public async Task <JsonResult> CheckMenuItemNameDup([FromBody] string menuItemName) { if (menuItemName.IsNullOrWhiteSpace()) { return(AjaxHelper.JsonResult(HttpStatusCode.BadRequest, "菜单项名不能为空")); } var result = await _menuItemService.CheckMenuItemNameDupAsync(menuItemName); return(AjaxHelper.JsonResult(HttpStatusCode.OK, "成功", result)); }