public void prepare() throws Exception {
   super.saveRequestParameter();
   if (memberlevel == null) {
     memberlevel = new Memberlevel();
   }
   String id = this.memberlevel.getLevel_id();
   if (!ValidateUtil.isDigital(id)) {
     memberlevel = this.memberlevelService.get(id);
   }
 }
 public void prepare() throws Exception {
   super.saveRequestParameter();
   if (groupgoods == null) {
     groupgoods = new Groupgoods();
   }
   String id = this.groupgoods.getGroup_id();
   if (!this.validateFactory.isDigital(id)) {
     groupgoods = this.groupgoodsService.get(id);
   }
 }