使用org.apache.poi导出Excel表格

public HSSFWorkbook MakeExcel(List<TransactionLogVO> logList) {

       // SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        /*response.reset();  
        response.setHeader("Content-Disposition", "attachment;fileName="+ fileName);// 指定下载的文件名       
        OutputStream output = response.getOutputStream();  
        BufferedOutputStream bufferedOutPut = new BufferedOutputStream(output);  */
        //        String path = this.getClass().getClassLoader().getResource("WEB-INF/tqjsxx").getPath();
        // 定义单元格报头  
        String worksheetTitle = "交易日志信息";

        HSSFWorkbook wb = new HSSFWorkbook();

        // 创建单元格样式  
        HSSFCellStyle cellStyleTitle = wb.createCellStyle();
        // 指定单元格居中对齐  
        cellStyleTitle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
        // 指定单元格垂直居中对齐  
        cellStyleTitle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
        // 指定当单元格内容显示不下时不换行  
        cellStyleTitle.setWrapText(false);
        // ------------------------------------------------------------------  
        HSSFCellStyle cellStyle = wb.createCellStyle();
        // 指定单元格居中对齐  
        cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
        // 指定单元格垂直居中对齐  
        cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
        // 指定当单元格内容显示不下时换行  
        cellStyle.setWrapText(true);

        // ------------------------------------------------------------------  
        // 设置单元格字体  
        HSSFFont font = wb.createFont();
        font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
        font.setFontName("宋体");
        font.setFontHeight((short) 200);
        cellStyleTitle.setFont(font);

        // 工作表名  
        String id = "序号";
        String channelCode = "渠道代码";
        String channelName = "渠道名称";
        String cityName = "所属城市";
        String functionCode = "接口功能";
        String logTime = "日志时间";
        String reqMsgId = "消息ID";
        String reqTime = "请求时间";
        String reqMsg = "请求报文";
        String respTime = "响应时间";
        String resultCode = "处理代码";
        String respMsg = "响应报文";

        HSSFSheet sheet = wb.createSheet();
        ExportExcel exportExcel = new ExportExcel(wb, sheet);
        // 创建报表头部  
        exportExcel.createNormalHead(worksheetTitle, 11);
        // 定义第一行  
        HSSFRow row1 = sheet.createRow(1);
        HSSFCell cell1 = row1.createCell(0);

        //第一行第1列         
        cell1.setCellStyle(cellStyleTitle);
        cell1.setCellValue(new HSSFRichTextString(id));
        sheet.setColumnWidth(0, 7 * 256);
        //第一行第2列  
        cell1 = row1.createCell(1);
        cell1.setCellStyle(cellStyleTitle);
        cell1.setCellValue(new HSSFRichTextString(channelCode));
        //第一行第3列  
        cell1 = row1.createCell(2);
        cell1.setCellStyle(cellStyleTitle);
        cell1.setCellValue(new HSSFRichTextString(channelName));

        //第一行第4列  
        cell1 = row1.createCell(3);
        cell1.setCellStyle(cellStyleTitle);
        cell1.setCellValue(new HSSFRichTextString(cityName));

        //第一行第5列  
        cell1 = row1.createCell(4);
        cell1.setCellStyle(cellStyleTitle);
        cell1.setCellValue(new HSSFRichTextString(functionCode));
        sheet.setColumnWidth(4, 20 * 256);
        //第一行第6列  
        cell1 = row1.createCell(5);
        cell1.setCellStyle(cellStyleTitle);
        cell1.setCellValue(new HSSFRichTextString(logTime));
        sheet.setColumnWidth(5, 20 * 256);
        //第一行第7列  
        cell1 = row1.createCell(6);
        cell1.setCellStyle(cellStyleTitle);
        cell1.setCellValue(new HSSFRichTextString(reqMsgId));
        sheet.setColumnWidth(6, 20 * 256);
        //第一行第8列  
        cell1 = row1.createCell(7);
        cell1.setCellStyle(cellStyleTitle);
        cell1.setCellValue(new HSSFRichTextString(reqTime));
        sheet.setColumnWidth(7, 20 * 256);
        //第一行第9列  
        cell1 = row1.createCell(8);
        cell1.setCellStyle(cellStyleTitle);
        cell1.setCellValue(new HSSFRichTextString(reqMsg));
        sheet.setColumnWidth(8, 40 * 256);
        //第一行第10列  
        cell1 = row1.createCell(9);
        cell1.setCellStyle(cellStyleTitle);
        cell1.setCellValue(new HSSFRichTextString(respTime));
        sheet.setColumnWidth(9, 20 * 256);
        //第一行第11列  
        cell1 = row1.createCell(10);
        cell1.setCellStyle(cellStyleTitle);
        cell1.setCellValue(new HSSFRichTextString(resultCode));
        sheet.setColumnWidth(10, 20 * 256);
        //第一行第12列  
        cell1 = row1.createCell(11);
        cell1.setCellStyle(cellStyleTitle);
        cell1.setCellValue(new HSSFRichTextString(respMsg));
        sheet.setColumnWidth(11, 40 * 256);

