Java實(shí)現(xiàn)把文件及文件夾壓縮成zip

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
/**
 * @author Nemo
 * @version 1.0
 * @date 2019/11/5
 */
public class ZipUtils {
  private static final int BUFFER_SIZE = 2 * 1024;
  /**
   * 壓縮成ZIP 方法1
   * @param sourceFile 壓縮文件夾路徑
   * @param out  壓縮文件輸出流
   * @param KeepDirStructure 是否保留原來的目錄結(jié)構(gòu),true:保留目錄結(jié)構(gòu);
   *             false:所有文件跑到壓縮包根目錄下(注意：不保留目錄結(jié)構(gòu)可能會(huì)出現(xiàn)同名文件,會(huì)壓縮失敗)
   * @throws RuntimeException 壓縮失敗會(huì)拋出運(yùn)行時(shí)異常
   */
  public static void toZip(File sourceFile, OutputStream out, boolean KeepDirStructure)
      throws RuntimeException{
    ZipOutputStream zos = null ;
    try {
      zos = new ZipOutputStream(out);
      compress(sourceFile,zos,sourceFile.getName(),KeepDirStructure);
    } catch (Exception e) {
      throw new RuntimeException("zip error from ZipUtils",e);
    }finally{
      if(zos != null){
        try {
          zos.close();
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
    }
  }
  /**
   * 壓縮成ZIP 方法2
   * @param srcFiles 需要壓縮的文件列表
   * @param out      壓縮文件輸出流
   * @throws RuntimeException 壓縮失敗會(huì)拋出運(yùn)行時(shí)異常
   */
  public static void toZip(List<File> srcFiles , OutputStream out)throws RuntimeException {
    long start = System.currentTimeMillis();
    ZipOutputStream zos = null ;
    try {
      zos = new ZipOutputStream(out);
      for (File srcFile : srcFiles) {
        byte[] buf = new byte[BUFFER_SIZE];
        zos.putNextEntry(new ZipEntry(srcFile.getName()));
        int len;
        FileInputStream in = new FileInputStream(srcFile);
        while ((len = in.read(buf)) != -1){
          zos.write(buf, 0, len);
        }
        zos.closeEntry();
        in.close();
      }
      long end = System.currentTimeMillis();
      System.out.println("壓縮完成，耗時(shí)：" + (end - start) +" ms");
    } catch (Exception e) {
      throw new RuntimeException("zip error from ZipUtils",e);
    }finally{
      if(zos != null){
        try {
          zos.close();
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
    }
  }
  /**
   * 遞歸壓縮方法
   * @param sourceFile 源文件
   * @param zos    zip輸出流
   * @param name    壓縮后的名稱
   * @param KeepDirStructure 是否保留原來的目錄結(jié)構(gòu),true:保留目錄結(jié)構(gòu);
   *             false:所有文件跑到壓縮包根目錄下(注意：不保留目錄結(jié)構(gòu)可能會(huì)出現(xiàn)同名文件,會(huì)壓縮失敗)
   * @throws Exception
   */
  private static void compress(File sourceFile, ZipOutputStream zos, String name,
                 boolean KeepDirStructure) throws Exception{
    byte[] buf = new byte[BUFFER_SIZE];
    if(sourceFile.isFile()){
      // 向zip輸出流中添加一個(gè)zip實(shí)體，構(gòu)造器中name為zip實(shí)體的文件的名字
      zos.putNextEntry(new ZipEntry(name));
      // copy文件到zip輸出流中
      int len;
      FileInputStream in = new FileInputStream(sourceFile);
      while ((len = in.read(buf)) != -1){
        zos.write(buf, 0, len);
      }
      // Complete the entry
      zos.closeEntry();
      in.close();
    } else {
      File[] listFiles = sourceFile.listFiles();
      if(listFiles == null || listFiles.length == 0){
        // 需要保留原來的文件結(jié)構(gòu)時(shí),需要對(duì)空文件夾進(jìn)行處理
        if(KeepDirStructure){
          // 空文件夾的處理
          zos.putNextEntry(new ZipEntry(name + "/"));
          // 沒有文件，不需要文件的copy
          zos.closeEntry();
        }
      }else {
        for (File file : listFiles) {
          // 判斷是否需要保留原來的文件結(jié)構(gòu)
          if (KeepDirStructure) {
            // 注意：file.getName()前面需要帶上父文件夾的名字加一斜杠,
            // 不然最后壓縮包中就不能保留原來的文件結(jié)構(gòu),即：所有文件都跑到壓縮包根目錄下了
            compress(file, zos, name + "/" + file.getName(),KeepDirStructure);
          } else {
            compress(file, zos, file.getName(),KeepDirStructure);
          }
        }
      }
    }
  }
  public static void main(String[] args) throws Exception {
    /** 測(cè)試壓縮方法1 */
    FileOutputStream fos1 = new FileOutputStream(new File("c:/mytest01.zip"));
    ZipUtils.toZip(new File("D:/log"), fos1,true);
    /** 測(cè)試壓縮方法2 */
    List<File> fileList = new ArrayList<>();
    fileList.add(new File("D:/Java/jdk1.7.0_45_64bit/bin/jar.exe"));
    fileList.add(new File("D:/Java/jdk1.7.0_45_64bit/bin/java.exe"));
    FileOutputStream fos2 = new FileOutputStream(new File("c:/mytest02.zip"));
    ZipUtils.toZip(fileList, fos2);
  }
}

