1. 程式人生 > 其它 >C#使用NPOI進行xlsx的讀寫(專案案例)

C#使用NPOI進行xlsx的讀寫(專案案例)

        /// <summary>
        /// 匯出exec
        /// </summary>
        /// <returns></returns>
        public async Task<ActionResult> ExportExamRecord()
        {
            // 資料來源
            var model = new ExportExamExecModel();
            // 方法
            var wk = EquipWordHelper.ExportExamRecordExec(model);
            
using (MemoryStream ms = new MemoryStream()) { wk.Write(ms); //檔名稱 string fileName = $"{model.ProjectName}-{model.Name}-{model.TitleName}-{ DateTime.Now.ToString("yyyy-MM-dd")}.xlsx"; return File(ms.ToArray(), System.Net.Mime.MediaTypeNames.Application.Octet, fileName); } }

處理方法-(ExportExamRecordExec)

      private static readonly string Folder = HttpContext.Current.Server.MapPath("~/File/Template/");

        public static HSSFWorkbook ExportExamRecordExec(ExportExamExecModel model)
        {
            var template = Folder + "Exam.xls";
            using (FileStream fs = new
FileStream(template, FileMode.OpenOrCreate, FileAccess.ReadWrite)) { HSSFWorkbook wk = new HSSFWorkbook(fs); FillContentExamRecord(model, wk); return wk; } }
 public static void FillContentExamRecord(ExportExamExecModel model, HSSFWorkbook wk)
        {
            var rowold = 5;
            var rownum = 4;
            ISheet sheet = wk.GetSheetAt(0);
            for (int rowIndex = 0; rowIndex <= 5; rowIndex++)
            {
                // 1.判斷當前行是否空行,若空行就不在進行讀取下一行操作,結束Excel讀取操作
                IRow row = sheet.GetRow(rowIndex);
                if (row != null)
                {
                    if (rowIndex == 0)
                    {
                        var cell = row.GetCell(0);
                        cell.SetCellValue(model.TitleName);
                    }
                    if (rowIndex == 1)
                    {
                        row.GetCell(1).SetCellValue(model.ProjectName);//專案名稱
                        row.GetCell(7).SetCellValue(model.EquipSupplierName);//供應商名稱
                    }
                    else if (rowIndex == 2)
                    {
                        row.GetCell(1).SetCellValue(model.Name);//姓名
                        row.GetCell(7).SetCellValue(model.JobName);//工種
                    }
                    else if (rowIndex == 3)
                    {
                        row.GetCell(1).SetCellValue(model.CommitTimeStr);//考試時間
                        row.GetCell(7).SetCellValue(model.ExamScore);//得分
                    }
                    else if (rowIndex == 5)
                    {
                        sheet.ShiftRows(5, sheet.LastRowNum, model.ExamInfoList.Count() - 1, true, false);
                        var rowStyle = sheet.GetRow(4);//獲取當前行樣式
                        var xzlist = model.ExamInfoList.Where(x => x.TopicType == 1).OrderBy(x => x.Sort).ToList();
                        var xzsort = 1;
                        foreach (var item in xzlist)
                        {
                            rownum += 1;
                            // 新增行
                            var rowInsert = sheet.CreateRow(rownum);

                            rowInsert.HeightInPoints = 80; //設定列頭行高

                            // 新增列
                            for (int i = 0; i <= 11; i++)
                            {
                                var sourceCell = rowStyle.GetCell(i);
                                var cell2 = rowInsert.CreateCell(i);
                                cell2.CellStyle = sourceCell.CellStyle;
                                cell2.SetCellType(sourceCell.CellType);
                            }
                            if (rownum != 4)
                            {
                                // 合併行/列
                                sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(rownum, rownum, 2, 5));
                                sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(rownum, rownum, 6, 8));
                            }

                            rowInsert.GetCell(0).SetCellValue(xzsort);//序號
                            xzsort += 1;
                            rowInsert.GetCell(1).SetCellValue(item.TopicTypeStr);//型別
                            rowInsert.GetCell(2).SetCellValue(item.TopicContent);//考試題目
                            var rqvalule = item.TopicXXContent.Replace("<br>", "\n");
                            rowInsert.GetCell(6).SetCellValue(rqvalule);//考試選項
                            rowInsert.GetCell(9).SetCellValue(item.TopicAnswer);//正確選項
                            rowInsert.GetCell(10).SetCellValue(item.CommitTopicAnswer);//考試人選項
                            rowInsert.GetCell(11).SetCellValue(item.TopiResult);//考試結果
                        }
                        // 合併選擇項
                        sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(rowold, rownum, 1, 1));

                        var pcrowold = rownum + 1;
                        var pclist = model.ExamInfoList.Where(x => x.TopicType == 2).OrderBy(x => x.Sort).ToList();
                        var pdsort = 1;
                        foreach (var item in pclist)
                        {
                            rownum += 1;
                            var rowInsert = sheet.CreateRow(rownum);

                            rowInsert.HeightInPoints = 80; //設定列頭行高

                            for (int i = 0; i <= 11; i++)
                            {
                                var sourceCell = rowStyle.GetCell(i);
                                var cell2 = rowInsert.CreateCell(i);
                                cell2.CellStyle = sourceCell.CellStyle;
                                cell2.SetCellType(sourceCell.CellType);
                            }
                            if (rownum != 4)
                            {
                                sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(rownum, rownum, 2, 5));
                                sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(rownum, rownum, 6, 8));
                            }

                            rowInsert.GetCell(0).SetCellValue(pdsort);//序號
                            pdsort += 1;
                            rowInsert.GetCell(1).SetCellValue(item.TopicTypeStr);//型別
                            rowInsert.GetCell(2).SetCellValue(item.TopicContent);//考試題目
                            var rqvalule = item.TopicXXContent.Replace("<br>", "\n");
                            rowInsert.GetCell(6).SetCellValue(rqvalule);//考試選項
                            rowInsert.GetCell(9).SetCellValue(item.TopicAnswer);//正確選項
                            rowInsert.GetCell(10).SetCellValue(item.CommitTopicAnswer);//考試人選項
                            rowInsert.GetCell(11).SetCellValue(item.TopiResult);//考試結果
                        }
                        // 合併判斷項
                        sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(pcrowold, rownum, 1, 1));
                    }
                }
            }
        }

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