fetchLinks 多层查询怎么实现

@Table("t_menu")
public class Menu {
private int id;
private String name;
@Column("pid")
private int parentId;
@Column("ct")
private long createTime;
@Column("ut")
private long updateTime;
@One(target=Menu.class, field="parentId")
private Menu parentMenu;
@Many(target=Menu.class, field="parentId")
private List subMenus;
}
List top = dao().query(Menu.class, Cnd.where("parentId", "=", 0));
top = dao().fetchLinks(top, null);

多层查询如何实现？

wendal

1楼•2733天前

想封装一个方法呢??实现无限层的fetchLinks??

qq_1a8953b7 2楼•2733天前

嗯是的想生成树形结构的json

wendal

3楼•2733天前

如果单纯是这个类的话，写个递归方法咯

wendal

4楼•2733天前

qq_1a8953b7 5楼•2733天前

能给个例子不？，实在写不出来才发的帖

wendal

6楼•2733天前

public void deepFetchLinks(Menu m){
       if(m==null) return;
       dao.fetchLinks(m,null);
       deepFetchLinks(m.getParentMenu());
       deepFetchLinks(m.getSubMemus());
}
public void deepFetchLinks(List<Menu> list){
    if(list==null) return;
    for(Menu m:list) deepFetchLinks(m);

}

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