/// <summary>
 /// 添加一个类命名空间
 /// </summary>
 /// <param name="cns"></param>
 public bool Add(ConfigServers cns)
 {
     try
     {
         //先删除
         Delete(cns.Name);
         XElement xelem  = XElement.Load(XmlFile);
         XElement newLog = new XElement("server",
                                        new XElement("name", cns.Name),
                                        new XElement("type", cns.Type),
                                        new XElement("servername", cns.ServerName),
                                        new XElement("database", cns.Database),
                                        new XElement("uid", cns.Uid),
                                        new XElement("pwd", cns.Pwd == null ? "" : Encryption.DesEncrypt(cns.Pwd)),
                                        new XElement("port", cns.Port),
                                        new XElement("file", cns.file)
                                        );
         xelem.Add(newLog);
         xelem.Save(XmlFile);
         return(true);
     }
     catch
     {
         return(false);
     }
 }
 /// <summary>
 /// 保存类命名空间
 /// </summary>
 /// <param name="cns"></param>
 /// <returns></returns>
 public bool Save(ConfigServers cns, string oldmodel = "")
 {
     if (oldmodel != null)
     {
         Delete(oldmodel);
     }
     return(Add(cns));
 }
 /// <summary>
 /// 查询一个命名空间
 /// </summary>
 /// <param name="namespace1"></param>
 /// <returns></returns>
 public ConfigServers Get(string name)
 {
     try
     {
         XElement xelem    = XElement.Load(XmlFile);
         var      queryXML = from xele in xelem.Elements("namespaceclass")
                             where xele.Element("model").Value == name
                             select new
         {
             name       = xele.Element("name").Value,
             type       = xele.Element("type").Value,
             servername = xele.Element("servername").Value,
             database   = xele.Element("database").Value,
             uid        = xele.Element("uid").Value,
             pwd        = xele.Element("pwd").Value,
             port       = xele.Element("port").Value,
             file       = xele.Element("file").Value
         };
         ConfigServers cns = new ConfigServers();
         if (queryXML.Count() > 0)
         {
             var q = queryXML.First();
             cns.Name       = q.servername + q.type;
             cns.Database   = q.database;
             cns.file       = q.file;
             cns.Port       = q.port;
             cns.Pwd        = q.pwd == null ? "" : Encryption.DesDecrypt(q.pwd);
             cns.Uid        = q.uid;
             cns.Type       = q.type;
             cns.ServerName = q.servername;
         }
         return(cns);
     }
     catch
     {
         return(null);
     }
 }