import org.apache.commons.io.FileUtils;
import java.io.*;

/**
   * 圖片打包下載
   * @author: wangzhouchao
   */
  @ApiImplicitParams({
      @ApiImplicitParam(name = "id", value = "申請(qǐng)人id", required = true, dataType = "Long", paramType = "query"),
  })
  @ApiOperation(value = "圖片打包下載", notes = "圖片打包下載")
  @RequestMapping(value = "/downloadPictureList", method = RequestMethod.GET)
  public void downloadPictureList(TProposerDataVO tProposerDataVO) {

    long readyStart = System.currentTimeMillis();

    // ************* 1. 獲取到存在數(shù)據(jù)庫(kù)中的圖片的url *************
    PictureDownloadVO picturesById = tOrderService.getPicturesByProposerDataId(tProposerDataVO.getId());

    // 獲取當(dāng)前類的所在項(xiàng)目路徑
    File file = null;
    try {
      file = new File(ResourceUtils.getURL("classpath:").getPath());
    } catch (FileNotFoundException e) {
      throw new RuntimeException("獲取根目錄失敗，無(wú)法獲取文件目錄！");
    }
    if(!file.exists()) {
      file = new File("");
    }
    String absolutePath = file.getAbsolutePath();


    // 要打包的文件夾列表
    String order_number = picturesById.getOrder_number();
    String country_name = picturesById.getCountry_name();
    String visa_type = picturesById.getVisa_type();
    String dirName = order_number + country_name + visa_type;

    // ************* 2. 創(chuàng)建要壓縮的文件夾 *************
    // 根據(jù)訂單號(hào)+國(guó)家名稱+簽證類型創(chuàng)建文件夾
    File dirOfOrder = new File(absolutePath, dirName);
    if(!dirOfOrder.exists()) {
      dirOfOrder.mkdirs();
    }

    ZipOutputStream zos = null;
    OutputStream out = null;

    long readyEnd = System.currentTimeMillis();
    System.out.println("準(zhǔn)備完成，耗時(shí)：" + (readyEnd - readyStart) + " ms");
    try {

      long downStart = System.currentTimeMillis();


      System.out.println("開始下載");

      TProposerDataVO vo = picturesById.getProposerDataVO();

