C#递归生成HTML树
public StringBuilder str = new StringBuilder(); //定义一个字符串
private void get_navigation_childs(List<TableClass> oldData, string parent_id)
{
List<TableClass> dr = oldData.Where(x => x.PCode == parent_id).OrderBy(x => x.Kid).ToList(); //Code代表节点信息，PCode代表父级节点信息，PMMC代表节点名称
bool isWrite = false; //是否输出开始标签
for (int i = ; i < dr.Count(); i++)
{
//如果是*导航
if (parent_id == "")
{
str.Append("<ul>");
str.Append("<li class='parent_li' >"); str.Append("<span title='Collapse this branch'>");
str.Append("<i class='icon-folder-open'></i>" + dr[i].PMMC + "</span> ");
//str.Append("<a href='RoleListEdit.aspx?id=" + dr[i].ID + "&type=Edit'>编辑</a> \n");
//str.Append("<a data='RoleListList.aspx?id=" + dr[i].ID + "&type=Del' onclick='del(this)' >删除</a> \n");
//调用自身迭代
this.get_navigation_childs(oldData, dr[i].Code);
str.Append("</ul>"); }
else //下级导航
{
if (!isWrite)
{
isWrite = true;
str.Append("<ul>");
}
str.Append("<li>");
str.Append(" <span><i class='icon-leaf'></i>" + dr[i].PMMC + "</span>");
//str.Append("<a href='RoleListEdit.aspx?id=" + dr[i].ID + "&type=Edit'>编辑</a> \n");
//str.Append("<a data='RoleListList.aspx?id=" + dr[i].ID + "&type=Del' onclick='del(this)' >删除</a> \n");
//调用自身迭代
this.get_navigation_childs(oldData, dr[i].Code);
str.Append("</li>");
if (i == (dr.Count() - ))
{
str.Append("</ul>");
}
}
}
}
C#递归生成XML树
public void TestBuild(string Path)
{
DataTable dt = InitTable();
XmlElement xe = xd.CreateElement("Datas");
xd.AppendChild(xe);
//执行递归，添加XML节点
BTest(dt, xe);
XmlDocument doc = new XmlDocument();
doc.LoadXml("<?xml version=\"1.0\" encoding=\"utf-8\"?>" + xd.OuterXml.ToString().Replace("/>", "></Item>"));
doc.Save(Path);
}
/// <summary>
/// 递归添加XML节点
/// </summary>
/// <param name="dt">数据源</param>
/// <param name="node">当前节点</param>
public void BTest(DataTable dt, XmlElement node)
{
XmlElement tmp; var list = from r in dt.AsEnumerable()
select r;
if (node != null && node.Attributes["Code"] != null)
{
list = from r in dt.AsEnumerable()
where r["PCode"].ToString().Equals(node.Attributes["Code"].Value)
select r;
} foreach (DataRow row in list)
{
if (!usedElement.Contains(row["Code"].ToString()))
{
usedElement.Add(row["Code"].ToString());
tmp = xd.CreateElement("Item"); var a = tmp.NodeType; tmp.SetAttribute("Code", row["Code"].ToString());
tmp.SetAttribute("PCode", row["PCode"].ToString());
//tmp.InnerText = row["PMMC"].ToString(); node.AppendChild(tmp); BTest(dt, tmp);
}
}
}