首先，需要创建能够从客户端接收请求的接口。
First you need to create an interface that can receive requests from the client.
服务一般是接收请求消息并用响应消息作为应答。
A service usually receives a request message and replies with a response message.
目标服务器接收请求，并检索传播令牌。
The target server receives the request and retrieves the propagation token.
应用推荐