包含复杂函数的excel 并下载

POI 版本：

<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.10-FINAL</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.10-FINAL</version>
</dependency>

@RequestMapping("/exportList")
    @ResponseBody
    public Map<String, Object> exportList(HttpServletRequest request, HttpServletResponse response, HttpSession session,
            WarehouseInboundParamVO vo) throws IOException, InvalidFormatException {
        vo.setPage(0);
        vo.setPageSize(10);
        
        List<WarehouseRecordVO> list=warehouseInboundService.selectWarehouseRecordList(vo);
        
        
        if (list == null ||list.size()==0) {
            logger.info("导出入库记录数据为空，没有查询到数据！！！！");
            Workbook wb = new HSSFWorkbook();
            Sheet sheet = wb.createSheet("1");
            Row row = sheet.createRow((short) 0);
            row.createCell(0).setCellValue("没有数据");
            row = sheet.createRow(1);
            row.createCell(0).setCellValue("没有找到数据 - - !!!!!");
            ExcelUtil.downloadExcel(response, wb, "入库记录");
            return APIUtil.toMap(HttpStatus.SUCCESS.getValue(), true);
        }
    
        logger.info("finance..记录数：{}", list.size());

        // -----------------
//         String TEMPLATE_PATH = "E://ziyuan/ruku.xls";

        String TEMPLATE_PATH = "/mnt/tmpl/inventory/warehousingRecord.xlsx";
        Resource resource = new FileSystemResource(TEMPLATE_PATH);
        Workbook workbook = WorkbookFactory.create(resource.getInputStream());
        Sheet sheet = workbook.getSheetAt(0);
        final int startRow = 2;
        Cell cellFourteen =null;
        Cell cellSeventeen =null;
        Cell cellEighteen =null;
        
        for (int i = startRow; i < list.size() + startRow; i++) {

            int rowNum = i - startRow;
            WarehouseRecordVO recordVO=list.get(rowNum);
            
            Calendar calendar = Calendar.getInstance();
            calendar.setTime(recordVO.getConfirmDate());
            Integer year = calendar.get(Calendar.YEAR);
            Integer month = calendar.get(Calendar.MONTH) + 1; // 第一个月从0开始，所以得到月份＋1
            Integer day = calendar.get(Calendar.DAY_OF_MONTH);
            
            Row row = sheet.getRow(i);
            if (row == null) {
                row = sheet.createRow(i);
            }
            CellStyle contextstyle = workbook.createCellStyle();
            DataFormat df = workbook.createDataFormat();
            contextstyle.setDataFormat(df.getFormat("#,##0.00"));

            Cell cell = row.createCell(0);
            cell.setCellValue(rowNum);

            cell = row.createCell(1);
            cell.setCellValue(year+"/"+month+"/"+day);

            cell = row.createCell(2);
            cell.setCellValue(year);

            cell = row.createCell(3);
            cell.setCellValue(month);

            cell = row.createCell(4);
            cell.setCellValue(day);

            if (!StringUtil.isEmpty(recordVO.getItemNum())) {
                cell = row.createCell(5);
                cell.setCellValue(recordVO.getItemNum());
            }
            if (!StringUtil.isEmpty(recordVO.getBarCode())) {
                cell = row.createCell(6);
                cell.setCellValue(recordVO.getBarCode());
            }
            if (!StringUtil.isEmpty(recordVO.getCategoryOneName() )) {
                cell = row.createCell(7);
                cell.setCellValue(recordVO.getCategoryOneName());
            }
            if (!StringUtil.isEmpty(recordVO.getCategoryTwoName() )) {
                cell = row.createCell(8);
                cell.setCellValue(recordVO.getCategoryTwoName());
            }
            if (!StringUtil.isEmpty(recordVO.getBrandName() )) {
                cell = row.createCell(9);
                cell.setCellValue(recordVO.getBrandName());
            }
            if (!StringUtil.isEmpty(recordVO.getItemName() )) {
                cell = row.createCell(10);
                cell.setCellValue(recordVO.getItemName());
            }
            if (!StringUtil.isEmpty(recordVO.getSpecification() )) {
                cell = row.createCell(11);
                cell.setCellValue(recordVO.getSpecification());
            }

            if (!StringUtil.isEmpty(recordVO.getSpecificationNum() )) {
                cell = row.createCell(12);
                cell.setCellValue(recordVO.getSpecificationNum());
            }

            if (!StringUtil.isEmpty(recordVO.getSpecificationName() )) {
                cell = row.createCell(13);
                cell.setCellValue(recordVO.getSpecificationName());
            }

            cell = row.createCell(15);
            cell.setCellValue(recordVO.getRealNum());

