环境初始化
https://blogs.sap.com/2013/05/14/quick-starter-configuration-guide-sap-gateway/
https://help.sap.com/viewer/68bf513362174d54b58cddec28794093/7.4.19/en-US/925822518bc72214e10000000a44176d.html
https://blogs.sap.com/2017/11/19/sap-fiori-ui5-app-configuration-in-sap-fiori-launchpad/
注意：维护GW_HUB时，一定要将RFC dest维护为NONE
新版本中，可通过STC01执行自动化配置
Odata开发
https://blogs.sap.com/2012/10/26/step-by-step-guide-to-build-an-odata-service-based-on-rfcs-part-1/
https://blogs.sap.com/2012/10/26/step-by-step-guide-to-build-an-odata-service-based-on-rfcs-part-2/
https://blogs.sap.com/2012/10/26/step-by-step-guide-to-build-an-odata-service-based-on-rfcs-part-3/
事务代码
维护GW_HUB时，一定要将RFC dest维护为NONE