public ActionResult CommentVote(int id) { Comment cm = CommentBll.GetFirstEntity(c => c.Id == id && c.Status == Status.Pended); if (Session["cm" + id] != null) { return(ResultData(null, false, "您刚才已经投过票了,感谢您的参与!")); } if (cm != null) { cm.VoteCount++; CommentBll.UpdateEntity(cm); Session["cm" + id] = id; bool b = CommentBll.SaveChanges() > 0; return(ResultData(null, b, b ? "投票成功" : "投票失败")); } return(ResultData(null, false, "非法操作")); }