insert radio button inside payment_fields WooCommerce instead of credit card form

问题

I an developing a custom payment method for WooCommerce. I want to add three radio button after my payment method is selected.

I have added this via browsers's inspect element toll. How can i do this and get the value of radio button inside the extend WooCommerce payment gateway class.

来源：https://stackoverflow.com/questions/53336853/insert-radio-button-inside-payment-fields-woocommerce-instead-of-credit-card-for