日常工作中经常需要将后台的数据导出成excel 格式,这里通过调用微软提供的类库来生成excel 文件。
具体是引用 了Microsoft.Office.Interop.Excel.dll 类库文件来生成excel 文件,这样使用起来比较方便,这是我的实例代码:
public static void ExportExcel() { // excel 文件的数据源
DataSet ds = CommonDB.executeQuery(CommandType.StoredProcedure, "GetAllProducts"); try
{
Application statusExcel = new Microsoft.Office.Interop.Excel.Application();
Workbook statusWorkbook = statusExcel.Application.Workbooks.Add(true);
Worksheet wsStatusSheet = (Worksheet)statusWorkbook.Worksheets.Add(statusWorkbook.Sheets[1], Type.Missing, Type.Missing, Type.Missing);
((Worksheet)statusWorkbook.Sheets["Sheet1"]).Delete();
wsStatusSheet.Name = "Status11"; int excelCurrRow = 1;
wsStatusSheet.Cells[excelCurrRow, 1] = "Name";
wsStatusSheet.Cells[excelCurrRow, 2] = "Category";
wsStatusSheet.Cells[excelCurrRow, 3] = "Price";
wsStatusSheet.Cells[excelCurrRow, 4] = "Description"; Range firstHeaderRow = wsStatusSheet.get_Range("A1:D1", System.Type.Missing);
firstHeaderRow.Font.Bold = true;
firstHeaderRow.Interior.Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.ColorTranslator.FromHtml("#808080"));
firstHeaderRow.Font.Color = 2;
firstHeaderRow.Font.Name = "Calibri";
firstHeaderRow.EntireRow.RowHeight = 30;
firstHeaderRow.VerticalAlignment = Microsoft.Office.Interop.Excel.XlVAlign.xlVAlignCenter; Range statusSheetFirstColumn = wsStatusSheet.get_Range("A:A", System.Type.Missing);
statusSheetFirstColumn.EntireColumn.ColumnWidth = 36.43; Range statusSheetSecondColumn = wsStatusSheet.get_Range("B:B", System.Type.Missing);
statusSheetSecondColumn.EntireColumn.ColumnWidth = 15.71; Range statusSheetThirdColumn = wsStatusSheet.get_Range("C:C", System.Type.Missing);
statusSheetThirdColumn.EntireColumn.ColumnWidth = 15.43; Range statusSheetFourthColumn = wsStatusSheet.get_Range("D:D", System.Type.Missing);
statusSheetFourthColumn.EntireColumn.ColumnWidth = 17.86; excelCurrRow++; for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
{
for (int j = 1; j <= 4; j++)
{
wsStatusSheet.Cells[excelCurrRow, j] = ds.Tables[0].Rows[i][j - 1].ToString();
}
excelCurrRow++;
} // 指定生成的文件名和路径
string statusFilePath = ConfigurationManager.AppSettings["statusExcelPath"];
string fileName = "Result_" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".xlsx";
fileName = statusFilePath + fileName;
if (File.Exists(fileName))
{
File.Delete(fileName);
} object missing = System.Reflection.Missing.Value; // 保存excel 文件
statusWorkbook.SaveAs(fileName, XlFileFormat.xlOpenXMLWorkbook, missing, missing, false, false, XlSaveAsAccessMode.xlNoChange,
XlSaveConflictResolution.xlUserResolution, true, missing, missing, missing); }
catch (Exception ex) { }
}
如下是生成的excel 文件截图: