调用存储过程取到数据通过NPOI存到Excel中

?

? //调用
?public ActionResult GenerateExcel() {
??????????? DataTable headerTable = new DataTable();
??????????? headerTable.Columns.Add("Status_Id", Type.GetType("System.String"));
??????????? headerTable.Columns.Add("Status_Name", Type.GetType("System.String"));
??????????? headerTable.Columns.Add("Is_Now", Type.GetType("System.String"));
??????????? headerTable.Columns.Add("Curr_User_Id", Type.GetType("System.String"));
??????????? headerTable.Columns.Add("Flow_Id", Type.GetType("System.String"));
???????????
??????????? DataRow headerRow = headerTable.NewRow();
??????????? headerRow["Status_Id"] = "Status_Id";
??????????? headerRow["Status_Name"] = "Status_Name";
??????????? headerRow["Is_Now"] = "Is_Now";
??????????? headerRow["Curr_User_Id"] = "Curr_User_Id";
??????????? headerRow["Flow_Id"] = "Flow_Id";
??????????? headerTable.Rows.Add(headerRow);

??????????? DataTable contentTable = getDataByProc();

??????????? generateExcelOP(headerTable, contentTable);
??????????? ViewData["result"] = "Create successfully";
??????????? return View("ExcelUpload");
??????? }

??????? //生成Excel

??????? public void generateExcelOP(DataTable headerTable,DataTable dt) {

??????????? HSSFWorkbook workbook = new HSSFWorkbook();
??????????? HSSFSheet sheet = workbook.CreateSheet() as HSSFSheet;

??????????? //excel header info
??????????? HSSFRow headerRow = sheet.CreateRow(0) as HSSFRow;
??????????? for(int i = 0 ;i < headerTable.Columns.Count;i++){
??????????????? HSSFCell headerCell = headerRow.CreateCell(i) as HSSFCell;
??????????????? headerCell.SetCellValue(headerTable.Rows[0][i].ToString());
??????????????? headerRow.Cells.Add(headerCell);
??????????? }

??????????? //excel content info
??????????? for(int m =0 ;m < dt.Rows.Count;m++){
??????????????? HSSFRow row = sheet.CreateRow((m+1)) as HSSFRow;
??????????????? for (int n = 0; n < dt.Columns.Count;n++ )
??????????????? {
??????????????????? HSSFCell cell = row.CreateCell(n) as HSSFCell;
??????????????????? cell.SetCellValue(dt.Rows[m][n].ToString());
??????????????????? row.Cells.Add(cell);
??????????????? }
??????????? }

??????????? FileStream fs = new FileStream(@"D:\data\output.xls", FileMode.Create);
??????????? workbook.Write(fs);
??????????? fs.Flush();
??????????? fs.Close();
??????????? workbook.Clear();
??????? }

?

?????? //获取数据

??????? public DataTable getDataByProc() {
??????????? DataTable dt = new DataTable();
??????????? string callName = "GetAuthHistory";
??????????? string devConn = System.Configuration.ConfigurationManager.ConnectionStrings["devConn"].ToString();
??????????? using(SqlConnection conn = new SqlConnection(devConn)){
??????????????? SqlCommand command = new SqlCommand(callName, conn);
??????????????? command.CommandType = CommandType.StoredProcedure;
??????????????? SqlParameter[] sps = {
???????????????????????????????????? new SqlParameter("@currPage",SqlDbType.Int),
????????????????????????????????????? new SqlParameter("@pageSize",SqlDbType.Int)
???????????????????????????????????? };
??????????????? sps[0].Value = 1;
??????????????? sps[1].Value = 20;
?????????????? foreach(SqlParameter sp in sps){
?????????????????? command.Parameters.Add(sp);
?????????????? }
?????????????? SqlDataAdapter sda = new SqlDataAdapter();
?????????????? sda.SelectCommand = command;
?????????????? sda.Fill(dt);
??????????? }

??????????? return dt;
??????? }