public HttpResponseMessage GetAllEmployee() { // 数据库中找到所有employee的信息 // 如果工资为-1 // 则不显示 // 序列化成Json ArrayList list = ManagementHelper.GetAllEmployee(); HttpResponseMessage response = new HttpResponseMessage(); if (list.Count == 0) { response.Content = new StringContent("查找失败"); response.StatusCode = HttpStatusCode.NotFound; } else { response.Content = new StringContent(JsonObjectConverter.ObjectToJson(list)); response.StatusCode = HttpStatusCode.OK; } return(response); }