Java Excel报表导出Demo

    /**
     * 一级权限数据导出
     * @return
     */
    @RequestMapping(value = "/getExportData", method = RequestMethod.GET)
    @ResponseBody //@RequestParam("name") String name,
    public void getExportData(HttpServletRequest request,HttpServletResponse response){
          String filename2 = "";
          Sheet sheet = null;
        Sheet SecondSheet = null;
        String fileName = "xxxx统计报表" + new SimpleDateFormat("yyyyMMddHHmmss").format(new Date().getTime()) + ".xlsx";
        SXSSFWorkbook sxworkbook = this.createWookBook();

          /** 
           * 权限辨别：
           * 1.如果数据权限为3 仅导出中层权限报表。
           * 2.其他情况直接导出等级权限一二级报表。
           * 说明： 网点用户目前无报表导出功能。
           */
          if("3".equals(String.valueOf(ShiroUtils.getUser().getInsLev()))){

              /**
               * 中层报表。
               */
              SecondSheet = sxworkbook.createSheet("中层权限报表");

              /**
               * 表头标题行模板设定,写入数据到报表。
               */
              this.setModelA(SecondSheet.createRow(0), SecondSheet.createRow(1),SecondSheet,aaaaa(serviceName).getExportDataSecond(value), this.setExcelCellStyle(sxworkbook));

          }else if("2".equals(String.valueOf(ShiroUtils.getUser().getInsLev()))){

            /**
             * 顶层权限报表1。
             */
            sheet = sxworkbook.createSheet("顶层权限报表1");
            
              /**
               * 表头标题行模板设定,写入数据到报表。
               */
            this.setModelB(sheet.createRow((short)0), sheet.createRow((short)1), sheet, aaaaa(serviceName).getExportData(), this.setExcelCellStyle(sxworkbook));
            
              /**
               * 顶层权限报表2。
               */
              SecondSheet = sxworkbook.createSheet("顶层权限报表2");
              
              /**
               * 表头标题行模板设定,写入数据到报表。
               */
              this.setModelA(SecondSheet.createRow(0), SecondSheet.createRow(1),SecondSheet,aaaaa(serviceName).getExportDataSecond(null), this.setExcelCellStyle(sxworkbook));

          }

          // 报表单元格合并模板。
        this.setMergeCells(sheet, SecondSheet);

        // 窗格冻结设定
        this.setFreezePanes(sheet, SecondSheet);
        
        //获取User-agent 当前是哪个浏览器
        String header = request.getHeader("User-Agent");
        try {
            filename2 = this.encodeDownloadFilename(fileName,header);
              response.setHeader("content-disposition", "filename="+filename2);
              response.setContentType("application/vnd.ms-excel;charset=UTF-8");
            sxworkbook.write(response.getOutputStream());
        } catch (Exception e) {
            e.printStackTrace();
        }finally{
            try {
                response.getOutputStream().close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    
    /**
     * 下载文件时，针对不同浏览器，进行附件名的编码
     * 
     * @param filename
     *            下载文件名
     * @param agent
     *            客户端浏览器
     * @return 编码后的下载附件名
     * @throws IOException
     */
    public static String encodeDownloadFilename(String filename, String agent)
            throws IOException {
        // 如果是火狐浏览器
        if (agent.contains("Firefox")) { 
             filename = "=?UTF-8?B?"
                + Base64.getEncoder().encodeToString(filename.getBytes("utf-8"))
                + "?=";
            filename = filename.replaceAll("
", "");
        // IE及其他浏览器
        } else { 
            filename = URLEncoder.encode(filename, "utf-8");
            filename = filename.replace("+"," ");
        }
        return filename;
    }

    /**
     * 创建工作簿。
     * @return
     */
    public SXSSFWorkbook createWookBook(){
          XSSFWorkbook xworkbook = new XSSFWorkbook();
          SXSSFWorkbook sxworkbook = new SXSSFWorkbook(xworkbook,100);
          return sxworkbook;
    }
    
    /**
     * 
     * 标题行设定,报表数据写入.
     * @param rowA 标题行（第一行）。
     * @param rowB 标题行（第二行）。
     * @param sheet 报表页Sheet对象。
     * @param data 数据集。
     * @param TitleBarstyle 标题行样式对象。
     * @param dataStyle 数据行样式对象。
     */
    public void setModelA(Row rowA,Row rowB,Sheet sheet,List<ExportData> data,CellStyle style){
        
