数据库 xml 查找 某个属性所有的值

           declare @temp xml

select @temp= cast(Right_xml as xml).query('/WorkItem/WorkForm/WorkCtrl')
from Platform.FormRight
where flow_set_id = 632

select T.c.value('@CtrlCode', 'varchar(max)')
from @temp.nodes('/WorkCtrl') as T(c)