钩住woocommerce_currency 滤器

function change_woocommerce_currency( $currency ) {
    if ( is_product_category( \'my-special-cat\' ) ) {
        $currency = \'myCred\' // or whatever the currency symbol is
    }
    return $currency;
}
add_filter( \'woocommerce_currency\', \'change_woocommerce_currency\' );