生成PDF 并利用xls模板生成多个Sheet

using NPOI.HPSF;
using NPOI.HSSF.UserModel;
using NPOI.HSSF.Util;
using NPOI.SS.UserModel;

using System.IO;    

 

 

    private void writeToExcel(HttpResponse res, int sheetCount, DataTable dateTable)
        {
            string orgfilepath = "D:\\iis folder\\web\\files\\templates\\STORAGE_RECEIVE\\HEARDRECEIVE_temp.xls";  //获得模版的路径     
            string tarfilepath = orgfilepath.Replace("HEARD", "TEMP" + DateTime.Now.ToString("mmddyyssffff"));   //要保存的新的文件名

            if (!File.Exists(orgfilepath))
            {
                return;
            }
            FileStream file = new FileStream(orgfilepath, FileMode.Open, FileAccess.Read);
            hssfworkbook = new HSSFWorkbook(file);

            Microsoft.Office.Interop.Excel.Application xApp = new Microsoft.Office.Interop.Excel.Application();
            Microsoft.Office.Interop.Excel.Workbook xBook;
            object oMiss = Missing.Value;

            System.IO.File.Copy(orgfilepath, tarfilepath, false);

            System.Globalization.CultureInfo currentCultureInfo = System.Globalization.CultureInfo.CurrentCulture;
            System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-US");

            xBook = xApp.Workbooks.Open(tarfilepath, null, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss);
            Microsoft.Office.Interop.Excel.Worksheet sheet = (Microsoft.Office.Interop.Excel.Worksheet)xBook.Worksheets[1];

            for (int j = 0; j < sheetCount - 1; j++)  //设置copy几个sheet
            {
                sheet.Copy(sheet, Type.Missing);
            }
            xBook.Save();

            xApp.Workbooks.Close();
            xApp.Quit();

            FileStream newfile = new FileStream(tarfilepath, FileMode.Open, FileAccess.Read);
            hssfworkbook = new HSSFWorkbook(newfile);

            for (int i = 0; i < myTable.Rows.Count; i++)
            {
                InputTOExcel();  //这个方法往模版里写内容

            }

            MemoryStream msfile = new MemoryStream();
            hssfworkbook.Write(msfile);
            System.IO.File.WriteAllBytes(tarfilepath, msfile.ToArray());

            string pdfFile = ComMethod.MadePDF(tarfilepath);

            byte[] datapdf = System.IO.File.ReadAllBytes(pdfFile);

            //删除模版
            //System.IO.DirectoryInfo di = new DirectoryInfo("D:\\iis folder\\web\\files\\templates\\STORAGE_RECEIVE");
            //FileInfo[] fis = di.GetFiles("TEMP*.*");
            //for (int i = 0; i < fis.Length; i++)
            //{

            //    File.Delete(fis[i].FullName);
            //}
            if (res != null)
            {
                res.ContentType = "application/octet-stream";
                res.AddHeader("Content-Disposition", "attachment;filename=" + "receive_" + DateTime.Now.ToString("yyyyMMdd") + ".pdf");
                res.TransmitFile(pdfFile);
                //res.BinaryWrite(datapdf);
                res.End();
            }
        }

 

 

 

 ///

    /// 制作PDF文件
    ///

    /// 转换的xls文件
    public static string MadePDF(string TargetXlsFile)
    {
        object oMiss = Missing.Value;

        Microsoft.Office.Interop.Excel.Application xApp = new Microsoft.Office.Interop.Excel.Application();
        Microsoft.Office.Interop.Excel.XlFixedFormatType excelType = Microsoft.Office.Interop.Excel.XlFixedFormatType.xlTypePDF;
        Microsoft.Office.Interop.Excel.Workbook xBookOK = xApp.Workbooks.Open(TargetXlsFile, null, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss, oMiss);

        string pdfFile = TargetXlsFile.Replace(".xls", ".pdf");

        xBookOK.ExportAsFixedFormat(excelType, pdfFile, XlFixedFormatQuality.xlQualityStandard, true, false, Type.Missing, Type.Missing, Type.Missing, Type.Missing);

        xApp.Workbooks.Close();
        xApp.Quit();

        return pdfFile;
    }