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Below are a few Poi examples. These examples requires Apache Poi installed and on the classpath.
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=== Create Spreadsheet ===
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This example requires Apache Poi installed and on the classpath.
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=== Read an Excel file ===

Posted to the Jython-users mailing list by Alfonso Reyes on October 14, 2007
This Jython code will open and read an existant Excel file you can download the file at http://www.nabble.com/file/p13199712/Book1.xls

To do:
- create the excel file if it doesn't exist
- a nicer printing method
- a method to print values or formulas in the cells

{{{
""" read.py
Read an existant Excel file (Book1.xls) and show it on the screen

"""
from org.apache.poi.hssf.usermodel import *
from java.io import FileInputStream;

file = "H:Book1.xls"
print file
fis = FileInputStream(file)
wb = HSSFWorkbook(fis);
sheet = wb.getSheetAt(0);

# get No. of rows
rows = sheet.getPhysicalNumberOfRows();
print wb, sheet, rows

cols = 0; # No. of columns
tmp = 0;

# This trick ensures that we get the data properly even if it
# doesn’t start from first few rows
for i in range(0, 10,1):
    row = sheet.getRow(i);
    if(row != None):
        tmp = sheet.getRow(i).getPhysicalNumberOfCells();
        if(tmp > cols): cols = tmp;
print cols

for r in range(0, rows, 1):
    row = sheet.getRow(r);
    print r
    if(row != None):
        for c in range(0, cols, 1):
            cell = row.getCell(c);
            if(cell != None):
                print cell

#wb.close()
fis.close();
}}}

Apache Poi Example

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Below are a few Poi examples. These examples requires Apache Poi installed and on the classpath.

Create Spreadsheet

This is from the Jython mailing list and was posted September 2007

This is based on Java code at http://officewriter.softartisans.com/OfficeWriter-306.aspx and converted to Jython by Alfonso Reyes

   1 #jython poi example. from Jython mailing list
   2 
   3 from java.io import FileOutputStream;
   4 from java.util import Date;
   5 from java.lang import System
   6 from java.lang import Math
   7 
   8 from org.apache.poi.hssf.usermodel import *
   9 from org.apache.poi.hssf.util import HSSFColor;
  10 
  11 startTime = System.currentTimeMillis();
  12 
  13 
  14 wb = HSSFWorkbook();
  15 fileOut = FileOutputStream("POIOut2.xls");
  16 
  17 
  18 # Create 3 sheets
  19 sheet1 = wb.createSheet("Sheet1");
  20 sheet2 = wb.createSheet("Sheet2");
  21 sheet3 = wb.createSheet("Sheet3");
  22 sheet3 = wb.createSheet("Sheet4");
  23 
  24 # Create a header style
  25 styleHeader = wb.createCellStyle();
  26 fontHeader = wb.createFont();
  27 fontHeader.setBoldweight(2);
  28 fontHeader.setFontHeightInPoints(14);
  29 fontHeader.setFontName("Arial");
  30 styleHeader.setFont(fontHeader);
  31 
  32 # Create a style used for the first column
  33 style0 = wb.createCellStyle();
  34 font0 = wb.createFont();
  35 font0.setColor(HSSFColor.RED.index);
  36 style0.setFont(font0);
  37 
  38 
  39 # Create the style used for dates.
  40 styleDates = wb.createCellStyle();
  41 styleDates.setDataFormat(HSSFDataFormat.getBuiltinFormat("m/d/yy h:mm"));
  42 
  43 
  44 # create the headers
  45 rowHeader = sheet1.createRow(1);
  46 # String value
  47 cell0 = rowHeader.createCell(0);
  48 cell0.setCellStyle(styleHeader);
  49 cell0.setCellValue("Name");
  50 
  51 
  52 # numbers
  53 for i in range(0, 8, 1):
  54     cell = rowHeader.createCell((i + 1));
  55     cell.setCellStyle(styleHeader);
  56     cell.setCellValue("Data " + str( (i + 1)) );
  57 
  58 
  59 # Date
  60 cell10 = rowHeader.createCell(9);
  61 cell10.setCellValue("Date");
  62 cell10.setCellStyle(styleHeader);
  63 
  64 for i in range(0, 100, 1):
  65     # create a new row
  66     row = sheet1.createRow(i + 2);
  67     for j in range(0, 10, 1):
  68         # create each cell
  69         cell = row.createCell(j);
  70         # Fill the first column with strings
  71         if (j == 0):
  72             cell.setCellValue("Product " + str(i));
  73             cell.setCellStyle(style0);
  74 
  75         # Fill the next 8 columns with numbers.
  76         elif (j < 9):
  77             cell.setCellValue( (Math.random() * 100));
  78 
  79             # Fill the last column with dates.
  80         else:
  81             cell.setCellValue(Date());
  82             cell.setCellStyle(styleDates);
  83 
  84 # Summary row
  85 rowSummary = sheet1.createRow(102);
  86 sumStyle = wb.createCellStyle();
  87 sumFont = wb.createFont();
  88 sumFont.setBoldweight( 5);
  89 sumFont.setFontHeightInPoints(12);
  90 sumStyle.setFont(sumFont);
  91 sumStyle.setFillPattern(HSSFCellStyle.FINE_DOTS);
  92 sumStyle.setFillForegroundColor(HSSFColor.GREEN.index);
  93 
  94 
  95 cellSum0 = rowSummary.createCell( 0);
  96 cellSum0.setCellValue("TOTALS:");
  97 cellSum0.setCellStyle(sumStyle);
  98 
  99 
 100 # numbers
 101 # B
 102 cellB = rowSummary.createCell( 1);
 103 cellB.setCellStyle(sumStyle);
 104 cellB.setCellFormula("SUM(B3:B102)");

Read an Excel file

Posted to the Jython-users mailing list by Alfonso Reyes on October 14, 2007 This Jython code will open and read an existant Excel file you can download the file at http://www.nabble.com/file/p13199712/Book1.xls

To do: - create the excel file if it doesn't exist - a nicer printing method - a method to print values or formulas in the cells

"""    read.py
Read an existant Excel file (Book1.xls) and show it on the screen

"""   
from org.apache.poi.hssf.usermodel import *
from java.io import FileInputStream;

file = "H:Book1.xls"
print file
fis = FileInputStream(file)
wb = HSSFWorkbook(fis);
sheet = wb.getSheetAt(0);

# get No. of rows
rows = sheet.getPhysicalNumberOfRows();
print wb, sheet, rows

cols = 0; # No. of columns
tmp = 0;

# This trick ensures that we get the data properly even if it
# doesn’t start from first few rows
for i in range(0, 10,1):
    row = sheet.getRow(i);
    if(row != None):
        tmp = sheet.getRow(i).getPhysicalNumberOfCells();
        if(tmp > cols): cols = tmp;
print cols

for r in range(0, rows, 1):
    row = sheet.getRow(r);
    print r
    if(row != None):
        for c in range(0, cols, 1):
            cell = row.getCell(c);
            if(cell != None):
                print cell

#wb.close()
fis.close();

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PoiExample (last edited 2011-04-08 13:22:04 by c-76-24-221-65)