C#导出excel

【文件属性】：
文件名称：C#导出excel
文件大小：3KB
文件格式：CS
更新时间：2021-11-01 10:28:36
C# EXCEL C#导出excel ///

/// 导出到Excel ///

/// /// public bool ToExcel(DataTable table) { FileStream fs = new FileStream(this._filePath, FileMode.OpenOrCreate, FileAccess.ReadWrite); IWorkbook workBook = new HSSFWorkbook(); this._sheetName = this._sheetName.IsEmpty() ? "sheet1" : this._sheetName; ISheet sheet = workBook.CreateSheet(this._sheetName); //处理表格标题 IRow row = sheet.CreateRow(0); row.CreateCell(0).SetCellValue(this._title); sheet.AddMergedRegion(new CellRangeAddress(0, 0, 0, table.Columns.Count - 1)); row.Height = 500; ICellStyle cellStyle = workBook.CreateCellStyle(); IFont font = workBook.CreateFont(); font.FontName = "微软雅黑"; font.FontHeightInPoints = 17; cellStyle.SetFont(font); cellStyle.VerticalAlignment = VerticalAlignment.Center; cellStyle.Alignment = HorizontalAlignment.Center; row.Cells[0].CellStyle = cellStyle; //处理表格列头 row = sheet.CreateRow(1); for (int i = 0; i < table.Columns.Count; i++) { row.CreateCell(i).SetCellValue(table.Columns[i].ColumnName); row.Height = 350; sheet.AutoSizeColumn(i); } //处理数据内容 for (int i = 0; i < table.Rows.Count; i++) { row = sheet.CreateRow(2 + i); row.Height = 250; for (int j = 0; j < table.Columns.Count; j++) { row.CreateCell(j).SetCellValue(table.Rows[i][j].ToString()); sheet.SetColumnWidth(j, 256 * 15); } } //写入数据流 workBook.Write(fs); fs.Flush(); fs.Close(); return true; } ///

/// 导出到Excel ///

/// /// /// /// public bool ToExcel(DataTable table, string title, string sheetName, string filePath) { this._title = title; this._sheetName = sheetName; this._filePath = filePath; return ToExcel(table); }