using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
public class MVCSiteMap
{
/// <summary>
///获取siteMap
/// </summary>
/// <param name="CurrentPageUrl">当前页面url，区分大小写，也可以是 Request.Url,但格式要处理好</param>
/// <returns>返回一串html代码，直接读取到html页面就可以了</returns>
public static string GetMvcSiteMap(string CurrentPageUrl)
{
DataSet ds = new DataSet();
ds.ReadXml(HttpContext.Current.Server.MapPath("~/Web.sitemap"));//加载导航xml
DataRow[] drs = ds.Tables[0].Select("url=‘" + CurrentPageUrl + "‘");//根据url寻找当前节点
int rowIndex = drs.Count();//考虑到父节点也有可能同样的url,所以打算取最下面的节点
string url = "";
if (rowIndex > 0)
{
rowIndex = rowIndex - 1;
url = urlLink(ds.Tables[0], drs[rowIndex]["siteMapNode_Id_0"].ToString()) + string.Format("<a>{0}</a>", drs[rowIndex]["title"]);
}
return url;
}
/// <summary>
/// 递归当前节点的父节点
/// </summary>
private static string urlLink(DataTable dt, string parentid)
{
string Html = "";
if (!string.IsNullOrEmpty(parentid))
{
DataRow[] drs = dt.Select("siteMapNode_Id=" + parentid);
if (drs.Count() > 0)
{
string url = drs[0]["url"].ToString();
if (!string.IsNullOrEmpty(url))
{
url = string.Format("href=‘{0}‘", url);
}
Html = string.Format("<a {0}>{1}</a>>", url, drs[0]["title"]);
Html = urlLink(dt, drs[0]["siteMapNode_Id_0"].ToString()) + Html;
}
}
return Html;
}
}
