/// <summary>
/// 添加一个菜单节点，返回节点ID
/// </summary>
/// <param name="text">节点文字</param>
/// <param name="url">节点链接</param>
/// <param name="parentId">父节点ID，根目录ID为0</param>
public bool AddNode(string text, string url, int parentId, int queue)
{
if (text == string.Empty)
{
return(false);
}
MR_PageInfo model = new MR_PageInfo();
model.PName = text;
model.ParentID = parentId;
model.Queue = queue;
if (url.Length > 0)
{
model.PUrl = url;
model.IsUrl = true;
}
else
{
model.PUrl = string.Empty;
model.IsUrl = false;
}
int result = new DR_PageInfo().Add(model);
if (result > 0)
{
StaticFunctions.ClearServerCache();
StaticFunctions.ClearClientPageCache();
return(true);
}
return(false);
}
/// <summary>
/// 从缓存中取页面ID，如果缓存不存在，会先填充
/// </summary>
/// <param name="pageurl"></param>
/// <returns></returns>
public int GetPageId(string pageurl)
{
pageurl = pageurl.ToLower();
if (pageurl.IndexOf("rnd=") > 0)
{
pageurl = pageurl.Substring(0, pageurl.IndexOf("rnd=") - 1);
}
string key = "TMPPAGEINFO";
string linkkey = key + pageurl;
if (HttpContext.Current.Cache[linkkey] != null)
{
return(HttpContext.Current.Cache[linkkey].GetInt(0, false));
}
Dictionary <string, int> dic;
if (HttpContext.Current.Cache[key] == null)
{
dic = new Dictionary <string, int>();
IList <MR_PageInfo> pinfo = new DR_PageInfo().GetList();
foreach (MR_PageInfo info in pinfo)
{
if (!string.IsNullOrEmpty(info.PUrl))
{
if (!dic.ContainsKey(info.PUrl.ToLower()))
{
dic.Add(info.PUrl.ToLower(), info.PID);
}
}
}
HttpContext.Current.Cache.Insert(key, dic, null, DateTime.UtcNow.AddHours(1), TimeSpan.Zero);
}
else
{
dic = (Dictionary <string, int>)HttpContext.Current.Cache[key];
}
//找到库中匹配的
IEnumerable <string> res = dic.Keys.Where(u => pageurl.StartsWith(u));
string dbPageUrl = string.Empty;
//匹配中url最长的
foreach (string tmp in res)
{
if (tmp.Length > dbPageUrl.Length)
{
dbPageUrl = tmp;
}
}
if (!string.IsNullOrEmpty(dbPageUrl))
{
int pageid = dic[dbPageUrl];
HttpContext.Current.Cache.Insert(linkkey, pageid);
return(pageid);
}
;
return(0);
}
/// <summary>
/// 更新一个目录项
/// </summary>
/// <param name="text">说明文字</param>
/// <param name="url">链接地址</param>
/// <param name="nodeId">节点ID</param>
public bool UpdateNode(string text, string url, int nodeId, int queue, bool defShowChild)
{
int result = new DR_PageInfo().Update(text, url, queue, nodeId, defShowChild);
if (result == 0)
{
return(false);
}
return(true);
}
/// <summary>
/// 删除一个节点，及其子节点
/// </summary>
/// <param name="nodeId">节点ID</param>
public bool Delete(int nodeId)
{
int result = new DR_PageInfo().Delete(nodeId);
return(result >= 1);
}
