struts 文件下载——导出Excle/导出PDF

######导出Excle########

public InputStream getTableTransaction() throws FileNotFoundException {

  Date datenow=new Date();

  SimpleDateFormat  dateFormatNow=new SimpleDateFormat ("yyyy-M-d-HH-mm-ss");

  String dateNow=dateFormatNow.format(datenow);

  String path=ServletActionContext.getServletContext().getRealPath("/DatExport").replace("/", "\\")+"\\"+dateNow+".csv";   //路径

  File f=new File(path);

  HttpSession session = ServletActionContext.getRequest().getSession();

  saveTransactionList=(List<invoice>)session.getAttribute("list");

  try

  {

   if(f.createNewFile())

   {

    String Contxt=new String();

    String line="Invoice Number, Invoice Date,Invoice Status,Client,Start Date,End Date,Due Date,Currency,Invoice Amount,PST," +    //表头

      "GST,QST,HST,Discount Amounts"+"\r\n";

    Contxt=line;

    if(saveTransactionList!=null)

    {

     for(int i=0;i<saveTransactionList.size();i++)

     {

         invoice st=saveTransactionList.get(i);

      line=st.getInvoicenumber()+","+st.getInvoicedate()+","+st.getInvoicestatus()+","+st.getClientname()+","+st.getStartdate()+","+st.getEnddate()   //内容

        +","+st.getDuedate()+","+st.getCurrency()+","+st.getInvoiceamount()+","+st.getPst()+","+st.getGst()+","+st.getQst()

        +","+st.getHst()+","+st.getDisc_amount()+"\r\n";

      Contxt+=line;

     }

    }

    BufferedWriter output = new BufferedWriter(new FileWriter(f));

       output.write(Contxt);

       output.close();

   }

  }catch (IOException e)

  {

   e.printStackTrace();

  }

  tableTransaction=new java.io.FileInputStream(path);

  return tableTransaction;

 }

 

struts 配置

<action name="searchInvoiceAction*" class="com.hruisoft.www.action.Invoice"

   method="{1}">

   <result name="success">/invoice.jsp</result>

   <result name="fail">/login.jsp</result>

   <result name="ExportToCsv" type="stream">

    <param name="contentType">text/plain</param>

    <param name="inputName">tableTransaction</param>

    <param name="contentDisposition">attachment;filename="report.csv"</param>

    <param name="bufferSize">4096</param>

   </result>

  </action>

 

 ######导出PDF########

public InputStream getPdfTable() throws FileNotFoundException {

  Date datenow=new Date();

  SimpleDateFormat  dateFormatNow=new SimpleDateFormat ("yyyy-M-d-HH-mm-ss");

  String dateNow=dateFormatNow.format(datenow);

  String path=ServletActionContext.getServletContext().getRealPath("/DatExport").replace("/", "\\")+"\\"+dateNow+".pdf";

  try

  {

   HttpSession session = ServletActionContext.getRequest().getSession();  

   String reportType="";

   if(session.getAttribute("reportType")!=null)

    reportType=(String)session.getAttribute("reportType");

   Document document = new Document(PageSize.A4.rotate());   

   PdfWriter writer = PdfWriter.getInstance(document,new FileOutputStream(path));

   HeaderFooter footer = new HeaderFooter(new Phrase("Page ",new Font(Font.HELVETICA, 6)), true);

   footer.setBorder(Rectangle.NO_BORDER);

   footer.setAlignment(0);

   document.setFooter(footer);

   document.open();
   PdfPTable table = new PdfPTable(14); //设置列数
   PdfPCell pcell1 = new PdfPCell(new Phrase("Card #", new Font(Font.TIMES_ROMAN, 6, Font.BOLD,Color.BLACK)));

   pcell1.setBackgroundColor(Color.LIGHT_GRAY);

   pcell1.setHorizontalAlignment(2);

   PdfPCell pcell2 = new PdfPCell(new Phrase("Unit #", new Font(Font.TIMES_ROMAN, 6, Font.BOLD, Color.BLACK)));

   pcell2.setBackgroundColor(Color.LIGHT_GRAY);

   pcell2.setHorizontalAlignment(2);

   PdfPCell pcell3 = new PdfPCell(new Phrase("Driver Name", new Font(Font.TIMES_ROMAN, 6, Font.BOLD, Color.BLACK)));

   pcell3.setBackgroundColor(Color.LIGHT_GRAY);

   pcell3.setHorizontalAlignment(2);

   PdfPCell pcell4 = new PdfPCell(new Phrase("DATE", new Font(Font.TIMES_ROMAN, 6, Font.BOLD, Color.BLACK)));

   pcell4.setBackgroundColor(Color.LIGHT_GRAY);

   pcell4.setHorizontalAlignment(2);

   PdfPCell pcell5 = new PdfPCell(new Phrase("TIME", new Font(Font.TIMES_ROMAN, 6, Font.BOLD, Color.BLACK)));

   pcell5.setBackgroundColor(Color.LIGHT_GRAY);

   pcell5.setHorizontalAlignment(2);