        /**
         * 创建标题行。
         */
        Cell cellA1 = rowA.createCell(0);
        Cell cellA2 = rowA.createCell(3);
        Cell cellA3 = rowA.createCell(12);
        Cell cellB0 = rowB.createCell(0);
        Cell cellB1 = rowB.createCell(1);
        Cell cellB2 = rowB.createCell(2);
        Cell cellB3 = rowB.createCell(3);
        Cell cellB4 = rowB.createCell(4);
        Cell cellB5 = rowB.createCell(5);
        Cell cellB6 = rowB.createCell(6);
        Cell cellB7 = rowB.createCell(7);
        Cell cellB8 = rowB.createCell(8);
        Cell cellB9 = rowB.createCell(9);
        Cell cellB10 = rowB.createCell(10);
        Cell cellB11 = rowB.createCell(11);
        Cell cellB12 = rowB.createCell(12);
        Cell cellB13 = rowB.createCell(13);
        Cell cellB14 = rowB.createCell(14);
        Cell cellB15 = rowB.createCell(15);
        Cell cellB16 = rowB.createCell(16);
        Cell cellB17 = rowB.createCell(17);
        Cell cellB18 = rowB.createCell(18);
        Cell cellB19 = rowB.createCell(19);
        Cell cellB20 = rowB.createCell(20);
        
        /**
         * 标题行样式设定。
         */
        cellA1.setCellStyle(style); 
        cellA2.setCellStyle(style); 
        cellA3.setCellStyle(style); 
        cellB0.setCellStyle(style); 
        cellB1.setCellStyle(style); 
        cellB2.setCellStyle(style); 
        cellB3.setCellStyle(style); 
        cellB4.setCellStyle(style); 
        cellB5.setCellStyle(style); 
        cellB6.setCellStyle(style); 
        cellB7.setCellStyle(style); 
        cellB8.setCellStyle(style); 
        cellB9.setCellStyle(style); 
        cellB10.setCellStyle(style);
        cellB11.setCellStyle(style);
        cellB12.setCellStyle(style);
        cellB13.setCellStyle(style);
        cellB14.setCellStyle(style);
        cellB15.setCellStyle(style);
        cellB16.setCellStyle(style);
        cellB17.setCellStyle(style);
        cellB18.setCellStyle(style);
        cellB19.setCellStyle(style);
        cellB20.setCellStyle(style);
        
          /**
           *  设定标题行内容。
           */
          cellA1.setCellValue("name");
          cellA2.setCellValue("name");
          cellA3.setCellValue("name");
          cellB0.setCellValue("name");          
          cellB1.setCellValue("name");          
          cellB2.setCellValue("name");         
          cellB3.setCellValue("name");        
          cellB4.setCellValue("name");     
          cellB5.setCellValue("name");     
          cellB6.setCellValue("name");     
          cellB7.setCellValue("name");     
          cellB8.setCellValue("name");    
          cellB9.setCellValue("name");    
          cellB10.setCellValue("name");    
          cellB11.setCellValue("name");    
          cellB12.setCellValue("name");          
          cellB13.setCellValue("name");          
          cellB14.setCellValue("name");          
          cellB15.setCellValue("name");          
          cellB16.setCellValue("name");          
          cellB17.setCellValue("name");        
          cellB18.setCellValue("name");        
          cellB19.setCellValue("name");        
          cellB20.setCellValue("name");        

          // 循环数据进入报表。 
          if(data != null && data.size() > 0){
              for (int h=0; h<data.size(); h++) {
                  
                  /**
                   *  创建数据行。 
                   */
                    Row row = sheet.createRow((short)h+2);
                Cell cell0 = row.createCell(0);   
                Cell cell1 = row.createCell(1);   
                Cell cell2 = row.createCell(2);   
                Cell cell3 = row.createCell(3);   
                Cell cell4 = row.createCell(4);   
                Cell cell5 = row.createCell(5);   
                Cell cell6 = row.createCell(6);   
                Cell cell7 = row.createCell(7);   
                Cell cell8 = row.createCell(8);   
                Cell cell9 = row.createCell(9);   
                Cell cell10 = row.createCell(10); 
                Cell cell11 = row.createCell(11); 
                Cell cell12 = row.createCell(12); 
                Cell cell13 = row.createCell(13); 
                Cell cell14 = row.createCell(14); 
                Cell cell15 = row.createCell(15); 
                Cell cell16 = row.createCell(16); 
                Cell cell17 = row.createCell(17); 
                Cell cell18 = row.createCell(18); 
                Cell cell19 = row.createCell(19); 
                Cell cell20 = row.createCell(20); 

