POI導出復雜Excel，合並單元格（1）

/**
     *  導出復雜excel 合並單元格 （HSSFWorkbook）
     */
    @GetMapping("/testHSSFWorkbook.do")
    public void testExport1(HttpServletResponse response)
        throws Exception
    {
        /** 第一步，創建一個Workbook，對應一個Excel文件  */
        HSSFWorkbook wb = new HSSFWorkbook();

        /** 第二步，在Workbook中添加一個sheet,對應Excel文件中的sheet  */
        HSSFSheet sheet = wb.createSheet("南京市城鎮社會保險參保人員花名冊");

        /** 第三步，設置樣式以及字體樣式*/
        HSSFCellStyle titleStyle = createTitleCellStyle(wb);
        HSSFCellStyle headerStyle = createHeadCellStyle(wb);
        HSSFCellStyle contentStyle = createContentCellStyle(wb);

        /** 第四步，創建標題 ,合並標題單元格 */
        // 行號
        int rowNum = 0;
        // 總列數
        int totalColumn = 10;
        // 創建第一頁的第一行，索引從0開始
        HSSFRow row0 = sheet.createRow(rowNum++);
        row0.setHeight((short) 800);// 設置行高

        String title = "南京市城鎮社會保險參保人員花名冊";
        HSSFCell c00 = row0.createCell(0);
        c00.setCellValue(title);
        c00.setCellStyle(titleStyle);
        // 合並單元格，參數依次為起始行，結束行，起始列，結束列 （索引0開始）
        sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, totalColumn));//標題合並單元格操作，11+1為總列數

        // 第二行
        HSSFRow row1 = sheet.createRow(rowNum++);
        row1.setHeight((short) 500);
        String[] row_first = {"單位名稱(公章)：", "", "", "", "", "", "", "", "勞動和社保保障證號（單位代碼）：", "", ""};
        for (int i = 0; i < row_first.length; i++)
        {
            HSSFCell tempCell = row1.createCell(i);
            tempCell.setCellStyle(headerStyle);
            tempCell.setCellValue(row_first[i]);
        }

        //第三行
        HSSFRow row2 = sheet.createRow(rowNum++);
        row2.setHeight((short) 700);
        String[] row_second = {"序號", "社會保障卡號（個人代碼）", "姓名", "性別", "身份證號碼", "民族", "戶口性質", "參加工作時間",
            "進本單位參保時間", "月繳費基數（元）", "備注"};
        for (int i = 0; i < row_second.length; i++)
        {
            HSSFCell tempCell = row2.createCell(i);
            tempCell.setCellValue(row_second[i]);
            tempCell.setCellStyle(headerStyle);
        }

        //循環每一行數據
        List<Map<String, Object>> dataList = new ArrayList<Map<String, Object>>(); //查詢出來的數據
        Map<String,Object> map = new HashMap<String,Object>();
        map.put("name", "1");
        map.put("r1", "111");
        map.put("r2", "222");
        map.put("r3", "333");
        map.put("r4", "444");
        map.put("r5", "555");
        map.put("r6", "666");
        dataList.add(map);
        dataList.add(map);//加多一條list

        for (Map<String, Object> excelData : dataList)
        {
            HSSFRow tempRow = sheet.createRow(rowNum++);
            tempRow.setHeight((short) 500);
            // 循環單元格填入數據
            for (int j = 0; j < 7; j++)
            {
                HSSFCell tempCell = tempRow.createCell(j);
                tempCell.setCellStyle(contentStyle);
                String tempValue;
                if (j == 0)
                {
                    // 鄉鎮、街道名稱
                    tempValue = excelData.get("name").toString();
                }
                else if (j == 1)
                {
                    // 登記數（人）
                    tempValue = excelData.get("r1").toString();
                }
                else if (j == 2)
                {
                    // 辦證總數（人）
                    tempValue = excelData.get("r2").toString();
                }
                else if (j == 3)
                {
                    // 辦證率（%）
                    tempValue = excelData.get("r3").toString();
                }
                else if (j == 4)
                {
                    // 登記戶數（戶）
                    tempValue = excelData.get("r4").toString();
                }
                else if (j == 5)
                {
                    // 簽訂數（份）
                    tempValue = excelData.get("r5").toString();
                }
                else
                {
                    // 備注
                    tempValue = excelData.get("r6").toString();
                }
                tempCell.setCellValue(tempValue);
            }
        }

