使用Apache POI生成Excel文档时,当进行单元格合并操作后,被合并的单元格边框会消失,使用如下方式可以解决。
创建方法:
public void setBorderStyle(int border, CellRangeAddress region, HSSFSheet sheet, HSSFWorkbook wb){RegionUtil.setBorderBottom(border, region, sheet, wb);//下边框RegionUtil.setBorderLeft(border, region, sheet, wb);//左边框RegionUtil.setBorderRight(border, region, sheet, wb); //右边框RegionUtil.setBorderTop(border, region, sheet, wb);//上边框}
调用方式:
//创建wb,sheet的过程略过CellRangeAddress region = new CellRangeAddress(0, 0, i, i+1); //给定要合并的单元格范围sheet.addMergedRegion(region);//这是合并单元格过程setBorderStyle(HSSFCellStyle.BORDER_THIN, region, sheet, wb); //给合并过的单元格加边框