                /**
                 * 数据行样式设定。
                 */
                  cell0.setCellStyle(style); 
                  cell1.setCellStyle(style); 
                  cell2.setCellStyle(style); 
                  cell3.setCellStyle(style); 
                  cell4.setCellStyle(style); 
                  cell5.setCellStyle(style); 
                  cell6.setCellStyle(style); 
                  cell7.setCellStyle(style); 
                  cell8.setCellStyle(style); 
                  cell9.setCellStyle(style); 
                  cell10.setCellStyle(style);
                  cell11.setCellStyle(style);
                  cell12.setCellStyle(style);
                  cell13.setCellStyle(style);
                  cell14.setCellStyle(style);
                  cell15.setCellStyle(style);
                  cell16.setCellStyle(style);
                  cell17.setCellStyle(style);
                  cell18.setCellStyle(style);
                  cell19.setCellStyle(style);
                  cell20.setCellStyle(style);
                
                    // 设定数据行内容。 
                    cell0.setCellValue(data.get(h).getxname());
                    cell1.setCellValue(data.get(h).getxname());
                  cell2.setCellValue(data.get(h).getxname());
                    cell3.setCellValue(data.get(h).getxname());
                    cell4.setCellValue(data.get(h).getxname());
                    cell5.setCellValue(data.get(h).getxname());
                    cell6.setCellValue(data.get(h).getxname());
                    cell7.setCellValue(data.get(h).getxname());
                    cell8.setCellValue(data.get(h).getxname()+"%");
                    cell9.setCellValue(data.get(h).getxname()+"%");
                    cell10.setCellValue(data.get(h).getxname()+"%");
                    cell11.setCellValue(data.get(h).getxname()+"%");
                    cell12.setCellValue(data.get(h).getxname());
                    cell13.setCellValue(data.get(h).getxname());
                    cell14.setCellValue(data.get(h).getxname());
                    cell15.setCellValue(data.get(h).getxname());
                    cell16.setCellValue(data.get(h).getxname());
                    cell17.setCellValue(data.get(h).getxname()+"%");
                    cell18.setCellValue(data.get(h).getxname()==null?"0%":data.get(h).getxname()+"%");
                    cell19.setCellValue(data.get(h).getxname()+"%");
                    cell20.setCellValue(data.get(h).getxname()==""?"0%":data.get(h).getxname()+"%");
              }
          }
          
    }

    /**
     * 标题行设定,报表数据写入.
     * @param rowA 标题行（第一行）。
     * @param rowB 标题行（第二行）。
     * @param sheet 报表页Sheet对象。
     * @param data 数据集。
     */
    public void setModelB(Row rowA,Row rowB,Sheet sheet,List<ExportData> data, CellStyle style) {

        /**
         * 标题行创建。
         */
        Cell cellA1 = rowA.createCell(0);
        Cell cellA2 = rowA.createCell(1);
        Cell cellA3 = rowA.createCell(10);
        Cell cellB1 = rowB.createCell(1);
        Cell cellB2 = rowB.createCell(2);
        Cell cellB3 = rowB.createCell(3);
        Cell cellB4 = rowB.createCell(4);
        Cell cellB5 = rowB.createCell(5);
        Cell cellB6 = rowB.createCell(6);
        Cell cellB7 = rowB.createCell(7);
        Cell cellB8 = rowB.createCell(8);
        Cell cellB9 = rowB.createCell(9);
        Cell cellB10 = rowB.createCell(10);
        Cell cellB11 = rowB.createCell(11);
        Cell cellB12 = rowB.createCell(12);
        Cell cellB13 = rowB.createCell(13);
        Cell cellB14 = rowB.createCell(14);
        Cell cellB15 = rowB.createCell(15);
        Cell cellB16 = rowB.createCell(16);
        Cell cellB17 = rowB.createCell(17);
        Cell cellB18 = rowB.createCell(18);

        /**
         * 标题行样式设定。
         */
        cellA1.setCellStyle(style);
        cellA2.setCellStyle(style);
        cellA3.setCellStyle(style);
        cellB1.setCellStyle(style);
        cellB2.setCellStyle(style);
        cellB3.setCellStyle(style);
        cellB4.setCellStyle(style);
        cellB5.setCellStyle(style);
        cellB6.setCellStyle(style);
        cellB7.setCellStyle(style);
        cellB8.setCellStyle(style);
        cellB9.setCellStyle(style);
        cellB10.setCellStyle(style);
        cellB11.setCellStyle(style);
        cellB12.setCellStyle(style);
        cellB13.setCellStyle(style);
        cellB14.setCellStyle(style);
        cellB15.setCellStyle(style);
        cellB16.setCellStyle(style);
        cellB17.setCellStyle(style);
        cellB18.setCellStyle(style);
        
