public class Article
 {
  public int Id { get; set; }
  public string CategoryId { get; set; }
  public string Title { get; set; }
  public string Pic { get; set; }
  public string Host { get; set; }
  public string PicHost => Pic.FormatHostUrl(Host);
  public string Content { get; set; }
  public bool TopStatus { get; set; }
  public DateTime PublishDate { get; set; }
  public string LastUpdateUser { get; set; }
  public DateTime LastUpdateDate { get; set; }
  public bool IsTeacher { get; set; }
  public bool IsParent { get; set; }
  public bool IsOrg { get; set; }
  public bool IsLeaner { get; set; }
  public string ToUserStr
  {
   get
   {
    List<string> strArr = new List<string>();
    if (IsLeaner)
    {
     strArr.Add("學(xué)員");
    }
    if (IsOrg)
    {
     strArr.Add("機(jī)構(gòu)");
    }
    if (IsParent)
    {
     strArr.Add("家長(zhǎng)");
    }
    if (IsTeacher)
    {
     strArr.Add("老師");
    }
    return string.Join(",", strArr);
   }
  }
  public int OrgId { get; set; }
  public object OrgInfo { get; set; }
  public string IsPlatformStr => OrgId == 0 ? "平臺(tái)" : "機(jī)構(gòu)";
 }

public static T CopyObjValue<T>(this T toobj, Object fromobj) where T : class
  {
   if (fromobj != null && toobj != null)
   {
    var otherobjPorps = fromobj.GetType().GetProperties();
    foreach (var formp in otherobjPorps)
    {
     var top = toobj.GetType().GetProperty(formp.Name);
     if (top != null)
     {
      try
      {
       top.SetValue(toobj, formp.GetValue(fromobj));
      }
      catch (Exception e)
      {
       Console.WriteLine(e.Message);
      }
     }
    }
   }
   return toobj;
  }