NPOI上传EXCEL

 /// <summary>
        /// Excel文件导入
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnUpload_Click(object sender, EventArgs e)
        {
            string msg = string.Empty;
            try
            {

                if (FileUpload1.HasFile)
                {
                    string fileName = Server.HtmlEncode(FileUpload1.FileName);
                    string fileExt = System.IO.Path.GetExtension(fileName).ToLower();
                    int result = 0;
                    // 检查上传的文件类型
                    if (fileExt != ".xls" && fileExt != ".xlsx")
                    {
                        Page.ClientScript.RegisterStartupScript(this.GetType(), "", "show(\"请选择需要上传的Excel文件\")", true);
                        return;
                    }
                    List<AllianceSpecialCommissionTicketsResource> list = new List<AllianceSpecialCommissionTicketsResource>();
                    long SCRuleID = Convert.ToInt64(this.hid_SCRuleID.Value);
                    // NPOI
                    Stream fileStream = FileUpload1.PostedFile.InputStream;
                    IWorkbook workbook = null;
                    if (fileExt == ".xlsx")
                    {
                        workbook = new XSSFWorkbook(fileStream); // .xlsx
                    }
                    else
                    {
                        workbook = new HSSFWorkbook(fileStream); // .xls
                    }
                    ISheet sheet = workbook.GetSheetAt(0);
                    for (int i = (sheet.FirstRowNum + 1); i <= sheet.LastRowNum; i++)
                    {
                        IRow row = sheet.GetRow(i);
                        if (row != null)
                        {
                            if (row.Cells.Count == 7)
                            {

                                for (var j = 0; j < 7; j++)
                                {
                                    string c = CommonFunc.ConvertObjectToString(row.GetCell(j)).ToString().Trim();
                                    string colName = GetColName(j);
                                    if (string.IsNullOrEmpty(c))
                                    {
                                        msg = "文件第" + (i + 1) + "行" + colName + "不能为空！"; break;
                                    }
                                    if (j % 2 == 0 && j != 6)
                                    {
                                        //必须为int类型
                                        int re = 0;
                                        if (!Int32.TryParse(c, out re))
                                        {
                                            msg = "文件第" + (i + 1) + "行" + colName + "格式错误！"; break;
                                        }
                                    }
                                    //必须为double类型
                                    if (j == 6)
                                    {
                                        double re = 0;
                                        if (Double.TryParse(c, out re))
                                        {
                                            if (re >= 100)
                                            {
                                                msg = "文件第" + (i + 1) + "行分成率不能超过100%！"; break;
                                            }
                                        }
                                        else
                                        {
                                            msg = "文件第" + (i + 1) + "行" + colName + "格式错误！"; break;
                                        }
                                    }
                                }
                                if (string.IsNullOrEmpty(msg))
                                {
                                    AllianceSpecialCommissionTicketsResource r = new AllianceSpecialCommissionTicketsResource();
                                    r.SCRuleID = SCRuleID;
                                    r.ScenicID = CommonFunc.ConvertObjectToInt32(row.GetCell(0));
                                    r.ScenicName = CommonFunc.ConvertObjectToString(row.GetCell(1)).Trim();
                                    r.TicketID = CommonFunc.ConvertObjectToInt32(row.GetCell(2));
                                    r.TicketName = CommonFunc.ConvertObjectToString(row.GetCell(3)).Trim();
                                    r.ResourceID = CommonFunc.ConvertObjectToInt32(row.GetCell(4));
                                    r.ResourceName = CommonFunc.ConvertObjectToString(row.GetCell(5)).Trim();
                                    r.Rate = CommonFunc.ConvertObjectToDecimalSingle(row.GetCell(6));
                                    r.Rate = r.Rate / 100;
                                    list.Add(r);
                                }
                            }
                            //防止空行
                            else if (row.Cells.Count == 1)
                            {
                                string c1 = CommonFunc.ConvertObjectToString(row.GetCell(row.LastCellNum - 1)).ToString().Trim();
                                if (string.IsNullOrEmpty(c1))
                                {
                                    //空行
                                }
                                else
                                {
                                    msg = "文件第" + (i + 1) + "行数据有误！";
                                }
                            }
                            else
                            {
                                msg = "文件第" + (i + 1) + "行数据有误！";
                            }
                            if (!string.IsNullOrEmpty(msg))
                            {
                                Page.ClientScript.RegisterStartupScript(this.GetType(), "", "show(\"" + msg + "\");isS=true;", true); return;
                            }
                        }
                    }
                    using (TransactionScope scope = new TransactionScope())
                    {
                        AllianceSpecialCommissionRules rule = rDao.FindByPk(SCRuleID);
                        if (rule.ApproveStatus != "W")
                        {
                            rule.ApproveStatus = "W";
                            rule.ApproveTime = null;
                            rule.Approver = null;
                            result = rDao.UpdateAllianceSpecialCommissionRules(rule);
                        }
                        //删除旧数据
                        List<AllianceSpecialCommissionTicketsResource> trs = tDao.GetAll().Where(x => x.SCRuleID == SCRuleID).ToList();
                        foreach (var t in trs)
                        {
                            result = tDao.DeleteAllianceSpecialCommissionTicketsResource(t);
                        }
                        //添加新数据
                        foreach (var r in list)
                        {
                            result = tDao.InsertAllianceSpecialCommissionTicketsResource(r);
                        }
                        if (result == 0)
                        {
                            msg = "Excel导入特殊门票成功！";
                            scope.Complete();
                        }
                        else
                        {
                            msg = "Excel导入特殊门票失败！";
                        }
                    }
                }
                else
                {
                    msg = "请选择上传文件！";
                }
            }
            catch (Exception ex)
            {
                logger.Debug(ex);
                msg = "Excel导入特殊门票失败！";
            }
            Page.ClientScript.RegisterStartupScript(this.GetType(), "", "show(\"" + msg + "\");isS=true;", true);
        }

        protected string GetColName(int k)
        {
            string msg = string.Empty;
            switch (k)
            {
                case 0: msg = "景点ID"; break;
                case 1: msg = "景点名称"; break;
                case 2: msg = "门票ID"; break;
                case 3: msg = "门票名称"; break;
                case 4: msg = "资源ID"; break;
                case 5: msg = "资源名称"; break;
                case 6: msg = "分成率"; break;
            }
            return msg;
        }