中过滤对象过滤bindList中不存在列表的对象(基于两个对象的id ) listmaterielbindingdetailsentitybindlist=new ArrayList bindlist.add(Objec1; bindlist.add(Objec2; for(objectstr:list ) { bindList=bindList.stream ).filter(d-! d.getMaterielId ().equals (str.getmaterielid ) )、collectors.tolist ) ); }//bindList适于将滤波后存在的集合归纳起来进行排列滤波器排列、排列滤波器对象等