Hibernate set 映射设置顺序
在xx.bhm.xml　文件 <set>　中添加条件　 order-by="purview_id asc"

1,order-by="purview_id "　这样默认是正序

2,order-by="purview_id asc"　这样是正序

3order-by="purview_id desc "　这样是倒序