chaitu chaitu
asked on
how to write it recursively
how to construct the below HTML ;as you can see the table data can be multiply nested.
this is the data from the table.
while(rs.next())
{
al.add(rs.getInt("ID"));
Menu m = new Menu();
m.setId(rs.getInt("ID"));
m.setName(rs.getString("NAME"));
m.setMenuId(rs.getInt("PARENT_ID"));
if(al.contains(rs.getInt("PARENT_ID")))
{
System.out.println("in if...................");
ArrayList<SubMenu> subMenuList = new ArrayList<SubMenu>();
SubMenu sm = new SubMenu();
sm.setId(rs.getInt("ID"));
sm.setName(rs.getString("NAME"));
sm.setMenuId(rs.getInt("PARENT_ID"));
subMenuList.add(sm);
m.setSubMenuList(subMenuList);
}
System.out.println(m);
}
<li>
<a href="#" class="parent"><span>Menu 1</span></a>
<div>
<ul>
<li><a href="#" ><span>Page 1</span></a></li>
<li><a href="#" ><span>Page 2</span></a>
<div>
<ul>
<li><a href="#" ><span>Page 4</span></a></li>
<li><a href="#" ><span>Page 5</span></a></li>
</ul>
</div>
</li>
</ul>
</div>
</li>
<li>
<a href="#" class="parent"><span>Menu 2</span></a>
<div>
<ul>
<li><a href="#" ><span>Page 3</span></a></li>
</ul>
</div>
</li>
<li>
<a href="#" class="parent"><span>Help</span></a>
<div>
<ul>
<li><a href="#" ><span>About</span></a></li>
</ul>
</div>
</li>
this is the data from the table.
ID NAME PARENT_ID LINKS ACTION
4 page1 1 /images/email.gif page1
2 Menu2 (null) (null) Menu2
1 Menu1 (null) /images/home.gif Menu1
3 Help (null) (null) Help
5 page2 1 (null) page2
6 page3 2 /images/photo.gif page3
7 about 3 (null) about
8 page4 5 /images/photo.gif page3
9 page5 5 (null) about
ASKER
Please post the pseudo code.
ASKER CERTIFIED SOLUTION
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Thanx 4 axxepting
1. add all main menu items (parentID = NULL)
2. Add all others (order by parentID)