          // 赋值第一行标题行内容。
             cellA1.setCellValue("排名");
          cellA2.setCellValue("客户情况");
          cellA3.setCellValue("收付汇情况");

          // 赋值第二行标题行内容。
          cellB1.setCellValue("客户总数");
          cellB2.setCellValue("建行收支客户数");
          cellB3.setCellValue("工行收支客户数");
          cellB4.setCellValue("农行收支客户数");
          cellB5.setCellValue("中行收支客户数");
          cellB6.setCellValue("我行收支客户占比");
          cellB7.setCellValue("工行收支客户占比");
          cellB8.setCellValue("农行收支客户占比");
          cellB9.setCellValue("中行收支客户占比");
          cellB10.setCellValue("总量");
          cellB11.setCellValue("建行");
          cellB12.setCellValue("工行");
          cellB13.setCellValue("农行");
          cellB14.setCellValue("中行");
          cellB15.setCellValue("我行占比");
          cellB16.setCellValue("工行占比");
          cellB17.setCellValue("农行占比");
          cellB18.setCellValue("中行占比");

          // 报表数据写入。
          if(data != null && data.size() > 0){
              for (int x=0; x<data.size(); x++) {

                  // 创建数据行。
                    Row row = sheet.createRow((short)x+2);
                  Cell cell0 = row.createCell(0);
                  Cell cell1 = row.createCell(1);
                  Cell cell2 = row.createCell(2);
                  Cell cell3 = row.createCell(3);
                  Cell cell4 = row.createCell(4);
                  Cell cell5 = row.createCell(5);
                  Cell cell6 = row.createCell(6);
                  Cell cell7 = row.createCell(7);
                  Cell cell8 = row.createCell(8);
                  Cell cell9 = row.createCell(9);
                  Cell cell10 = row.createCell(10);
                  Cell cell11 = row.createCell(11);
                  Cell cell12 = row.createCell(12);
                  Cell cell13 = row.createCell(13);
                  Cell cell14 = row.createCell(14);
                  Cell cell15 = row.createCell(15);
                  Cell cell16 = row.createCell(16);
                  Cell cell17 = row.createCell(17);
                  Cell cell18 = row.createCell(18);
                  
                  cell0.setCellStyle(style); 
                  cell1.setCellStyle(style); 
                  cell2.setCellStyle(style); 
                  cell3.setCellStyle(style); 
                  cell4.setCellStyle(style); 
                  cell5.setCellStyle(style); 
                  cell6.setCellStyle(style); 
                  cell7.setCellStyle(style); 
                  cell8.setCellStyle(style); 
                  cell9.setCellStyle(style); 
                  cell10.setCellStyle(style);
                  cell11.setCellStyle(style);
                  cell12.setCellStyle(style);
                  cell13.setCellStyle(style);
                  cell14.setCellStyle(style);
                  cell15.setCellStyle(style);
                  cell16.setCellStyle(style);
                  cell17.setCellStyle(style);
                  cell18.setCellStyle(style);
                  
                  /**
                   * 数据行样式设定。
                   */
                  cell0.setCellValue(data.get(x).getxname());
                    cell1.setCellValue(data.get(x).getxname());
                    cell2.setCellValue(data.get(x).getxname());
                    cell3.setCellValue(data.get(x).getxname());
                    cell4.setCellValue(data.get(x).getxname());
                    cell5.setCellValue(data.get(x).getxname());
                    cell6.setCellValue(data.get(x).getxname()+"%");
                    cell7.setCellValue(data.get(x).getxname()+"%");
                    cell8.setCellValue(data.get(x).getxname()+"%");
                    cell9.setCellValue(data.get(x).getxname()+"%");
                    cell10.setCellValue(data.get(x).getxname());
                    cell11.setCellValue(data.get(x).getxname());
                    cell12.setCellValue(data.get(x).getxname());
                    cell13.setCellValue(data.get(x).getxname());
                    cell14.setCellValue(data.get(x).getxname());
                    cell15.setCellValue(data.get(x).getxname()+"%");
                    cell16.setCellValue(data.get(x).getxname()==null?"0%":data.get(x).getxname()+"%");
                    cell17.setCellValue(data.get(x).getxname()+"%");
                    cell18.setCellValue(data.get(x).getxname()==""?"0%":data.get(x).getxname()+"%");
            }
          }

    }

    /**
     * 窗格冻结模板设定
     * @param sheet1 报表模板A.
     * @param sheet2 报表模板B.
     */
    public void setFreezePanes(Sheet sheet1 , Sheet sheet2){

