SAP BAPI的一些初级资料
周围的人都比较忙，一切得靠自己学，慢慢摸索。 BAPI有的是类，有的是函数。'Business application programming interface'的简称。BAPI is 'Business application programming interface', similar to API. which are stable, standardized methods to access data in R/3
To use BAPIs to access SAP business objects you will need a good understanding of object-oriented programming. You should also have a basic knowledge of the R/3 System.
BAPIs can be accessed from various programming environments, for example, Delphi/Connect from Inprise (formerly Borland), Microsoft’s Visual Studio, C++ and Java platforms. You must be familiar with the development environment used to access BAPIs.
BAPIs are available from development platforms external to R/3 that support the Remote Function Call (RFC) protocol. If you are developing your application in a non-object oriented programming language, you need to have RFC programming skills to call BAPIs via RFC. In particular, you need to know how to perform RFC calls.
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BAPI的简单实现步骤
一，创建Function Module
1，在SM11，创建需要的structure
2，在SE80，建Function group
3，在SE37，创建Function Module
Note：一个Function Group只能包含一个BAPI；参数传值；必须有有一个BAPIRETURN类型的EXPORT参数
二，封装
1，在SWO1，建Object Type
2，把Function Module作为一个Method加入，utilities->API Methods->Add Method
3，release Object和Module。使在BAPI Browser 中可以看到。也就是外部能够调用。
三，调用
1，如在另一系统中用ABAP调用，先在SM59中建RFC联到有BAPI的R/3，(ZGOGO)
在SE38的程序中调用，Call Function "ZBAPIXXXXX" DESTINATION ZGOGO EXPORTING ...
2，如用JAVA调用
引入包；（不一定要用IBM的）
import com.sap.rfc.*;
import com.sap.rfc.exception.*;
import com.ibm.sap.bapi.*;
import com.ibm.sap.bapi.generated.*;
建立连接；调用。。。（See CALL_BAPI.java）
VBA for SAP
Private Sub CommandButton1_Click()
Set oFunction = CreateObject("SAP.LogonControl.1")
Set oConnection = oFunction.NewConnection
oConnection.Client = "500"
oConnection.Language = "EN"
oConnection.User = "user"
oConnection.Password = "pasword"
oConnection.ApplicationServer = "sap1.yok.com.cn"
oConnection.SystemNumber = "01"
result = oConnection.Logon(0, True)
Set ofun = CreateObject("SAP.FUNCTIONS")
Set ofun.Connection = oConnection
Set func = ofun.Add("RFC_READ_TABLE")
func.Exports("QUERY_TABLE") = "MARA"
If func.Call = True Then
Set oline = func.tables.Item("DATA")
Row = oline.rowcount
i = 1
Do While i
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