组件的接口和引用没有指定组件如何实现其服务。
A component's interface and references do not specify how the component implements its service. Rather, the service is implemented using one of several available technologies.
连线的源端的引用接口必须与目标组件的接口相符。
The interface of the reference at the source of the wire must match the interface of the target component.
图 10 显示了 ProcessOrder 组件的接口。
Figure 10 shows the interface for the ProcessOrder component.
应用推荐