一段利用Apache的Poi合并Excel单元格的代码

/* ====================================================================
Copyright 2002-2004 Apache Software Foundation

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */

package org.apache.poi.hssf.usermodel.examples;

import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.hssf.util.Region;

import java.io.IOException;
import java.io.FileOutputStream;

/**
* An example of how to merge regions of cells.
*
* @author Glen Stampoultzis (glens at apache.org)
*/
public class MergedCells
{
public static void main(String[] args)
throws IOException
{
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet("new sheet");

HSSFRow row = sheet.createRow((short) 1);
HSSFCell cell = row.createCell((short) 1);
cell.setCellValue("This is a test of merging");

sheet.addMergedRegion(new Region(1,(short)1,1,(short)2));

// Write the output to a file
FileOutputStream fileOut = new FileOutputStream("workbook.xls");
wb.write(fileOut);
fileOut.close();

}
}