            
            BigDecimal price = BigDecimal.valueOf(recordVO.getPrice());
            BigDecimal num = BigDecimal.valueOf(recordVO.getRealNum());
            BigDecimal total = price.multiply(num).divide(BigDecimal.valueOf(100));
            
            cell = row.createCell(16);
            cell.setCellValue(total.doubleValue());
            if (!StringUtil.isEmpty(recordVO.getSupplierName() )) {
                cell = row.createCell(20);
                cell.setCellValue(recordVO.getSupplierName());
            }
            if(rowNum==0){
                cell =row.getCell(14);
                cellFourteen=cell;
                cell =row.getCell(18);
                cellEighteen=cell;
                cell =row.getCell(17);
                cellSeventeen=cell;
            }else{
                int temp=i+startRow-1;
                cell = row.createCell(14);
                cell.setCellType(Cell.CELL_TYPE_FORMULA);
                String cellFormula = cellFourteen.getCellFormula();
                String s = cellFormula.replaceAll("(\w)\d", "$1" + (temp));
                cell.setCellFormula(s);
                
                cell =row.createCell(17);
                cell.setCellType(Cell.CELL_TYPE_FORMULA);
                cellFormula = cellSeventeen.getCellFormula();
                s = cellFormula.replaceAll("(\w)\d", "$1" + (temp));
                cell.setCellFormula(s);
            
                cell =row.createCell(18);
                cell.setCellType(Cell.CELL_TYPE_FORMULA);
                cellFormula = cellEighteen.getCellFormula();
                s = cellFormula.replaceAll("(\w)\d", "$1" + (temp));
                cell.setCellFormula(s);
            }
        }
//        // 重新计算公式
        FormulaEvaluator evaluator = workbook.getCreationHelper().createFormulaEvaluator();
        for (Row r : sheet) {
            for (Cell c : r) {
                if (c.getCellType() == Cell.CELL_TYPE_FORMULA) {
                    evaluator.evaluateFormulaCell(c);  
                }
            }
        }
        
        ExcelUtil.downloadExcel(response, workbook, "入库记录");
        return APIUtil.toMap(HttpStatus.SUCCESS.getValue(), true);
    }

package com.baoqilai.ddg.util;

import java.io.*;
import java.text.SimpleDateFormat;
import java.util.*;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.usermodel.DateUtil;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.multipart.MultipartFile;

/**
 * Excel操作工具类
 */
public class ExcelUtil {

    private static final Logger logger = LoggerFactory.getLogger(ExcelUtil.class);

    /**
     * 解析Excel
     *
     * @param excel 文件
     * @return List集合
     */
    public static List<Map<Integer, Object>> parseExcel(File excel) throws Exception {
        HSSFWorkbook workbook = new HSSFWorkbook(new FileInputStream(excel));
        HSSFSheet sheet = workbook.getSheetAt(0);
        int lastRowIndex = sheet.getLastRowNum();
        List<Map<Integer, Object>> excelData = new ArrayList<>();

        for (int i = 1; i <= lastRowIndex; i++) {
            HSSFRow row = sheet.getRow(i);
            Iterator<Cell> cells = row.cellIterator();
            Map<Integer, Object> rowData = new HashMap<>();
            while (cells.hasNext()) {
                Cell cell = cells.next();
                Integer columnIndex = cell.getColumnIndex();
                if (cell.getCellType() == Cell.CELL_TYPE_NUMERIC) { // 数值
                    if (DateUtil.isCellDateFormatted(cell)) {
                        rowData.put(columnIndex, cell.getDateCellValue());
                    } else {
                        rowData.put(columnIndex, cell.getNumericCellValue());
                    }
                } else if (cell.getCellType() == Cell.CELL_TYPE_BOOLEAN) { // 布尔
                    rowData.put(columnIndex, cell.getBooleanCellValue());
                } else { // 字符串
                    rowData.put(columnIndex, cell.getStringCellValue());
                }
            }
            excelData.add(rowData);
        }
        //       workbook.close();
        return excelData;
    }

