用的是数据字典-公式:SQL("FR","select area_code from area where parent_code='"+C2+"'",1)
实际值用你的公式
显示值 =$$$
根据控件值自动匹配数据
实际值:split (SQL("FR","select area_code from area where parent_code='"+C2+"'",1),",")
显示值:$$$