RestKit 0.20.1 How to map parent id
问题 Given this XML payload: <payload> <year yearNum="2013"> <month monthNum="6" desc="This month was an enlightening month"/> <month monthNum="5" desc="This month was a questioning month"/> <month monthNum="4" desc="This month was a good month"/> <month monthNum="3" desc="This month was a crazy month"/> <month monthNum="2" desc="This month was a dry month"/> <month monthNum="1" desc="This month was a slow month"/> </year> <year yearNum="2012"> <month monthNum="12" desc="This month was a cold