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Export To Excel

chgk
chgk asked
on
Medium Priority
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Last Modified: 2010-03-31
I have an Html page with a button and also some data in table format

On click of button I have to call some servlet or any way. I have to create and Excel sheet and export all the data to that sheet. Any suggestions??


Can I give the HTML content type to Excel format

Thanks
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Mayank SPrincipal Technologist
CERTIFIED EXPERT

Commented:
You can write to an Excel file using Java. Have a look at:

http://jakarta.apache.org/poi/

Author

Commented:
I think we can set the content type of an HTML page to EXCEl

any suggesions on this

Mayank SPrincipal Technologist
CERTIFIED EXPERT

Commented:
Perhaps you can, but I haven't worked with that. Anyway, you said:

>> On click of button I have to call some servlet or any way

So in the Servlet, you can put your Java code to write to the excel-sheet?

Author

Commented:
Any help on Setting the contents type
of html to Excel sheet
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Try out something like this

public synchronized void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
      {
            Log.skip();
            Log.write("Servlet posting...");

            try
            {
                  String filename = request.getParameter("DownLoad");
                  File file = new File(filename);
                  
                  String lsContentDisposition = "attachment; filename=\"" + filename + "\";";

                  response.setContentType("application/vnd.ms-excel");
                  response.setContentLength((int)file.length());
                  response.setHeader("Content-Disposition", lsContentDisposition);
                  
                  java.io.FileInputStream fis = new java.io.FileInputStream(file);
                  int i = 0;
                  javax.servlet.ServletOutputStream out = response.getOutputStream();
                  while((i=fis.read()) != -1)
                  {
                        out.write(i);
                  }
                  out.flush();
                  out.close();
                  fis.close();
                  response.flushBuffer();
            }
            catch(Throwable t)
            {
                  //System.out.println("---DownLoadFile--:" + e1.getMessage() );
                  System.out.println("---DownLoadFile--:" + t.getMessage() );
            }
      }
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