poi :合龙excel的单元格

poi :合并excel的单元格

// 合并单元格 从左上角合并到右下角                HSSFWorkbook wb = new HSSFWorkbook();                HSSFSheet sheet = wb.createSheet();Region region = new Region(6, (short) 2, 7, (short) 3);sheet.addMergedRegion(region);