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  • c# 读取导入的excel文件,循环批量处理数据

        
    dt = FM_HR_ShiftMaintenanceManager.GetCsvToDataTable(strConn, excelName,"XJSQMonthlyImportExcelData"); int iCount = dt.Rows.Count; StringBuilder sb = new StringBuilder(); if (dt != null) { int loop = Convert.ToInt32(Math.Floor((iCount / 100) * 1.0)); DlSoft.Liveflow.Common.Log.LogHelper.Logger.Write("loop :"+loop); if (loop < 1) { for (int j = 0; j < iCount; j++) { if (!string.IsNullOrEmpty(dt.Rows[j][1].ToString())) { sb.Append(dt.Rows[j][0].ToString() + "@@" + dt.Rows[j][1].ToString() + "$$"); } } ssql = string.Format(@"exec usp_UpdateXiuJiaSQMonthlyStatus '{0}'", sb.ToString()); int t = dbt.ExecuteNonQuery(ssql); } else { for (int k = 0; k < loop; k++) { for (int l = 0; l < 100; l++) { if (!string.IsNullOrEmpty(dt.Rows[l + k * 100][1].ToString())) { sb.Append(dt.Rows[l + k * 100][0].ToString() + "@@" + dt.Rows[l + k * 100][1].ToString() + "$$"); } } if (!string.IsNullOrEmpty(sb.ToString())) { ssql = string.Format(@"exec usp_UpdateXiuJiaSQMonthlyStatus '{0}'", sb.ToString()); int tt = dbt.ExecuteNonQuery(ssql); sb.Remove(0, sb.Length); } } for (int m = 0; m < iCount - loop * 100; m++) { if (!string.IsNullOrEmpty(dt.Rows[m + loop * 100][1].ToString())) { sb.Append(dt.Rows[m + loop * 100][0].ToString() + "@@" + dt.Rows[m + loop * 100][1].ToString() + "$$"); } } if (!string.IsNullOrEmpty(sb.ToString())) { ssql = string.Format(@"exec usp_UpdateXiuJiaSQMonthlyStatus '{0}'", sb.ToString()); int ttt = dbt.ExecuteNonQuery(ssql); } } }

      

    获取excel数据

       /// <summary>
            /// 获取excel数据导入.xlsxs
            /// </summary>
            /// <param name="strConn">连接名称</param>
            /// <param name="path">exec地址</param>
            /// <param name="excelName">excel名字</param>
            /// <param name="FillName">exce表自定义名字</param>
            /// <returns></returns>
            public static DataTable GetCsvToDataTable(string strConn, string excelName, string FillName)
            {
                OleDbConnection conn = new OleDbConnection(strConn);
                conn.Open();
                DataSet ds = new DataSet();
                OleDbDataAdapter odda = new OleDbDataAdapter(string.Format("select * from [" + excelName + "$]"), conn);  //这里的表名参数,就是 CSV的完整文件名
                odda.Fill(ds, FillName);
                conn.Close();
                return ds.Tables[0];
            }
    

      

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  • 原文地址:https://www.cnblogs.com/yachao1120/p/9497954.html
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