/// <summary>
/// 写消息
/// </summary>
/// <param name="sendUid"></param>
/// <param name="receiveUid"></param>
/// <param name="subject"></param>
/// <param name="content"></param>
public void SendMessage(int sendUid, int receiveUid, string subject, string content)
{
dal.WriteMessage(sendUid, receiveUid, subject, content);
}
