java 操作excel,该怎么解决(5)

合并方法
            sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, 1));
            sheet.addMergedRegion(new CellRangeAddress(0, 0, 2, 4));
            sheet.addMergedRegion(new CellRangeAddress(0, 0, 5, 18));
            sheet.addMergedRegion(new CellRangeAddress(0, 0, 19, 34));