    public static List<Map<Integer, Object>> parseExcel2(MultipartFile excel) throws Exception {
        XSSFWorkbook workbook = new XSSFWorkbook(excel.getInputStream());
        XSSFSheet sheet = workbook.getSheetAt(0);
        int lastRowIndex = sheet.getLastRowNum();
        List<Map<Integer, Object>> excelData = new ArrayList<>();

        for (int i = 1; i <= lastRowIndex; i++) {
            XSSFRow row = sheet.getRow(i);
            if (null == row ) continue;
            Iterator<Cell> cells = row.cellIterator();
            Map<Integer, Object> rowData = new HashMap<>();
            while (cells.hasNext()) {
                Cell cell = cells.next();
                Integer columnIndex = cell.getColumnIndex();
                if (cell.getCellType() == Cell.CELL_TYPE_NUMERIC) { // 数值
                    if (DateUtil.isCellDateFormatted(cell)) {
                        rowData.put(columnIndex, cell.getDateCellValue());
                    } else {
                        rowData.put(columnIndex, cell.getNumericCellValue());
                    }
                } else if (cell.getCellType() == Cell.CELL_TYPE_BOOLEAN) { // 布尔
                    rowData.put(columnIndex, cell.getBooleanCellValue());
                } else { // 字符串
                    rowData.put(columnIndex, cell.getStringCellValue());
                }
            }
            excelData.add(rowData);
        }
        //       workbook.close();
        return excelData;
    }

    /**
     * desc: 导出excel表格
     * author: liuchenyu
     * date: 2017/4/8 14:30
     *
     * @param titles    Excel表各列字段名
     * @param sheetname 工作表标签名
     * @param data      导出的数据源
     * @param filename  导出的文件名
     * @param response
     * @param request
     * @throws Exception
     */
    public static void exportExcel(String[] titles, String sheetname,
                                   List<Map<String , Object>> data, String filename, ArrayList<String> list,HttpServletResponse response,
                                   HttpServletRequest request) throws Exception {
        HSSFWorkbook workbook = new HSSFWorkbook();
        HSSFSheet sheet = workbook.createSheet(sheetname);
        HSSFRow row = sheet.createRow(0);
        for (int i = 0; i < titles.length; i++) {
            row.createCell(i).setCellValue(titles[i]);
        }

        for (int i = 0; i < data.size(); i++) {
            Map<String , Object> obj = data.get(i);
            row = sheet.createRow(i + 1);


            for (int j = 0; j < list.size(); j++) {
                String key = list.get(j);
                HSSFCell cell = row.createCell(j);

                cell.setCellValue(obj.get(key)==null?"--":obj.get(key)+"");

            }
        }




//filename = new String(filename.getBytes("gbk-8"), "iso8859-1");
        String encoding = "utf-8";
        String userAgent = request.getHeader("user-agent");
        System.out.println("userAgent: " + userAgent);
        if (userAgent.toLowerCase().indexOf("msie") != -1) {
            encoding = "gbk";
        }
        filename = new String(filename.getBytes(encoding), "iso8859-1");
        response.setHeader("Content-Disposition", "attachment;filename=" + filename + ".xls");
        workbook.write(response.getOutputStream());
        //       workbook.close();
    }


    public static void downloadExcel(HttpServletResponse response, Workbook workbook, String execelName) {
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        try {
            workbook.write(os);
        } catch (IOException e) {
            logger.error("write data to ByteArrayOutputStream fail.", e);
        }

        byte[] content = os.toByteArray();
        InputStream is = new ByteArrayInputStream(content);

        // 设置response参数，可以打开下载页面
        //HttpServletResponse response = WebUtils.getResponse();
        //response.reset();
        response.setContentType("application/vnd.ms-excel;charset=utf-8");
        ServletOutputStream out = null;
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
        String format = sdf.format(new Date());
        try {
            response.setHeader("Content-Disposition",
                    "attachment;filename=" + new String((execelName + format + ".xls").getBytes(), "iso-8859-1"));
            out = response.getOutputStream();
        } catch (Exception e1) {
            logger.error("write data to ServletOutputStream fail.", e1);
        }
        BufferedInputStream bis = null;
        BufferedOutputStream bos = null;
        try {
            bis = new BufferedInputStream(is);
            bos = new BufferedOutputStream(out);

            byte[] buff = new byte[2048];
            int bytesRead;
            while (-1 != (bytesRead = bis.read(buff, 0, buff.length))) {
                bos.write(buff, 0, bytesRead);
            }

