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]
.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;

}