SAP Business Objects (类似于java中的对象有attributes和methods,另外还有tables).
1, An SAP Business Objects is the representation of a central business object
in the real world, such as an employee, sales order, purchase requisition,
purchase order, applicant,invoice, and so on.
2, A business object is composed of :
(1), [tables] that are related in a business context,
(2), [Attributes] are characteristics that specify the business object, The attribute
can only be modified by the methods that belong to the business object.
(3), [the related application programs].
3, Business Objects are maintained by SAP in the Business Object Repository(BOR).
BOR是一个工具被用来create, delete, modify 业务对象。
BAPI (Business Application Programming Interface)业务应用编程接口
SAP R/3为了集成第三方软件，为软件厂商提供了接口BAPI，为了access R/3 中的业务数据(business data)
和业务流程(business),必须使用BAPI.
可以这样说一个BAPI就是某个Business Object的一个public attribute或一个public method.
