<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" version="3.1">
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
  </welcome-file-list>

  <servlet>
    <servlet-name>CreateOrderServlet</servlet-name>
    <servlet-class>web.payment.controller.CreateOrderServlet</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>CreateOrderServlet</servlet-name>
    <url-pattern>/api/payment/orders</url-pattern> <!-- 或 /api/orders，看你前端 -->
  </servlet-mapping>

  <servlet>
    <servlet-name>PaymentCallbackServlet</servlet-name>
    <servlet-class>web.payment.controller.PaymentCallbackServlet</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>PaymentCallbackServlet</servlet-name>
    <url-pattern>/api/payment/callback</url-pattern>
  </servlet-mapping>

  <servlet>
    <servlet-name>GetOrderServlet</servlet-name>
    <servlet-class>web.payment.controller.GetOrderServlet</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>GetOrderServlet</servlet-name>
    <url-pattern>/api/payment/orders/*</url-pattern> <!-- 或 /api/orders/* -->
  </servlet-mapping>
</web-app>