        // 冻结最左边两列和最上面一行。
        if(sheet1 != null){
            sheet1.createFreezePane(0,2);
        }

        if(sheet2 != null){
            sheet2.createFreezePane(0,2);
        }
    }

    /**
     * 报表单元格合并模板。
     * @param sheet1 报表模板A.
     * @param sheet2 报表模板B.
     * CellRangeAddress构造参数依次表示起始行，截至行，起始列， 截至列
     */
    public void setMergeCells(Sheet sheet1 , Sheet sheet2){

        if(sheet1 != null){
            sheet1.addMergedRegion(new CellRangeAddress(0,1,0,0));
            sheet1.addMergedRegion(new CellRangeAddress(0,0,1,9));
            sheet1.addMergedRegion(new CellRangeAddress(0,0,10,18));
        }

        if(sheet2 != null){
            sheet2.addMergedRegion(new CellRangeAddress(0,0,0,2));
            sheet2.addMergedRegion(new CellRangeAddress(0,0,3,11));
            sheet2.addMergedRegion(new CellRangeAddress(0,0,12,20));
        }
          
    }
    
    /**
     * 样式设定.
     * @param sxworkbook workbook工作簿对象。
     * @return
     */
    public CellStyle setExcelCellStyle(SXSSFWorkbook sxworkbook){
        
        // workbook工作簿样式操作对象。
        CellStyle style = sxworkbook.createCellStyle();
        
        // 文本样式设定对象。
        Font font = sxworkbook.createFont();
        
        // 设定字体样式进入行级。
        style.setFont(font);
        
        // 字体样式设定：粗体显示。
//        font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
        
        // 设置背景色。
        style.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);
        style.setFillForegroundColor(HSSFColor.CORNFLOWER_BLUE.index);
        
        // 设置外边框
        style.setBorderBottom(HSSFCellStyle.BORDER_THIN); //下边框
        style.setBorderLeft(HSSFCellStyle.BORDER_THIN);//左边框
        style.setBorderTop(HSSFCellStyle.BORDER_THIN);//上边框
        style.setBorderRight(HSSFCellStyle.BORDER_THIN);//右边框

        style.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 字体左右居中
        style.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER); // 字体垂直居中设定。
        
        return style;
    }

-- SQL
    SELECT COUNT(*)AS TOTALCOUNT ,
           COUNT(CASE WHEN F.XXX>0 THEN F.XXX ELSE NULL END)AS XXXCOUNT,
           COUNT(CASE WHEN F.XXX>0 THEN F.XXX ELSE NULL END)AS XXXCOUNT,
           COUNT(CASE WHEN F.XXX>0 THEN F.XXX ELSE NULL END)AS XXXCOUNT, 
           COUNT(CASE WHEN F.XXX>0 THEN F.XXX ELSE NULL END)AS XXXCOUNT, 
           CAST(COUNT(CASE WHEN F.XXX>0 THEN F.XXX ELSE NULL END)/ COUNT(*) AS DECIMAL(38,4))*100 AS XXXZB,
           CAST(COUNT(CASE WHEN F.XXX>0 THEN F.XXX ELSE NULL END)/ COUNT(*) AS DECIMAL(38,4))*100 AS XXXZB,
           CAST(COUNT(CASE WHEN F.XXX>0 THEN F.XXX ELSE NULL END)/ COUNT(*) AS DECIMAL(38,4))*100 AS XXXZB,
           CAST(COUNT(CASE WHEN F.XXX>0 THEN F.XXX ELSE NULL END)/ COUNT(*) AS DECIMAL(38,4))*100 AS XXXZB,
           SUM(F.TOTAL) AS TOTAL, 
           SUM(F.XXX) AS XXX,  
           SUM(F.XXX) AS XXX,  
           SUM(F.XXX) AS XXX,  
           SUM(F.XXX) AS XXX,  
           CASE WHEN SUM(F.TOTAL)>0 THEN CAST((SUM(F.XXX)/SUM(F.TOTAL))*100 AS DECIMAL(38,4)) END AS XXXHLZB, 
           CASE WHEN SUM(F.TOTAL)>0 THEN CAST((SUM(F.XXX)/SUM(F.TOTAL))*100 AS DECIMAL(38,4)) END AS XXXHLZB, 
           CASE WHEN SUM(F.TOTAL)>0 THEN CAST((SUM(F.XXX)/SUM(F.TOTAL))*100 AS DECIMAL(38,4)) END AS XXXHLZB, 
           CASE WHEN SUM(F.TOTAL)>0 THEN CAST((SUM(F.XXX)/SUM(F.TOTAL))*100 AS DECIMAL(38,4)) END AS XXXHLZB 
           FROM XXX F 
           GROUP BY F.XXX