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This demo shown that how to using jco.jar, which can make java connect to sap and exchange data for each other by RFC & IDOC.

Java 97.15% HTML 0.30% TSQL 2.55%

sap-interface's Introduction

本例实现了SAP -- JAVA的双向连接调用:

通过JCoServer,SAP可以在调用Java函数库中动态定义的function(或SAP中已定义的RFC)后,让Java端给出对应处理和反馈。

通过JCoFunction,在Java端可以调用SAP端的RFC/BAPI等。

通过JCoIDocServer,可以实现SAP与Java互通IDOC数据文件。

需要注意的是:

JCoServer(JCoIDocServer)和JCoFunction的连接,均建立在JCo destination的连接基础上,

JCoIDocServer继承于JCoServe,专门用来处理IDoc相关业务。

接口固定参数(表)约定:

1、import 参数

E_MSGID	TYPE	ZZT_IF000_LOG-MSGID	    消息标识

E_SENDR	TYPE	ZZT_IF000_LOG-SENDR	    发送方

2、export 参数

I_MSGID	TYPE	ZZT_IF000_LOG-MSGID	    消息标识

3、table 参数

T_RETURN	LIKE	ZZS_IF001_RETURN	接口平台--接口返回结构

4、JAVA端DTO字段名与SAP端字段名最好一致

关于JCO:

SAP的R/3系统与Java平台一样有着许多类似的技术理念,以及同样广泛的企业级用户,但是它们完全是两个不同的世界。当用户面临流程或者数据整合方面的需求的时候,就迫切需要一种高效的方式,在R/3系统和Java平台之间实时地交换数据。基于这样的需求,SAP提供了一套高效的基于RFC的ABAP和Java进程间通讯组件:SAP Java Connector(JCo)。 JCo库提供了可以直接在Java程序中使用的API。该API通过JNI调用部署在客户端的SAP的RFC库。该RFC库是用C语言实现的,并且与JCo库相互独立发布。但是,在下载的JCo库压缩包中也会提供。 该组件支持Inbound(在Java代码中调用ABAP函数)和Outbound(在ABAP代码中调用Java)两种模式。

关于sapjco3.jar,本地library的方式导入

version : 3.0.14 ,lib中对应的dll文件需要放在java jdk安装路径的bin目录内,否则会报错无法启动

关于sapidoc3.jar,本地library的方式导入

version : 3.0.12,需要sapjco3.jar至少也是3.0.12版本才能驱动

注:上述两个jar包在本地导入时只能用原名,切勿改名,否则会报错无法启动

端口号约定:

1、eurake-server

8761-8800

2、eurake-client

4000-4999

3、eureka-discovery

5000-6000

4、zuul

8080

5、springcloud config

9000-9100

sap-interface's People

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