/*医生查看发件箱*/
        public AllMessage MessageSent(DateTime? startDate, DateTime? endDate) {
            AllMessageEntity allMessageEntity = null;

            if (startDate == null) {
                allMessageEntity = new AllMessageEntity();
                allMessageEntity.ErrorMessage = "Start Date! @Service";
            }
            else if (endDate == null) {
                allMessageEntity = new AllMessageEntity();
                allMessageEntity.ErrorMessage = "End Date! @Service";
            }
            else {
                allMessageEntity = doctorLogic.MessageSent(startDate, endDate);
            }
            AllMessage allMessage = new AllMessage();
            TranslateAllMessageEntityToAllMessageContractData(allMessageEntity, allMessage);

            return allMessage;
        }
 private void TranslateAllMessageEntityToAllMessageContractData(
     AllMessageEntity allMessageEntity,
     AllMessage allMessage) {
     allMessage.ErrorMessage = allMessageEntity.ErrorMessage;
     allMessage.Count = allMessageEntity.Count;
     if (allMessage.Count > 0) {
         allMessage.message = new Message[allMessage.Count];
         for (int i = 0; i < allMessage.Count; i++) {
             allMessage.message[i] = new Message();
             allMessage.message[i].ErrorMessage = allMessageEntity.messageEntity[i].ErrorMessage;
             allMessage.message[i].Date = allMessageEntity.messageEntity[i].Date;
             allMessage.message[i].Sender = allMessageEntity.messageEntity[i].Sender;
             allMessage.message[i].Receiver = allMessageEntity.messageEntity[i].Receiver;
             allMessage.message[i].Status = allMessageEntity.messageEntity[i].Status;
             allMessage.message[i].Context = allMessageEntity.messageEntity[i].Context;
         }
     }
 }
 /*用户取回发件箱*/
 public AllMessage MessageSent(string userID, string password, DateTime? startDate, DateTime? endDate) {
     UserService userService = new UserService();
     UserInfo userInfo = userService.Login(userID, password);
     if (userInfo.ErrorMessage == null) {
         return userService.MessageSent(startDate, endDate);
     }
     else {
         AllMessage allMessage = new AllMessage();
         allMessage.ErrorMessage = userInfo.ErrorMessage;
         return allMessage;
     }
 }