。这个新部分应该包括一个表格，我可以在其中为不同的国家添加不同的税率。我尝试通过WC_Tax类来实现这一点，但没有成功：
function wm_add_additional_rate_tax_classes() {
$silver_rates = WC_Tax::create_tax_class('Silver Metal', 'silver-metal-tax-rates');
$platinum_rates = WC_Tax::create_tax_class('Platinum Metal', 'platinum-metal-tax-rates');
$palladium_rates = WC_Tax::create_tax_class('Palladium Metal', 'palladium-metal-tax-rates');
}
add_action('init', 'wm_add_additional_rate_tax_classes');
它正在添加新的税率类，并出现在“税选项 | 标准税率 | 减少税率 | 零税率”旁边，但当我单击其中任何一个时，没有界面用于为不同国家添加税率。有没有办法实现这一点？
英文:
I'm trying to programmatically add a new tax class in WooCommerce from my custom plugin. I want to achieve the same functionality as adding a new tax rate class from "Additional tax classes" under "WooCommerce -> Settings -> Tax" but programmatically. A new section next to the default ones "Tax options | Standard rates | Reduced rate rates | Zero rate rates" must appear with my new class and the functionality must be the same as Standart rates, Reduced rate rates etc... A table where I can add different rates for different countries. I tried achieving this through WC_Tax class but without success:
function wm_add_additional_rate_tax_classes() {
$silver_rates = WC_Tax::create_tax_class('Silver Metal', 'silver-metal-tax-rates');
$platinum_rates = WC_Tax::create_tax_class('Platinum Metal', 'platinum-metal-tax-rates');
$palladium_rates = WC_Tax::create_tax_class('Palladium Metal', 'palladium-metal-tax-rates');
}
add_action( 'init', 'wm_add_additional_rate_tax_classes' );
It's adding new tax rate classes and they appear next to "Tax options | Standard rates | Reduced rate rates | Zero rate rates" but when I click on any of them there is no interface for adding tax rates for different countires. Any idea how to achieve this?
答案1
得分: 1
你的代码应该按预期工作，也许 bug 与缓存或其他什么有关？尝试这个：
```php
WC_Cache_Helper::invalidate_cache_group('taxes');
我不知道你的问题的原因。将此代码直接粘贴到 functions.php 后，它将在仪表板中显示具有 UI 的税类：
function add_additional_rate_tax_classes()
{
$tax_class_name = 'sample-tax-class';
$tax_class_slug = 'sample-tax-class';
$tax_class = WC_Tax::create_tax_class($tax_class_name, $tax_class_slug);
}
add_action('init', 'add_additional_rate_tax_classes');
<details>
<summary>英文:</summary>
Your code should work as expected, maybe the bug is related to cache or something? Try this:
WC_Cache_Helper::invalidate_cache_group('taxes');
I don't know the reason of your problem. This code shows tax class with UI in dashboard, when pasted directly to functions.php:
function add_additional_rate_tax_classes()
{
$tax_class_name = 'sample-tax-class';
$tax_class_slug = 'sample-tax-class';
$tax_class = WC_Tax::create_tax_class($tax_class_name, $tax_class_slug);
}
add_action('init', 'add_additional_rate_tax_classes');
</details>
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