//删除节点
public Boolean deletenode(Assortmentdatanode mm, float gailv)
{
Assortment mword = mm.getuser_work();
if (mword.getPro() < gailv)
{
Assortmentdatanode beforenode = mm.getbfserchdatanode();
beforenode.setnextserchdatanode(mm.getnextserchdatanode());
mm = null;
return(true);
}
else
{
return(deletenode(mm.getnextserchdatanode(), gailv));
}
}