/**
  * 打开添加
  *
  * @param model
  * @param source
  * @return
  */
 @RequestMapping(params = "action=create", method = RequestMethod.GET)
 public String initCreate(ModelMap model) {
   ContactGroupDTO contactGroupDTO = new ContactGroupDTO();
   contactGroupDTO.setAllContacters(contactGroupService.getAllContacters());
   model.addAttribute("command", contactGroupDTO);
   return EDIT_PAGE;
 }