        } catch (final IOException e) {
            logger.error("write data to ServletOutputStream fail.", e);
        } finally {
            if (bis != null)
                try {
                    bis.close();
                } catch (IOException e) {
                    logger.error("close InputStream fail.", e);
                }
            if (bos != null)
                try {
                    bos.close();
                } catch (IOException e) {
                    logger.error("close OutputStream fail.", e);
                }
        }
    }


    public static void noDataExcel(HttpServletResponse response, String fileName) {
        Workbook wb = new HSSFWorkbook();
        Sheet sheet = wb.createSheet("1");
        Row row = sheet.createRow((short) 0);
        row.createCell(0).setCellValue("没有数据");
        row = sheet.createRow( 1);
        row.createCell(0).setCellValue("没有找到数据 - - !!!!!");
        ExcelUtil.downloadExcel(response, wb, fileName);
    }

}

/**
     * 导出列表
     */
    $scope.exportList = function () {
        var postData = {
                page: $scope.paginationConf.currentPage,
                pageSize: $scope.paginationConf.itemsPerPage,
                warehouseId:$scope.warehouseId
            };
            if ($scope.submitted == 'pending') {
                postData.status = 0;
            }
            if ($scope.review == 'pending') {
                postData.status = 1;
            }
            if($scope.inboundNum){
                postData.inboundNum = $scope.inboundNum;
                sessionStorage.setItem('inboundNum', $scope.inboundNum);
            }else {
                delete postData.inboundNum;
                sessionStorage.removeItem('inboundNum');
            }
            if($scope.linkDocType || $scope.linkDocType==''){
                postData.linkDocType = $scope.linkDocType;
                sessionStorage.setItem('linkDocType', $scope.linkDocType);
            }else {
                delete postData.linkDocType;
                sessionStorage.removeItem('linkDocType');
            }
            if($scope.linkDocNum){
                postData.linkDocNum = $scope.linkDocNum;
                sessionStorage.setItem('linkDocNum', $scope.linkDocNum);
            }else {
                delete postData.linkDocNum;
                sessionStorage.removeItem('linkDocNum');
            }
            if($scope.supplierName!='' &&$scope.supplierName!=undefined){
                postData.supplierName = $scope.supplierName;
                sessionStorage.setItem('supplierName', $scope.supplierName);
            }else {
                delete postData.supplierName;
                sessionStorage.removeItem('supplierName');
            }

            if($scope.supplierId){
                postData.supplierId = $scope.supplierId;
                sessionStorage.setItem('supplierId', $scope.supplierId);
            }else if($scope.supplierId!='' && $scope.supplierId!=undefined){
                $scope.supplierId = Number(sessionStorage.getItem('supplierId'));
                postData.supplierId = $scope.supplierId;
            }else {
                delete postData.supplierId;
                sessionStorage.removeItem('supplierId');
            }
            if($('#date_first').val() && $('#date_last').val()){
                postData.createStartDate = $('#date_first').val() + ' 00:00:00';
                postData.createEndDate = $('#date_last').val() + ' 23:59:59';
                sessionStorage.setItem('createStartDate', $('#date_first').val());
                sessionStorage.setItem('createEndDate', $('#date_last').val());
            }else if(sessionStorage.getItem('createStartDate')){
                $('#date_first').val(sessionStorage.getItem('createStartDate'));
                $('#date_last').val(sessionStorage.getItem('createEndDate'));
                postData.createStartDate = $('#date_first').val() + ' 00:00:00';
                postData.createEndDate = $('#date_last').val() + ' 23:59:59';
            }else {
                delete postData.createStartDate;
                delete postData.createEndDate;
                sessionStorage.removeItem('createStartDate');
                sessionStorage.removeItem('createEndDate');
            }
        $http({
            url: adminUrl+'scp/inbound/exportList',
            method: "GET",//接口方法
            params: postData,
            headers: {
                'Content-type': 'application/json'
            },
            responseType: 'arraybuffer'
        }).success(function (data, status, headers, config) {
            var blob = new Blob([data], {type: "application/vnd.ms-excel"});
            var objectUrl = URL.createObjectURL(blob);
            var a = document.createElement('a');
            document.body.appendChild(a);
            a.setAttribute('style', 'display:none');
            a.setAttribute('href', objectUrl);
            var filename="入库记录.xls";
            a.setAttribute('download', filename);
            a.click();
            URL.revokeObjectURL(objectUrl);
            
        }).error(function (data, status, headers, config) {
            
        });
    };