根據實際業務需要,導出Excel表格不可能只有一列表頭,可能會有合並單元格的情況。
public async Task<ActionResult> Query_Export() { //數據查詢 var result = await ApiService.GetList_Regulatory(); #region 創建excel //創建excel工作薄 HSSFWorkbook wb = new HSSFWorkbook(); //創建excel 單元格式1 ICellStyle cellStyle = wb.CreateCellStyle(); cellStyle.BorderTop = NPOI.SS.UserModel.BorderStyle.Thin; cellStyle.BorderBottom = NPOI.SS.UserModel.BorderStyle.Thin; cellStyle.BorderLeft = NPOI.SS.UserModel.BorderStyle.Thin; cellStyle.BorderRight = NPOI.SS.UserModel.BorderStyle.Thin; //水平對齊 cellStyle.Alignment = NPOI.SS.UserModel.HorizontalAlignment.Center; //垂直對齊 cellStyle.VerticalAlignment = VerticalAlignment.Center; //設置字體 IFont font = wb.CreateFont(); font.FontHeightInPoints = 15; font.FontName = "微軟雅黑"; font.Boldweight = (short)FontBoldWeight.Bold; cellStyle.SetFont(font); //創建excel 單元格式2 ICellStyle cellStyle1 = wb.CreateCellStyle(); cellStyle1.BorderTop = NPOI.SS.UserModel.BorderStyle.Thin; cellStyle1.BorderBottom = NPOI.SS.UserModel.BorderStyle.Thin; cellStyle1.BorderLeft = NPOI.SS.UserModel.BorderStyle.Thin; cellStyle1.BorderRight = NPOI.SS.UserModel.BorderStyle.Thin; //水平對齊 cellStyle1.Alignment = NPOI.SS.UserModel.HorizontalAlignment.Center; //垂直對齊 cellStyle1.VerticalAlignment = VerticalAlignment.Center; //設置字體 IFont font1 = wb.CreateFont(); font1.FontHeightInPoints = 12; font1.FontName = "微軟雅黑"; //設置背景顏色 cellStyle1.FillForegroundColor = NPOI.HSSF.Util.HSSFColor.Grey40Percent.Index; cellStyle1.FillPattern = FillPattern.SolidForeground; cellStyle1.SetFont(font1); //創建excel 單元格式3 ICellStyle cellStyle2 = wb.CreateCellStyle(); //水平對齊 cellStyle2.Alignment = NPOI.SS.UserModel.HorizontalAlignment.Center; //垂直對齊 cellStyle2.VerticalAlignment = VerticalAlignment.Center; //設置字體 IFont font2 = wb.CreateFont(); font2.FontHeightInPoints = 10; font2.FontName = "微軟雅黑"; cellStyle2.SetFont(font2); #endregion #region 創建表 //創建表 ISheet sh = wb.CreateSheet("監管名錄統計"); //設置第一列的寬度 //sh.SetColumnWidth(0, 15 * 150); //創建第一行 IRow row = sh.CreateRow(0); //創建七個單元格 ICell rowICell0 = row.CreateCell(0); ICell rowICell1 = row.CreateCell(1); ICell rowICell2 = row.CreateCell(2); ICell rowICell3 = row.CreateCell(3); ICell rowICell4 = row.CreateCell(4); ICell rowICell5 = row.CreateCell(5); ICell rowICell6 = row.CreateCell(6); //給第一單元格添加內容 rowICell0.SetCellValue("監管名錄統計"); rowICell0.CellStyle = cellStyle; rowICell1.SetCellValue(""); rowICell1.CellStyle = cellStyle; rowICell2.SetCellValue(""); rowICell2.CellStyle = cellStyle; rowICell3.SetCellValue(""); rowICell3.CellStyle = cellStyle; rowICell4.SetCellValue(""); rowICell4.CellStyle = cellStyle; rowICell5.SetCellValue(""); rowICell5.CellStyle = cellStyle; rowICell6.SetCellValue(""); rowICell6.CellStyle = cellStyle; sh.AddMergedRegion(new CellRangeAddress(0, 0, 0, 6)); //創建第二行 IRow row0 = sh.CreateRow(1); //創建七個單元格 ICell row0ICell0 = row0.CreateCell(0); ICell row0ICell1 = row0.CreateCell(1); ICell row0ICell2 = row0.CreateCell(2); ICell row0ICell3 = row0.CreateCell(3); ICell row0ICell4 = row0.CreateCell(4); ICell row0ICell5 = row0.CreateCell(5); ICell row0ICell6 = row0.CreateCell(6); //給第一單元格添加內容 row0ICell0.SetCellValue("區域"); row0ICell0.CellStyle = cellStyle1; row0ICell1.SetCellValue("生產"); row0ICell1.CellStyle = cellStyle1; row0ICell2.SetCellValue(""); row0ICell2.CellStyle = cellStyle1; row0ICell3.SetCellValue("加工"); row0ICell3.CellStyle = cellStyle1; row0ICell4.SetCellValue(""); row0ICell4.CellStyle = cellStyle1; row0ICell5.SetCellValue("投入品"); row0ICell5.CellStyle = cellStyle1; row0ICell6.SetCellValue(""); row0ICell6.CellStyle = cellStyle1; sh.AddMergedRegion(new CellRangeAddress(1, 1, 1, 2)); sh.AddMergedRegion(new CellRangeAddress(1, 1, 3, 4)); sh.AddMergedRegion(new CellRangeAddress(1, 1, 5, 6)); //創建第三行 IRow row1 = sh.CreateRow(2); //創建七個單元格 ICell row1ICell0 = row1.CreateCell(0); ICell row1ICell1 = row1.CreateCell(1); ICell row1ICell2 = row1.CreateCell(2); ICell row1ICell3 = row1.CreateCell(3); ICell row1ICell4 = row1.CreateCell(4); ICell row1ICell5 = row1.CreateCell(5); ICell row1ICell6 = row1.CreateCell(6); //給第二單元格添加內容 row1ICell0.SetCellValue("區域"); row1ICell0.CellStyle = cellStyle1; row1ICell1.SetCellValue("正常"); row1ICell1.CellStyle = cellStyle1; row1ICell2.SetCellValue("關閉"); row1ICell2.CellStyle = cellStyle1; row1ICell3.SetCellValue("正常"); row1ICell3.CellStyle = cellStyle1; row1ICell4.SetCellValue("關閉"); row1ICell4.CellStyle = cellStyle1; row1ICell5.SetCellValue("正常"); row1ICell5.CellStyle = cellStyle1; row1ICell6.SetCellValue("關閉"); row1ICell6.CellStyle = cellStyle1; //合並單元格 sh.AddMergedRegion(new CellRangeAddress(1, 2, 0, 0)); #endregion #region 表格賦值 for (int i = 0; i < result.Count; i++) { //創建行 //創建七個單元格 IRow rowTemp = sh.CreateRow(i + 3); ICell Cell0 = rowTemp.CreateCell(0); ICell Cell1 = rowTemp.CreateCell(1); ICell Cell2 = rowTemp.CreateCell(2); ICell Cell3 = rowTemp.CreateCell(3); ICell Cell4 = rowTemp.CreateCell(4); ICell Cell5 = rowTemp.CreateCell(5); ICell Cell6 = rowTemp.CreateCell(6); Cell0.SetCellValue(result[i].area_name); Cell0.CellStyle = cellStyle2; Cell1.SetCellValue(result[i].production_count.ToString()); Cell1.CellStyle = cellStyle2; Cell2.SetCellValue(result[i].un_production_count.ToString()); Cell2.CellStyle = cellStyle2; Cell3.SetCellValue(result[i].processing_count.ToString()); Cell3.CellStyle = cellStyle2; Cell4.SetCellValue(result[i].un_processing_count.ToString()); Cell4.CellStyle = cellStyle2; Cell5.SetCellValue(result[i].inputs_count.ToString()); Cell5.CellStyle = cellStyle2; Cell6.SetCellValue(result[i].un_inputs_count.ToString()); Cell6.CellStyle = cellStyle2; } //輸出的文件名稱 string fileName = "監管名錄統計" + ".xls"; //把Excel轉為流，輸出 //創建文件流 System.IO.MemoryStream bookStream = new System.IO.MemoryStream(); //將工作薄寫入文件流 wb.Write(bookStream); //輸出之前調用Seek（偏移量，游標位置) 把0位置指定為開始位置 bookStream.Seek(0, System.IO.SeekOrigin.Begin); //Stream對象,文件類型,文件名稱 return File(bookStream, "application/vnd.ms-excel", fileName); #endregion }
導出效果：