        //定义第二行开始后的实体内容  
        HSSFRow row = sheet.createRow(2);
        HSSFCell cell = row.createCell(1);
        for (int i = 0; i < logList.size(); i++) {
            TransactionLogVO transactionLog = JSON.parseObject(JSONObject.toJSONString(logList.get(i)), TransactionLogVO.class);

            row = sheet.createRow(i + 2);

            cell = row.createCell(0);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(new HSSFRichTextString(transactionLog.getId() + ""));

            cell = row.createCell(1);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(new HSSFRichTextString(transactionLog.getChannelCode()));

            cell = row.createCell(2);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(new HSSFRichTextString(transactionLog.getChannelName()));

            cell = row.createCell(3);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(new HSSFRichTextString(transactionLog.getCityName()));

            cell = row.createCell(4);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(new HSSFRichTextString(transactionLog.getFunctionCode()));

            cell = row.createCell(5);
            cell.setCellStyle(cellStyle);
            //cell.setCellValue(new HSSFRichTextString(sdf.format(transactionLog.getLogTime())));
            cell.setCellValue(new HSSFRichTextString(timeStamp2Date(transactionLog.getLogTime())));

            cell = row.createCell(6);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(new HSSFRichTextString(transactionLog.getReqMsgId()));

            cell = row.createCell(7);
            cell.setCellStyle(cellStyle);
            //cell.setCellValue(new HSSFRichTextString(sdf.format(transactionLog.getReqTime())));
            cell.setCellValue(new HSSFRichTextString(timeStamp2Date(transactionLog.getReqTime())));

            cell = row.createCell(8);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(new HSSFRichTextString(transactionLog.getReqMsg()));

            cell = row.createCell(9);
            cell.setCellStyle(cellStyle);
            //cell.setCellValue(new HSSFRichTextString(sdf.format(transactionLog.getRespTime())));
            cell.setCellValue(new HSSFRichTextString(timeStamp2Date(transactionLog.getRespTime())));

            cell = row.createCell(10);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(new HSSFRichTextString(transactionLog.getResultCode()));

            cell = row.createCell(11);
            cell.setCellStyle(cellStyle);
            cell.setCellValue(new HSSFRichTextString(transactionLog.getRespMsg()));

        }
        return wb;
    }

导出表格工具类

public class ExportExcel {  
  
    private HSSFWorkbook wb = null;  
    private HSSFSheet sheet = null;  
  
    /** 
     * @param wb 
     * @param sheet  
     */  
    public ExportExcel(HSSFWorkbook wb, HSSFSheet sheet) {  
        // super();  
        this.wb = wb;  
        this.sheet = sheet;  
    }  
  
    /** 
     * 创建通用EXCEL头部 
     *  
     * @param headString 
     *            头部显示的字符 
     * @param colSum 
     *            该报表的列数 
     */  
    public void createNormalHead(String headString, int colSum) {  
        HSSFRow row = sheet.createRow(0);  
        // 设置第一行  
        HSSFCell cell = row.createCell(0);  
        // row.setHeight((short) 1000);  
  
        // 定义单元格为字符串类型  
        cell.setCellType(HSSFCell.ENCODING_UTF_16);// 中文处理  
        cell.setCellValue(new HSSFRichTextString(headString));  
  
