public HttpResponseMessage AddEmployee(dynamic obj)
        {
            HttpResponseMessage response = new HttpResponseMessage();
            Employee            emp      = new Employee();
            Identity            identity = new Identity();


            try
            {
                var employee = JsonConvert.DeserializeObject(JsonObjectConverter.ObjectToJson(obj)) as JObject;
                emp.clinic     = employee.GetValue("clinic_name").ToString();
                emp.credit_num = employee.GetValue("credit_num").ToString();
                emp.password   = employee.GetValue("password").ToString();
                emp.post       = employee.GetValue("post").ToString();
                emp.salary     = double.Parse(employee.GetValue("salary").ToString());
                emp.department = employee.GetValue("dept_name").ToString();

                identity.credit_num = emp.credit_num;
                identity.name       = employee.GetValue("name").ToString();
                identity.sex        = char.Parse(employee.GetValue("sex").ToString());
                identity.birth      = Convert.ToDateTime(employee.GetValue("birth").ToString());
            }
            catch (Exception e)
            {
                response.Content = new StringContent("数据格式错误:" + e.Message);
                return(response);
            }

            try
            {
                ManagementHelper.AddEmployee(identity, emp);
            }
            catch (Exception e)
            {
                response.Content    = new StringContent(e.Message);
                response.StatusCode = HttpStatusCode.BadRequest;
                return(response);
            }
            response.Content = new StringContent("添加成功!" + JsonObjectConverter.ObjectToJson(emp));
            // 数据库中插入
            return(response);
        }