为应用组件提供了三种主要的接口: 功能接口(Function Interface)、服务接口(Serve Interface)、任务接口(Task Interface) 。继承了面向对象的特点,组件局域具备了许多“软总线”的特性,可以灵活地加载、卸载应用对象 。
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Because it is the initial gateway to a program, the user interface must be able to serve multiple purposes.
因为用户界面是程序最初的入口,所以它必须能够用于多种目的。
The next step is adding methods for your queries to the interface that serve your business requirements
其次是根据业务需求为你的接口增加查询方法
Providing a collection of widgets that serve as building blocks for a rich Web user interface (UI).
提供了一组小部件(widget),可作为丰富Web用户界面(UI)的构建块。
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