        // 指定合并区域  
        /** 
         * public Region(int rowFrom, short colFrom, int rowTo, short colTo) 
         */  
        sheet.addMergedRegion(new CellRangeAddress(0, (short) 0, (short) 0, (short) colSum));  
  
        // 定义单元格格式，添加单元格表样式，并添加到工作簿  
        HSSFCellStyle cellStyle = wb.createCellStyle();  
        // 设置单元格水平对齐类型  
        cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 指定单元格居中对齐  
        cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定单元格垂直居中对齐  
        cellStyle.setWrapText(true);// 指定单元格自动换行  
  
        // 设置单元格字体  
        HSSFFont font = wb.createFont();  
        // font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);  
        // font.setFontName("宋体");  
        // font.setFontHeight((short) 600);  
        // cellStyle.setFont(font);  
        cell.setCellStyle(cellStyle);  
    }  
  
    /** 
     * 创建通用报表第二行 
     *  
     * @param params 
     *            统计条件数组 
     * @param colSum 
     *            需要合并到的列索引 
     */  
    public void createNormalTwoRow(String[] params, int colSum) {  
        // 创建第二行  
        HSSFRow row1 = sheet.createRow(1);  
  
        row1.setHeight((short) 400);  
  
        HSSFCell cell2 = row1.createCell(0);  
  
        cell2.setCellType(HSSFCell.ENCODING_UTF_16);  
        cell2.setCellValue(new HSSFRichTextString("时间：" + params[0] + "至"  
                + params[1]));  
  
        // 指定合并区域  
        /** 
         * public Region(int rowFrom, short colFrom, int rowTo, short colTo) 
         */  
        sheet.addMergedRegion(new CellRangeAddress(1, 1, (short) 0, (short) colSum));  
  
        HSSFCellStyle cellStyle = wb.createCellStyle();  
        cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 指定单元格居中对齐  
        cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定单元格垂直居中对齐  
        cellStyle.setWrapText(true);// 指定单元格自动换行  
  
        // 设置单元格字体  
        HSSFFont font = wb.createFont();  
        font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);  
        font.setFontName("宋体");  
        font.setFontHeight((short) 250);  
        cellStyle.setFont(font);  
  
        cell2.setCellStyle(cellStyle);  
    }  
  
    /** 
     * 设置报表标题 
     *  
     * @param columHeader 
     *            标题字符串数组 
     */  
    public void createColumHeader(String[] columHeader) {  
  
        // 设置列头 在第三行  
        HSSFRow row2 = sheet.createRow(2);  
  
        // 指定行高  
        row2.setHeight((short) 600);  
  
        HSSFCellStyle cellStyle = wb.createCellStyle();  
        cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 指定单元格居中对齐  
        cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定单元格垂直居中对齐  
        cellStyle.setWrapText(true);// 指定单元格自动换行  
  
        // 单元格字体  
        HSSFFont font = wb.createFont();  
        font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);  
        font.setFontName("宋体");  
        font.setFontHeight((short) 250);  
        cellStyle.setFont(font);  
  
        // 设置单元格背景色  
        cellStyle.setFillForegroundColor(HSSFColor.GREY_25_PERCENT.index);  
        cellStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);  
  
        HSSFCell cell3 = null;  
  
        for (int i = 0; i < columHeader.length; i++) {  
            cell3 = row2.createCell(i);  
            cell3.setCellType(HSSFCell.ENCODING_UTF_16);  
            cell3.setCellStyle(cellStyle);  
            cell3.setCellValue(new HSSFRichTextString(columHeader[i]));  
        }  
    }  
  
    /** 
     * 创建内容单元格 
     *  
     * @param wb 
     *            HSSFWorkbook 
     * @param row 
     *            HSSFRow 
     * @param col 
     *            short型的列索引 
     * @param align 
     *            对齐方式 
     * @param val 
     *            列值 
     */  
    public void cteateCell(HSSFWorkbook wb, HSSFRow row, int col, short align,  
            String val) {  
        HSSFCell cell = row.createCell(col);  
        cell.setCellType(HSSFCell.ENCODING_UTF_16);  
        cell.setCellValue(new HSSFRichTextString(val));  
        HSSFCellStyle cellstyle = wb.createCellStyle();  
        cellstyle.setAlignment(align);  
        cell.setCellStyle(cellstyle);  
    }  
  
