两个点起始行-结束行，起始列-结束列，确定合并范围 ~~~ private void mergeCell(SXSSFSheet sheet, int startRowIndex,int endRowIndex,int startColIndex,int endColIndex) { //合并单元格 CellRangeAddress cellRangeAddress = new CellRangeAddress( startRowIndex, endRowIndex, startColIndex, endColIndex ); sheet.addMergedRegionUnsafe(cellRangeAddress); } ~~~