public void downPoliceZip(WorksitePoliceApiInfo worksitePoliceApiInfo) throws Exception {
        String zipName = "同步數(shù)據(jù)" + LocalDate.now() ;
        List<Map<String, Object>> workerMaps = new LinkedList<>();
        List<Map<String, Object>> worksiteMaps = new LinkedList<>();
        Map<String,Object > map = new LinkedHashMap<>();
        //獲取數(shù)據(jù)
        .........
//            String realPath = request.getSession().getServletContext().getContextPath();
            //創(chuàng)建臨時(shí)文件夾保存excel
            String tempDir = zipPath + "/tempDir/" + LocalDate.now() + "/";
         
            //將導(dǎo)出的數(shù)據(jù)轉(zhuǎn)成多個(gè)excel
            List<File> files = this.getStoreOrderExcels(tempDir, workerMaps, worksiteMaps, flag);

            //下載zip
            boolean tag = FileDownloadUtils.generateFile(tempDir, "zip", zipPath, zipName);
            //刪除tempDir文件夾和其中的excel和zip文件
            boolean b = FileDownloadUtils.deleteDir(new File(zipPath + "\\tempDir"));
            if (!b) {
                throw new RuntimeException("tempDir文件夾及其中的臨時(shí)Excel和zip文件刪除失敗");
            }
    }

 /**
     * 將導(dǎo)出的數(shù)據(jù)轉(zhuǎn)成多個(gè)excel
     *
     * @param tempDir      路徑
     * @param workerMaps   map集合
     * @param worksiteMaps map集合
     * @param flag         標(biāo)識
     * @return List<File>
     * @throws IOException 異常
     */
    private List<File> getStoreOrderExcels(String tempDir, List<Map<String, Object>> workerMaps, List<Map<String, Object>> worksiteMaps, String[] flag) throws IOException {
        FileDownloadUtils.createFile(tempDir);
        //存在多個(gè)文件
        List<File> files = new ArrayList<>();
        String path;
        for (int i = 0; i < flag.length; i++) {
            if (flag[i].equals("worker")) {
                path = this.getStoreOrderExcel(flag[i], workerMaps, tempDir);
            } else {
                path = this.getStoreOrderExcel(flag[i], worksiteMaps, tempDir);
            }
            //excel添加到files中
            files.add(new File(path));
        }
        return files;
    }

/**
     * @param flag    標(biāo)識
     * @param maps    map數(shù)組
     * @param tempDir 路徑
     * @return String
     * @throws IOException 異常
     */
    public String getStoreOrderExcel(String flag, List<Map<String, Object>> maps, String tempDir) throws IOException {
        // 通過工具類創(chuàng)建writer，默認(rèn)創(chuàng)建xls格式
        ExcelWriter writer = ExcelUtil.getWriter();
        if (flag.equals("worker")) {
            //自定義標(biāo)題別名
            writer.addHeaderAlias("workerName", "姓名");
            writer.addHeaderAlias("workerIdcard", "身份證號");
        } else {
            //自定義標(biāo)題別名
            writer.addHeaderAlias("workersiteName", "工地名稱");
            writer.addHeaderAlias("worksiteAddress", "工地地址");
        }
        writer.write(maps, true);

        //生成一個(gè)excel
        String path = tempDir + LocalDate.now() + "_" + flag + ".xls";

        //本地測試下載
        FileOutputStream outputStream = new FileOutputStream(path);
        writer.flush(outputStream, true);
        writer.close();
        return path;
    }

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class FileDownloadUtils {

    /**
     * 創(chuàng)建文件夾;
     *
     * @param path 路徑
     */
    public static void createFile(String path) {
        File file = new File(path);
        //判斷文件是否存在;
        if (!file.exists()) {
            //創(chuàng)建文件;
            file.mkdirs();
        }
    }

    /**
     * 刪除文件夾及文件夾下所有文件
     *
     * @param dir 文件地址
     * @return boolean
     */
    public static boolean deleteDir(File dir) {
        if (dir == null || !dir.exists()) {
            return true;
        }
        if (dir.isDirectory()) {
            String[] children = dir.list();
            //遞歸刪除目錄中的子目錄下
            for (String child : children) {
                boolean success = deleteDir(new File(dir, child));
                if (!success) {
                    return false;
                }
            }
        }
        // 目錄此時(shí)為空，可以刪除
        return dir.delete();
    }

    /**
     * @Description  將多個(gè)文件進(jìn)行壓縮到指定位置
     * @param path   要壓縮的文件路徑
     * @param format 生成的格式（zip、rar）
     * @param zipPath zip的路徑
     * @param zipName zip文件名
     */
    public static boolean generateFile(String path, String format,String zipPath,String zipName) throws Exception {

        File file = new File(path);
        // 壓縮文件的路徑不存在
        if (!file.exists()) {
            throw new Exception("路徑 " + path + " 不存在文件，無法進(jìn)行壓縮...");
        }
        // 用于存放壓縮文件的文件夾
        String generateFile = zipPath + File.separator ;
        File compress = new File(generateFile);
        // 如果文件夾不存在，進(jìn)行創(chuàng)建
        if( !compress.exists() ){
            compress.mkdirs();
        }

        // 目的壓縮文件
        String generateFileName = compress.getAbsolutePath() + File.separator  + zipName + "." + format;

        // 輸出流
        FileOutputStream outputStream = new FileOutputStream(generateFileName);
        // 壓縮輸出流
        ZipOutputStream zipOutputStream = new ZipOutputStream(new BufferedOutputStream(outputStream));

        //壓縮
        generateFile(zipOutputStream,file,"");
        System.out.println("源文件位置：" + file.getAbsolutePath() + "，目的壓縮文件生成位置：" + generateFileName);
        // 關(guān)閉 輸出流
        zipOutputStream.close();
        return true;
    }

    /**
     * @param out  輸出流
     * @param file 目標(biāo)文件
     * @param dir  文件夾
     * @throws Exception
     */
    private static void generateFile(ZipOutputStream out, File file, String dir) throws Exception {
        // 當(dāng)前的是文件夾，則進(jìn)行一步處理
        if (file.isDirectory()) {
            //得到文件列表信息
            File[] files = file.listFiles();
            //將文件夾添加到下一級打包目錄
            out.putNextEntry(new ZipEntry(dir + "/"));
            dir = dir.length() == 0 ? "" : dir + "/";
            //循環(huán)將文件夾中的文件打包
            for (int i = 0; i < files.length; i++) {
                generateFile(out, files[i], dir + files[i].getName());
            }
        } else { // 當(dāng)前是文件
            // 輸入流
            FileInputStream inputStream = new FileInputStream(file);
            // 標(biāo)記要打包的條目
            out.putNextEntry(new ZipEntry(dir));
            // 進(jìn)行寫操作
            int len = 0;
            byte[] bytes = new byte[1024];
            while ((len = inputStream.read(bytes)) > 0) {
                out.write(bytes, 0, len);
            }
            // 關(guān)閉輸入流
            inputStream.close();
        }
    }