    /** 
     * 创建合计行 
     *  
     * @param colSum 
     *            需要合并到的列索引 
     * @param cellValue 
     */   
    public void createLastSumRow(int colSum, String[] cellValue) {  
  
        HSSFCellStyle cellStyle = wb.createCellStyle();  
        cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 指定单元格居中对齐  
        cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 指定单元格垂直居中对齐  
        cellStyle.setWrapText(true);// 指定单元格自动换行  
  
        // 单元格字体  
        HSSFFont font = wb.createFont();  
        font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);  
        font.setFontName("宋体");  
        font.setFontHeight((short) 250);  
        cellStyle.setFont(font);  
        // 获取工作表最后一行  
        HSSFRow lastRow = sheet.createRow((short) (sheet.getLastRowNum() + 1));  
        HSSFCell sumCell = lastRow.createCell(0);  
  
        sumCell.setCellValue(new HSSFRichTextString("合计"));  
        sumCell.setCellStyle(cellStyle);  
        // 合并 最后一行的第零列-最后一行的第一列  
        sheet.addMergedRegion(new CellRangeAddress(sheet.getLastRowNum(), sheet.getLastRowNum(),  
                (short) 0, (short) colSum));// 指定合并区域  
  
        for (int i = 2; i < (cellValue.length + 2); i++) {  
            // 定义最后一行的第三列  
            sumCell = lastRow.createCell(i);  
            sumCell.setCellStyle(cellStyle);  
            // 定义数组 从0开始。  
            sumCell.setCellValue(new HSSFRichTextString(cellValue[i - 2]));  
        }  
    }  
  
    /** 
     * 输入EXCEL文件 
     *  
     * @param fileName 
     *            文件名 
     */  
    public void outputExcel(String fileName) {  
        FileOutputStream fos = null;  
        try {  
            fos = new FileOutputStream(new File(fileName));  
            wb.write(fos);  
            fos.close();  
        } catch (FileNotFoundException e) {  
            e.printStackTrace();  
        } catch (IOException e) {  
            e.printStackTrace();  
        }  
    }  
  
    /** 
     * @return the sheet 
     */  
    public HSSFSheet getSheet() {  
        return sheet;  
    }  
  
    /** 
     * @param sheet 
     *            the sheet to set 
     */  
    public void setSheet(HSSFSheet sheet) {  
        this.sheet = sheet;  
    }  
  
    /** 
     * @return the wb 
     */  
    public HSSFWorkbook getWb() {  
        return wb;  
    }  
  
    /** 
     * @param wb 
     *            the wb to set 
     */  
    public void setWb(HSSFWorkbook wb) {  
        this.wb = wb;  
    }  
} 

调用方法

 @RequestMapping("/export")
    public void export(TransactionLogVO transactionlog, HttpServletRequest request, HttpServletResponse response) {
        ResultMessage<DataGridVO> queryRs = transactionLogServiceImpl.list(transactionlog);
        //System.out.println(queryRs.toString());
        //Map<?, ?> resultMap = JSON.parseObject(queryRs.toString());
        List<TransactionLogVO> resultL = new ArrayList<TransactionLogVO>();
        //if ((Integer) resultMap.get("errcode") == 0) {
        resultL = (List<TransactionLogVO>) queryRs.getObj().getRows();
        // }
        if (resultL == null || resultL.size() == 0) {
            resultL = new ArrayList<TransactionLogVO>();
        }
        System.out.println("resultL:" + resultL.toString());
        HSSFWorkbook wb = MakeExcel(resultL);
        String fileName = "交易日志.xls";
        try {
            fileName = new String(fileName.getBytes("utf-8"), "ISO8859-1");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        System.out.println("fileName:" + fileName);
        response.reset();
        response.setHeader("Content-Disposition", "attachment;fileName=" + fileName);// 指定下载的文件名       
        response.setContentType("application/vnd.ms-excel;charset=utf-8");
        try {
            OutputStream output = response.getOutputStream();
            wb.write(output);
            output.flush();
            output.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

需要在pom文件加入POI依赖

<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.10.1</version>
</dependency>