定义“视图”并描述可以在视图上执行的操作。

Defines "view" and describes the operations you can perform on views.

youdao

每当用户在视图上执行一个操作时，每一个视图控制器就会接收到这个操作。

Each view controller receives the action every time the user performs an action on the view.

youdao

您可以在预定义的BPC数据库视图上执行SQL查询。

You can make the SQL query on the predefined BPC database view.

youdao