public EmsModel.JsonModel GetJsonModel(EmsModel.Role role)
        {
            //当前页
            int pageIndex = 1;
            //页容量
            int pageSize = 16;
            List <EmsModel.Role> modList = GetList(role);
            //定义分页数据实体
            PagedDataModel <EmsModel.Role> pagedDataModel = null;
            //定义JSON标准格式实体中
            JsonModel jsonModel = null;

            if (modList.Count > 0)
            {
                var list = modList;
                //总条数
                int rowCount = modList.Count;
                //总页数
                int pageCount = (int)Math.Ceiling(rowCount * 1.0 / pageSize);
                //将数据封装到PagedDataModel分页数据实体中
                pagedDataModel = new PagedDataModel <EmsModel.Role>()
                {
                    PageCount = pageCount,
                    PagedData = list,
                    PageIndex = pageIndex,
                    PageSize  = pageSize,
                    RowCount  = rowCount
                };
                //将分页数据实体封装到JSON标准实体中
                jsonModel = new JsonModel()
                {
                    Data    = pagedDataModel,
                    Msg     = "成功",
                    Status  = "ok",
                    BackUrl = ""
                };
                return(jsonModel);
            }
            else
            {
                jsonModel = new JsonModel()
                {
                    Status = "no",
                    Msg    = "失败"
                };
                return(jsonModel);
            }
        }
 /// <summary>
 /// 获取泛型数据列表
 /// </summary>
 public List <EmsModel.Role> GetList(EmsModel.Role role)
 {
     return(dal.GetList(role));
 }