JAVA POI 操作EXCEL 合并单元格

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));//指定合并区域

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