static void Main(string[] args)        {            //OperateFolderItem();            DataTable dt = ExcelToDS(@"C:\Users\Administrator\Desktop\wage1.xlsx");            using (SPSite spSite = new SPSite("http://127.0.0.1"))            {                using (SPWeb spWeb = spSite.RootWeb)                {                    SPList list = spWeb.GetListFromUrl("/Lists/salary/AllItems.aspx");                    foreach (DataRow row in dt.AsEnumerable())                    {                        //向列表中指定的文件夹中添加列表项                        SPListItem spListItem = list.AddItem("/Lists/salary/2014/2", SPFileSystemObjectType.File);                        spListItem[spListItem.Fields["Number"].InternalName] = row[0];                        spListItem["Date"] = Convert.ToDateTime(row[2]);                        spListItem[spListItem.Fields["Name"].InternalName] = row[1];                        spListItem[spListItem.Fields["Else"].InternalName] = row[5];                        spListItem[spListItem.Fields["RealWage"].InternalName] = row[7];                        spListItem[spListItem.Fields["Tax"].InternalName] = row[6];                        spListItem[spListItem.Fields["Wage"].InternalName] = row[3];                        spListItem[spListItem.Fields["YangLao"].InternalName] = row[4];                        //别忘了保存                        spListItem.Update();                    }                }            }        }        private static void OperateFolderItem()        {            //要读取的文件夹ID            int _iFolderId = 21;            using (SPSite spSite = new SPSite("http://127.0.0.1"))            {                using (SPWeb spWeb = spSite.RootWeb)                {                    SPList list = spWeb.GetListFromUrl("/Lists/salary/AllItems.aspx");                    SPQuery query = new SPQuery();                    query.ViewAttributes = "Scope=\"Recursive\"";                    //设置查询文件夹并且统计查询列表项数量                    if (_iFolderId == -1)                    {                        query.Folder = list.RootFolder;                    }                    else                    {                        query.Folder = list.GetItemById(_iFolderId).Folder;                    }                    //查询列表中的文件夹中的所有列表项                    SPListItemCollection spListItemColl = list.GetItems(query);                    DataTable dtss = spListItemColl.GetDataTable();                    //向列表中指定的文件夹中添加列表项                    SPListItem spListItem = list.AddItem("/Lists/salary/2014/1", SPFileSystemObjectType.File);                    spListItem["Title"] = "a";                    spListItem["应发酬金"] = 66;                    //别忘了保存                    spListItem.Update();                }            }        }        public static DataTable ExcelToDS(string Path)        {            string strConn = "Provider=Microsoft.Ace.OleDb.12.0;" + "Data Source=" + Path + ";" + "Extended Properties='Excel 12.0;HDR=Yes;IMEX=1';";            OleDbConnection conn = new OleDbConnection(strConn);            try            {                DataTable dt = new DataTable();                if (conn.State != ConnectionState.Open)                    conn.Open();                string strExcel = "select * from [Sheet1$]";                OleDbDataAdapter adapter = new OleDbDataAdapter(strExcel, conn);                adapter.Fill(dt);                return dt;            }            catch (Exception ex)            {                throw new Exception(ex.Message);            }            finally            {                if (conn.State != ConnectionState.Closed)                    conn.Close();            }        }