        // 尾行備注1
        HSSFRow foot1 = sheet.createRow(rowNum++);
        foot1.setHeight((short) 300);
        String[] row_foot1 = {"備注:  1、“參加工作時間”：指首次參加工作時間。", "", "", "", "", "", "",
            "", "5、機關事業單位人員應注明是否參加養老保險。", "", ""};
        for (int i = 0; i < row_foot1.length; i++)
        {
            HSSFCell tempCell = foot1.createCell(i);
            tempCell.setCellValue(row_foot1[i]);
        }
        int remarkRowNum1 = dataList.size() + 3;
        // 合並
        sheet.addMergedRegion(new CellRangeAddress(remarkRowNum1, remarkRowNum1, 0, 2));//備注1
        sheet.addMergedRegion(new CellRangeAddress(remarkRowNum1, remarkRowNum1, 8, 10));//備注5

        // 尾行備注2
        HSSFRow foot2 = sheet.createRow(rowNum++);
        foot2.setHeight((short) 300);
        String[] row_foot2 = {"           2、“進本單位參保時間”：指在本單位繳費起始時間。", "", "", "", "", "", "",
            "", "6、本表一式兩份，社會保險經辦機構、繳費單位各留一份", "", ""};
        for (int i = 0; i < row_foot2.length; i++)
        {
            HSSFCell tempCell = foot2.createCell(i);
            tempCell.setCellValue(row_foot2[i]);
        }
        int remarkRowNum2 = dataList.size() + 4;
        // 合並
        sheet.addMergedRegion(new CellRangeAddress(remarkRowNum2, remarkRowNum2, 0, 2));//備注1
        sheet.addMergedRegion(new CellRangeAddress(remarkRowNum2, remarkRowNum2, 8, 10));//備注5

        // 尾行備注3
        HSSFRow foot3 = sheet.createRow(rowNum++);
        foot3.setHeight((short) 300);
        String[] row_foot3 = {"           3、“月繳費基數”：指月平均收入總和。", "", "", "", "", "", "",
            "", "7、社會保險政策咨詢電話：12333", "", ""};
        for (int i = 0; i < row_foot3.length; i++)
        {
            HSSFCell tempCell = foot3.createCell(i);
            tempCell.setCellValue(row_foot3[i]);
        }
        int remarkRowNum3 = dataList.size() + 5;
        // 合並
        sheet.addMergedRegion(new CellRangeAddress(remarkRowNum3, remarkRowNum3, 0, 2));//備注1
        sheet.addMergedRegion(new CellRangeAddress(remarkRowNum3, remarkRowNum3, 8, 10));//備注5

        // 尾行備注4
        HSSFRow foot4 = sheet.createRow(rowNum++);
        foot4.setHeight((short) 300);
        String[] row_foot4 = {"           4、跨社會保險結算年度辦理補繳時須出具勞動合同原件、工資報表原件等相關資料。",
            "", "", "", "", "", "", "", "8、南京人力資源和社會保障網址：www.njhrss.gov.cn", "", ""};
        for (int i = 0; i < row_foot4.length; i++)
        {
            HSSFCell tempCell = foot4.createCell(i);
            tempCell.setCellValue(row_foot4[i]);
        }
        int remarkRowNum4 = dataList.size() + 6;
        // 合並
        sheet.addMergedRegion(new CellRangeAddress(remarkRowNum4, remarkRowNum4, 0, 2));//備注1
        sheet.addMergedRegion(new CellRangeAddress(remarkRowNum4, remarkRowNum4, 8, 10));//備注5

        // 最后一行
        HSSFRow foot = sheet.createRow(rowNum++);
        foot.setHeight((short) 300);
        String[] row_foot = {"單位負責人：", "", "填報人：", "", "聯系電話：", "", "", "", "", "填報日期：  年  月  日", ""};
        for (int i = 0; i < row_foot.length; i++)
        {
            HSSFCell tempCell = foot.createCell(i);
            tempCell.setCellValue(row_foot[i]);
        }

        for (int i = 0; i <= totalColumn; i++)
        {
            sheet.autoSizeColumn((short)i,true); //調整列寬
        }

        //導出
        String fileName = "南京市城鎮社會保險參保人員花名冊.xls";
        try
        {
            response.setCharacterEncoding("UTF-8");
            response.setHeader("content-Type", "application/vnd.ms-excel");
            response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8"));

            OutputStream stream = response.getOutputStream();
            if (null != wb && null != stream)
            {
                wb.write(stream);// 將數據寫出去
                wb.close();
                stream.close();
            }
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
    }

 導出結果如圖