Merging two cells
In this program we are going to merge two cells of an
excel sheet through java program .You can merge any number of cells.
The package we need to import is
java.io.*,java.util.* ,
org.apache.poi.hssf.usermodel.HSSFSheet,
org.apache.poi.
hssf. usermodel. HSSFCellStyle,
org.apache.poi.usermodel.HSSFRow,
org.apache.poi.usermodel.HSSFCell
,
org.apache.poi.hssf.usermodel. HSSFWorkbook and
org.apache.poi.hssf.util.Region.
org.apache.poi.hssf.util.Region class is
used to create an object of region. This class provides a method for adding the
region. Region class is defined public and it extends the java.lang.Object
.The Region class implements java.lang.Compareble and represents a form/to row/column
square.
In this example, we are using following key points:
addMergedRegion(Region r):
This method is used to merge the region which is passed as argument into
this method.
In this example, we are merging the two cells into a single cell. In this
example, Region(1,(short)1,1,(short)2) represents as Region(int rowFrom, short colFrom, int rowTo, short
colTo). Here the rowFrom, colFrom, rowTo and colTo is used to define the
region to merge.
The code of the program is given below :
<%@ page import="org.apache.poi.hssf.usermodel.HSSFSheet"%>
<%@ page import="org.apache.poi.hssf.usermodel.HSSFWorkbook"%>
<%@ page import="org.apache.poi.hssf.usermodel.HSSFRow"%>
<%@ page import="org.apache.poi.hssf.usermodel.HSSFCell"%>
<%@ page import="org.apache.poi.hssf.usermodel.HSSFCellStyle"%>
<%@ page import="org.apache.poi.hssf.util.Region"%>
<%@ page contentType="application/vnd.ms-excel" %>
<%@ page import="java.io.*" %>
<%@ page import="java.util.*" %>
<% try{
HSSFWorkbook hwb = new HSSFWorkbook();
HSSFSheet sheet = hwb.createSheet("new sheet");
HSSFRow row = sheet.createRow((short) 1);
HSSFCell cell = row.createCell((short) 1);
cell.setCellValue("rajesh");
sheet.addMergedRegion(new Region(1,(short)1,1,(short)2));
FileOutputStream fileOut = new FileOutputStream
("c:\\excel\\mergingExcel.xls");
hwb.write(fileOut);
fileOut.close();
out.println("Your excel file has been generated");
} catch ( Exception ex ) {
}
%>
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The output of the program is given below:
Download this example.
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