   PdfPCell pcell6 = new PdfPCell(new Phrase("Site Number", new Font(Font.TIMES_ROMAN, 6, Font.BOLD, Color.BLACK)));

   pcell6.setBackgroundColor(Color.LIGHT_GRAY);

   pcell6.setHorizontalAlignment(2);

   PdfPCell pcell7 = new PdfPCell(new Phrase("Site Name", new Font(Font.TIMES_ROMAN, 6, Font.BOLD, Color.BLACK)));

   pcell7.setBackgroundColor(Color.LIGHT_GRAY);

   pcell7.setHorizontalAlignment(2);

   PdfPCell pcell9 = new PdfPCell(new Phrase("Province/State", new Font(Font.TIMES_ROMAN, 6, Font.BOLD, Color.BLACK)));

   pcell9.setBackgroundColor(Color.LIGHT_GRAY);

   pcell9.setHorizontalAlignment(2);

   PdfPCell pcell10 = new PdfPCell(new Phrase("Tractor Fuel", new Font(Font.TIMES_ROMAN, 6, Font.BOLD, Color.BLACK)));

   pcell10.setBackgroundColor(Color.LIGHT_GRAY);

   pcell10.setHorizontalAlignment(2);

   PdfPCell pcell11 = new PdfPCell(new Phrase("Reefer Fuel", new Font(Font.TIMES_ROMAN, 6, Font.BOLD, Color.BLACK)));

   pcell11.setBackgroundColor(Color.LIGHT_GRAY);

   pcell11.setHorizontalAlignment(2);

   PdfPCell pcell12 = new PdfPCell(new Phrase("Fuel QTY", new Font(Font.TIMES_ROMAN, 6, Font.BOLD, Color.BLACK)));

   pcell12.setBackgroundColor(Color.LIGHT_GRAY);

   pcell12.setHorizontalAlignment(2);

   PdfPCell pcell13 = new PdfPCell(new Phrase("Litre or Gallon", new Font(Font.TIMES_ROMAN, 6, Font.BOLD, Color.BLACK)));

   pcell13.setBackgroundColor(Color.LIGHT_GRAY);

   pcell13.setHorizontalAlignment(2);

    PdfPCell pcellPFT = new PdfPCell(new Phrase("Previous Odometer ", new Font(Font.TIMES_ROMAN, 6, Font.BOLD, Color.BLACK)));

   pcellPFT.setBackgroundColor(Color.LIGHT_GRAY);

   pcellPFT.setHorizontalAlignment(2);

   PdfPCell pcellHET = new PdfPCell(new Phrase("Odometer", new Font(Font.TIMES_ROMAN, 6, Font.BOLD, Color.BLACK)));

   pcellHET.setBackgroundColor(Color.LIGHT_GRAY);

   pcellHET.setHorizontalAlignment(2);

   table.addCell(pcell1);

   table.addCell(pcell2);

   table.addCell(pcell3);

   table.addCell(pcell4);

   table.addCell(pcell5);

   table.addCell(pcell6);

   table.addCell(pcell7);

   table.addCell(pcell9);

   table.addCell(pcell10);

   table.addCell(pcell11);

   table.addCell(pcell12);

   table.addCell(pcell13);

   table.addCell(pcellPFT);

   table.addCell(pcellHET);

   saveReportList=(List<report>)session.getAttribute("list");

   if(saveReportList!=null)

   {

    Font pdfCellFont=new Font(Font.TIMES_ROMAN, 5,Font.NORMAL,Color.BLACK); //All cell font format

   for(int i=0;i<saveReportList.size();i++)

   {

    report st=saveReportList.get(i);

    table.addCell(new Phrase(st.getCardnumber(),pdfCellFont));//, font));

    table.addCell(new Phrase(st.getUnitnumber(),pdfCellFont));//, font));

    table.addCell(new Phrase(st.getDrivername(),pdfCellFont));//, font));

    table.addCell(new Phrase(st.getDate(),pdfCellFont));//, font));

    table.addCell(new Phrase(st.getTime(),pdfCellFont));//, font));

    table.addCell(new Phrase(st.getSitenumber(),pdfCellFont));//, font));

    table.addCell(new Phrase(st.getSitename(),pdfCellFont));//, font));

    table.addCell(new Phrase(st.getState(),pdfCellFont));//, font));

    table.addCell(new Phrase(st.getTractorfuel(),pdfCellFont));//, font));

    table.addCell(new Phrase(st.getReferfuel(),pdfCellFont));//, font));

    table.addCell(new Phrase(st.getFuelqty(),pdfCellFont));//, font));

    table.addCell(new Phrase(st.getUom(),pdfCellFont));//, font));

    table.addCell(new Phrase(st.getPreviousOdometer(),pdfCellFont));//, font));

    table.addCell(new Phrase(st.getOdometer(),pdfCellFont));//, font));

      }

   }

   document.add(table);

   document.close();

   writer.close();

  }

  catch(FileNotFoundException e)

  {

   e.printStackTrace();

  } catch (DocumentException e) {

   e.printStackTrace();

  } catch (IOException e) {

   e.printStackTrace();

  }  

  pdfTable=new java.io.FileInputStream(path);

  return pdfTable;

 }

 struts 配置与上面类似