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Populate Excel Spreadsheet

Sam Gehouse
Ranch Hand

Joined: Jul 21, 2003
Posts: 281
I create a report using JSP. The report gets displayed in a table in the browser. The number of columns of the table (report) is fixed. As such, the table (report) has a fixed number of columns but the number of records could vary. It is a read-only table (report) that gets displayed in the browser in only one table with no requirements for drill-down options.

I want to display the data from the above table (report) in an Excel spreadsheet.

Is POI the only choice? Which jars do I need?

Any help with the sample code would be beneficial.
Joe Ess
Bartender

Joined: Oct 29, 2001
Posts: 8968
    
    9

What I've done in the past is returned a CSV file from a servlet. Excel is usually set up to open CSV's automatically. If you don't have any fancy formatting that may be an option. Check out this library for easy CVS creation.


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Ulf Dittmer
Marshal

Joined: Mar 22, 2005
Posts: 42608
    
  65
If CSV is not an option (e.g., if you need formatting or formulas), then there are a few other libraries besides POI. This page lists a few. POI works well and is easy to use, though.


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Dhanya Palanisamy
Ranch Hand

Joined: Oct 20, 2006
Posts: 61
Hi Sam,

For some previous post i have mentioned what i have done in a similar situation. First enclose your displayed table inside a DIV id. On click of some button(save/open Excel) call a javascript function where you can assign the innerHTML from the DIV id to a hidden variable and post. After that in your servlet action just return success. Your deployment descriptor can forward this to another JSP where you can use this code,

<%@ page language="java" contentType="application/vnd.ms-excel"%>
<%response.setHeader("Content-disposition","attachment;filename=Report.xls");%>


Sorry, if you didn't understand, i am bad at expalining. If you are following my steps please feel free to post your questions.
 
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subject: Populate Excel Spreadsheet