问多个CCNode的一个操作

EN

id action = [CCRepeatForever actionWithAction:
                [CCSequence actions:
                    [CCMoveTo actionWithDuration:TIMESPEED position:POINT_TOP],
                              [CCMoveTo actionWithDuration:TIMESPEED position:POINT_START],
                              nil]];

                for (Myitem* bonusitem in self.bonusitems) {
                    [bonusitem runAction:action];
                }