POI導出Excel

private void downLoadFile(@RequestParam String jsonStr, HttpServletResponse response) {
    //轉碼
    jsonStr = Utils.decodeURL(jsonStr);
    //將json字符傳轉換爲json對象
    JSONObject jsonObj = JSONObject.parseObject(jsonStr);
    //拼出文件名
    String name="雲端對賬賬單"+".xlsx";
    //通過查詢條件
    List<CrdStaInterfacePrices> Billlist = crdStaInterfacePricesService.findBill(jsonObj.getString("startTime"), jsonObj.getString("endTime"));
    //創建一個xlxs文件
    SXSSFWorkbook wb = new SXSSFWorkbook();
    XSSFCellStyle style = (XSSFCellStyle) wb.createCellStyle();
    Color c = new Color(147, 208, 15);
    XSSFColor xssfColor = new XSSFColor(c);
    style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
    style.setFillForegroundColor(xssfColor);
    //往excel裏面寫數據
    buildSheet(wb, Billlist, style);
    response.setContentType("application/x-xls");
    response.setHeader("Content-Disposition", "attachment; filename=" + fileName);
    OutputStream outputStream = null;
    try {
        outputStream = response.getOutputStream();
        wb.write(outputStream);
        outputStream.flush();
        outputStream.close();
    } catch (IOException e) {
        log.error("文件導出失敗" + e);
    }
}

/**
 * @return
 * @throws
 * @description 根據數據生成excel
 */
private void buildSheet(SXSSFWorkbook wb, List<CrdStaInterfacePrices> BillList, XSSFCellStyle style) {

    Sheet sheet = wb.createSheet("sheet1");
    Row row = sheet.createRow(0);
    //寫表頭
    setTitle(row, style);
    //寫數據
    setData(sheet, style, BillList);
}

private void setData(Sheet sheet, XSSFCellStyle style, List<CrdStaInterfacePrices> BillList) {
    //循環將查詢數據庫獲取到的數據寫入excel文件
    for (int i = 0; i < BillList.size(); i++) {
        Row row = sheet.createRow(i + 1);
        CrdStaInterfacePrices crdStaInterfacePrices = BillList.get(i);
        Cell cel0 = row.createCell(0);
        cel0.setCellValue("子產品");
        Cell cel1 = row.createCell(1);
        cel1.setCellValue("用戶評估報告");
        Cell cel2 = row.createCell(2);
        cel2.setCellValue("");
        Cell cel3 = row.createCell(3);
        cel3.setCellValue("");
        Cell cel4 = row.createCell(4);
        cel4.setCellValue(crdStaInterfacePrices.getProdName());
        Cell cel5 = row.createCell(5);
        cel5.setCellValue(crdStaInterfacePrices.getProdCode());
        Cell cel6 = row.createCell(6);
        cel6.setCellValue("是");
        Cell cel7 = row.createCell(7);
        cel7.setCellValue(crdStaInterfacePrices.getProTypename().substring(0,2));
        Cell cel8 = row.createCell(8);
        cel8.setCellValue(crdStaInterfacePrices.getProTypename().substring(crdStaInterfacePrices.getProTypename().length()-2,crdStaInterfacePrices.getProTypename().length()));
        Cell cel9 = row.createCell(9);
        cel9.setCellValue(crdStaInterfacePrices.getNum());
        Cell cel10 = row.createCell(10);
        cel10.setCellValue("0");
        Cell cel11 = row.createCell(11);
        cel11.setCellValue(crdStaInterfacePrices.getNum());
        Cell cel12 = row.createCell(12);
        cel12.setCellValue(crdStaInterfacePrices.getPrice());
        Cell cel13 = row.createCell(13);
        cel13.setCellValue("0");
        Cell cel14 = row.createCell(14);
        cel14.setCellValue("0");
        Cell cel15 = row.createCell(15);
        Double price=crdStaInterfacePrices.getPrice();
        if(price.compareTo(0.0)==0){
            cel15.setCellValue("0.0");
        }else {
            cel15.setCellValue(crdStaInterfacePrices.getSumPrices());
        }

    }
}

 

 

/**
 * @param style
 * @return
 * @throws
 * @description 第一行填寫表頭
 */
public void setTitle(Row row, XSSFCellStyle style) {
    Cell cell = row.createCell(0);
    cell.setCellValue("子產品/打包N");
    cell.setCellStyle(style);
    Cell cell1 = row.createCell(1);
    cell1.setCellValue("產品類型");
    cell1.setCellStyle(style);
    Cell cell2 = row.createCell(2);
    cell2.setCellValue("數據來源");
    cell2.setCellStyle(style);
    Cell cell3 = row.createCell(3);
    cell3.setCellValue("運營商");
    cell3.setCellStyle(style);
    Cell cell4 = row.createCell(4);
    cell4.setCellValue("產品名稱（中文）");
    cell4.setCellStyle(style);
    Cell cell5 = row.createCell(5);
    cell5.setCellValue("產品名稱（英文）");
    cell5.setCellStyle(style);
    Cell cell6 = row.createCell(6);
    cell6.setCellValue("是否計費");
    cell6.setCellStyle(style);
    Cell cell7 = row.createCell(7);
    cell7.setCellValue("計費邏輯1");
    cell7.setCellStyle(style);
    Cell cell8 = row.createCell(8);
    cell8.setCellValue("計費邏輯2");
    cell8.setCellStyle(style);
    Cell cell9 = row.createCell(9);
    cell9.setCellValue("計費量");
    cell9.setCellStyle(style);
    Cell cell10 = row.createCell(10);
    cell10.setCellValue("衝減量");
    cell10.setCellStyle(style);
    Cell cell11 = row.createCell(11);
    cell11.setCellValue("實際計費量");
    cell11.setCellStyle(style);
    Cell cell12 = row.createCell(12);
    cell12.setCellValue("單價");
    cell12.setCellStyle(style);
    Cell cell13 = row.createCell(13);
    cell13.setCellValue("免費期");
    cell13.setCellStyle(style);
    Cell cell14 = row.createCell(14);
    cell14.setCellValue("免費條數");
    cell14.setCellStyle(style);
    Cell cell15 = row.createCell(15);
    cell15.setCellValue("本期小計");
    cell15.setCellStyle(style);

}