NC 后端调用单据动作&系统默认校验

		// 更新合同  nc.impl.pmpub.servicebase.action.
		UpdateAction<ContractBillVO> action = new UpdateAction<ContractBillVO>();
		action.addBeforeRule(new UpdateAuditInfoBeforeRule<ContractBillVO>());
		action.processAction(fullVOs, originVOs);
参考类：nc.impl.pcm.contract.util.ContractWriteBackUtil 114行