当我说publicstaticIMyTypeGetGateWayManager(){IUnityContainer_container=GetContainer();IMyType_gateWayManager=_container.Resolve();return_gateWayManager;}它附带一条警告，提示Useimplicitlytypeslocalvariable。如果我把它改成publicstaticIMyTypeGetGateWayManager(){IUnityContainer_container=GetContainer();var_gateWayManage