public IActionResult Delete(string id) { var recommend = _iRecommendService.GetById(id); var count = 1; if (recommend == null) { throw new Exception("该推荐不存在"); } try { // save _iRecommendService.Delete(id); return(Output(new DeleteOrUpdateResponse { id = id }, count)); } catch (AppException ex) { // return error message if there was an exception return(BadRequest(new { message = ex.Message })); } }