poi导出 xlsx格式

package com.walmart.aloha.productmanage.util;

import org.apache.commons.lang.StringUtils;
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.HorizontalAlignment;
import org.apache.poi.ss.usermodel.VerticalAlignment;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URLEncoder;

public class ExcleUtils {

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


    public static void setCellValue(int index, String strValue, XSSFRow row) {
        XSSFCell cell;
        cell = row.createCell(index);
        cell.setCellValue(
                strValue
        );
    }


    public static void setTitle(int[] colwidth1, String[] title, XSSFWorkbook wb, XSSFSheet sheet) {
        for (int i = 0; i < colwidth1.length; i++) {
            sheet.setColumnWidth(i, colwidth1[i]);
        }

        // 第三步，在sheet中添加表头第0行,注意老版本poi对Excel的行数列数有限制
        XSSFRow row = sheet.createRow(0);
        // 第四步，创建单元格，并设置值表头 设置表头居中
        XSSFCellStyle cellstyle = wb.createCellStyle();
        // 创建垂直一个居中格式
        cellstyle.setAlignment(HorizontalAlignment.CENTER);
        // 创建一个居中格式
        cellstyle.setVerticalAlignment(VerticalAlignment.CENTER);
        Font titlefont = wb.createFont();
        titlefont.setBold(true);
        titlefont.setFontName("宋体");
        cellstyle.setFont(titlefont);

        //声明列对象
        XSSFCell cell = null;
        //创建标题
        for (int i = 0; i < title.length; i++) {
            cell = row.createCell(i);
            cell.setCellValue(title[i]);
            cell.setCellStyle(cellstyle);
        }
    }


    //发送响应流方法
    public static void setResponseHeader(HttpServletResponse response, String fileName) {
        try {
            response.reset();
            response.addHeader("Access-Control-Allow-Origin", "*");
            response.addHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE");
            response.addHeader("Access-Control-Allow-Headers", "Content-Type");
            String name = URLEncoder.encode(fileName, "UTF-8"); //解决文件名乱码的问题
            fileName = new String(name.getBytes("utf-8"), "ISO-8859-1");
            // 设置response的Header
            response.addHeader("Content-Disposition", "attachment;filename=" + fileName);
            response.setContentType("application/octet-stream");
            response.setCharacterEncoding("UTF-8");
        } catch (Exception ex) {
            logger.error("Exception", ex);
        }
    }


    /**
     * 写出文件 2007
     */
    public static void writeXssfFile(HttpServletResponse response, HttpServletRequest request, XSSFWorkbook wb, String fileName) {
        try {
            ExcleUtils.setResponseHeader(response, fileName);
            OutputStream os = new BufferedOutputStream(response.getOutputStream());
            wb.write(os);
            os.flush();
            os.close();
        } catch (Exception e) {
            logger.error("Exception ", e);
            e.printStackTrace();
        }

    }

    //写出文件 2003
    public static void writeFile(HttpServletResponse response, HttpServletRequest request, HSSFWorkbook wb, String fileName) {
        try {
            final String userAgent = request.getHeader("USER-AGENT");
            String finalFileName = null;
            if (StringUtils.contains(userAgent, "MSIE")) {//IE浏览器
                finalFileName = URLEncoder.encode(fileName, "UTF8");

            } else if (StringUtils.contains(userAgent, "Mozilla")) {//google,火狐浏览器
                finalFileName = new String(fileName.getBytes(), "ISO8859-1");
            } else {
                finalFileName = URLEncoder.encode(fileName, "UTF8");//其他浏览器
            }

            ExcleUtils.setResponseHeader(response, finalFileName);
            OutputStream os = response.getOutputStream();
            wb.write(os);
            os.flush();
            os.close();
        } catch (Exception e) {
            logger.error("Exception ", e);
            e.printStackTrace();
        }
    }

    /**
     * 获取workbook
     *
     * @param file
     * @param excelName
     * @return
     * @throws IOException
     */
    public static Workbook getWorkBook(MultipartFile file, String excelName) throws IOException {
        InputStream is = null;
        is = file.getInputStream();
        Workbook wb = null;
        if (excelName.toLowerCase().endsWith("xls")) {
            // Excel-2003
            wb = new HSSFWorkbook(is);
        } else if (excelName.toLowerCase().endsWith("xlsx")) {
            // Excel-2007
            wb = new XSSFWorkbook(is);
        }
        return wb;
    }

}

方法用户的导出功能 导出为 xlsx格式

@Override
public void exportByWhere(ParamUser paramUser, HttpServletResponse response, HttpServletRequest request) {
    List<UserInfo> list = userInfoMapper.exportByWhere(paramUser);
    int[] colwidth1 = {20 * 256, 20 * 256, 20 * 256, 40 * 256, 40 * 256,
            30 * 256, 20 * 256, 20 * 256};
    String[] title = {"Domain", "Team", "Role", "Name", "Mobile number", "User ID", " 工号 ", "Supervisor", "Status(在职/离职)"};
    String sheetName = "User List";
    XSSFWorkbook wb = new XSSFWorkbook();
    // 创建一个工作薄对象
    XSSFSheet sheet = wb.createSheet(sheetName);
    ExcleUtils.setTitle(colwidth1, title, wb, sheet);
    XSSFRow row;
    for (int i = 0; i < list.size(); i++) {
        UserInfo userInfo = list.get(i);
        row = sheet.createRow(i + 1);
        ExcleUtils.setCellValue(0, BaseInfo.isNull(userInfo.getDomain()), row);
        ExcleUtils.setCellValue(1, BaseInfo.isNull(userInfo.getTeam()), row);
        ExcleUtils.setCellValue(2, BaseInfo.isNull(userInfo.getRole()), row);
        ExcleUtils.setCellValue(3, BaseInfo.isNull(userInfo.getEnglishName()), row);
        ExcleUtils.setCellValue(4, BaseInfo.isNull(userInfo.getMobileNum()), row);
        ExcleUtils.setCellValue(5, BaseInfo.isNull(userInfo.getUserId()), row);
        ExcleUtils.setCellValue(6, BaseInfo.isNull(userInfo.getEmpId() == null ? "-" : userInfo.getEmpId()), row);
        ExcleUtils.setCellValue(7, BaseInfo.isNull(userInfo.getSuperiorEnglishName()), row);
        ExcleUtils.setCellValue(8, BaseInfo.isNull(userInfo.getStatus()), row);
    }
    String fileName = "user_list" + System.currentTimeMillis() + ".xlsx";
    ExcleUtils.writeXssfFile(response, request, wb, fileName);
}