poi 根据模板导出excel

╰半夏微凉° 2022-10-04 13:57 226阅读 0赞

public static void main(String[] args) throws Exception{
            //获取系统文档
            InputStream inp=new FileInputStream(new File("D:\\workspace\\idea\\company\\new_gljy\\ssh_gljy\\201910rjkf0241\\SharkSucker\\pm\\src\\main\\resources\\static\\file\\进度汇总对比表.xlsx"));
            //创建工作薄对象
            XSSFWorkbook workbook=new XSSFWorkbook(inp);
            //创建工作表对象
           // XSSFSheet sheet = workbook.getSheet("Sheet1");
            XSSFSheet sheet = workbook.getSheetAt(0);
            //得到Excel表格  第6行
            XSSFRow row = sheet.getRow(5);
            if(null==row){
                row=sheet.createRow(5);
            }
            //得到Excel工作表指定行的单元格 第五列
            XSSFCell cell = row.getCell(0);
            if(null==cell){
                cell=row.createCell(0);
            }
            //单元格加背景色
            cell.setCellValue("4554");
            XSSFCellStyle cellStyle = workbook.createCellStyle();
            cellStyle.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());
            cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);//填充
            cellStyle.setFillForegroundColor(new XSSFColor(new java.awt.Color(169, 169, 169)));
            cell.setCellStyle(cellStyle);
            XSSFCell cell1=null;
            for (int i = 0; i < 10; i++) {
                cell1 = row.getCell(i);
                if(null==cell1){
                    cell1=row.createCell(i);
                }
                if(i==9){
                    //单元格加边框    
                    XSSFCellStyle cellStyleBord = workbook.createCellStyle();
                    cellStyleBord.setBorderLeft(BorderStyle.THIN);
                    cell1.setCellStyle(cellStyleBord);
                }
            }
            //合并单元格
            CellRangeAddress cellRangeAddress=new CellRangeAddress(rowIndex,rowIndex,0,9);
            sheet.addMergedRegion(cellRangeAddress);
            FileOutputStream out = new FileOutputStream("D:\\workspace\\idea\\company\\new_gljy\\" + new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()).toString() +".xls");
            workbook.write(out);
            out.close();
        }