IDOC 实例 outbound idoc
http://blogold.chinaunix.net/u2/86821/showart_1983654.html
IDOC 实例 inbound idoc
http://blogold.chinaunix.net/u2/86821/showart_1989342.html
IDOC实例，消息方式的IDOC
http://blogold.chinaunix.net/u2/86821/showart_1994734.html
test it and you can know that