public string GetTreeNav(int ID,int Num)
{
StringBuilder sb = new StringBuilder();
sb.Append("[{\"id\":1,\"text\":\"根目录\",\"children\":[");
sb.Append(GetTreeSon(ID,Num));
sb.Append("]}]");
return sb.ToString();
}
public string GetTreeSon(int ID,int Num)
{
StringBuilder sb = new StringBuilder();
DataTable dt = GetTableByParentID(ID,"视频");
for (int i = 0; i < dt.Rows.Count; i++)
{
if (Num == 1) { sb.Append("{\"id\":" + dt.Rows[i]["ID"].ToString() + ",\"text\":\"" + dt.Rows[i]["ClassName"].ToString() + "\"}"); }
else {
sb.Append("{\"id\":" + dt.Rows[i]["ID"].ToString() + ",\"text\":\"" + dt.Rows[i]["ClassName"].ToString() + "\",\"state\":\"closed\",\"children\":[" + GetTreeSon(Convert.ToInt32(dt.Rows[i]["ID"]), Num - 1) + "]}");
}
if (i < dt.Rows.Count - 1)
{
sb.Append(",");
}
}
return sb.ToString();
}