Action that USES a simple XSLT to call the sample back end service via the Web service Proxy, and creates the response message to be sent back to the requesting client.
操作使用一个简单的XSLT通过Web Service Proxy调用样例后台服务，并创建发送回到请求客户端的响应消息。
2
Asynchronous callback - client issues a request and the target will call a service implemented by the client with the response.
异步回调——客户机发出请求，目标将调用使用响应调用客户机实现的服务。
3
The specified call-back function handles the response from the Web service.