      // ************* 3. 根據(jù)獲取到的圖片的url，把圖片按照想要的文件夾目錄進(jìn)行下載 *************
      // 根據(jù)申請(qǐng)人姓名創(chuàng)建文件夾
      File proposerFile = new File(dirOfOrder, vo.getReal_name());
      if (!proposerFile.exists()) {
        proposerFile.mkdirs();
      }
      // 下載申請(qǐng)人照片
      if (StringUtil.checkNotNull(vo.getPhoto_url())) {
        System.out.println("開始下載申請(qǐng)人照片");
        WordExportUtil.downloadHttpUrl(DOMAIN + vo.getPhoto_url(), proposerFile.toString(), File.separator + "photo.jpg");
      }
      // 下載申請(qǐng)人護(hù)照首頁(yè)
      if (StringUtil.checkNotNull(vo.getPassport_home_page_url())) {
        System.out.println("開始下載申請(qǐng)人護(hù)照照片");
        WordExportUtil.downloadHttpUrl(DOMAIN + vo.getPassport_home_page_url(), proposerFile.toString(), File.separator + "passport.jpg");
      }
      // 下載申請(qǐng)人戶口本照片
      if (StringUtil.checkNotNull(vo.getResidence_booklet_url())) {
        System.out.println("開始下載申請(qǐng)人戶口本照片");
        String[] booklets = vo.getResidence_booklet_url().split(",");
        // 創(chuàng)建戶口本照片文件夾
        File bookletsFile = new File(proposerFile, "hukouben");
        if (!bookletsFile.exists()) {
          bookletsFile.mkdirs();
        }
        for (int k = 0; k < booklets.length; k++) {
          WordExportUtil.downloadHttpUrl(DOMAIN + booklets[k], bookletsFile.toString(), File.separator + "residenceBooklet" + k + ".jpg");
        }
      }
      // 下載申請(qǐng)人身份證照片
      if (StringUtil.checkNotNull(vo.getId_card_status()) && vo.getId_card_status() == 0) {
        System.out.println("開始下載申請(qǐng)人身份證照片");
        // 創(chuàng)建身份證照片文件夾
        File idCards = new File(proposerFile, "idCards");
        if (!idCards.exists()) {
          idCards.mkdirs();
        }
        if (StringUtil.checkNotNull(vo.getId_card_positive_url())) {
          WordExportUtil.downloadHttpUrl(DOMAIN + vo.getId_card_positive_url(), idCards.toString(), File.separator + "idCardPostive.jpg");
        }
        if (StringUtil.checkNotNull(vo.getId_card_reverse_url())) {
          WordExportUtil.downloadHttpUrl(DOMAIN + vo.getId_card_reverse_url(), idCards.toString(), File.separator + "idCardReverse.jpg");
        }
      }
      // 下載申請(qǐng)人婚姻證明照片
      if (StringUtil.checkNotNull(vo.getMar_div_card_url())) {
        System.out.println("開始下載申請(qǐng)人婚姻證明照片");
        WordExportUtil.downloadHttpUrl(DOMAIN + vo.getMar_div_card_url(), proposerFile.toString(), File.separator + "marriage.jpg");
      }
      // 下載申請(qǐng)人輔助資產(chǎn)照片
      if (StringUtil.checkNotNull(vo.getAuxiliary_assets_url())) {
        System.out.println("開始下載申請(qǐng)人輔助資產(chǎn)照片");
        String[] auxiliarys = vo.getAuxiliary_assets_url().split(",");
        // 創(chuàng)建輔助資產(chǎn)照片文件夾
        File auxiliarysFile = new File(proposerFile, "fuzhuzichan");
        if (!auxiliarysFile.exists()) {
          auxiliarysFile.mkdirs();
        }
        for (int k = 0; k < auxiliarys.length; k++) {
          WordExportUtil.downloadHttpUrl(DOMAIN + auxiliarys[k], auxiliarysFile.toString(), File.separator + "auxiliary" + k + ".jpg");
        }
      }
      // 下載申請(qǐng)人居住證照片
      if (StringUtil.checkNotNull(vo.getResidence_permit_url())) {
        System.out.println("開始下載申請(qǐng)人居住證照片");
        String[] residences = vo.getResidence_permit_url().split(",");
        // 創(chuàng)建居住證照片文件夾
        File residencesFile = new File(proposerFile, "juzhuzheng");
        if (!residencesFile.exists()) {
          residencesFile.mkdirs();
        }
        for (int k = 0; k < residences.length; k++) {
          WordExportUtil.downloadHttpUrl(DOMAIN + residences[k], residencesFile.toString(), File.separator + "residence" + k + ".jpg");
        }
      }
      // 下載申請(qǐng)人其余補(bǔ)充資料照片
      if (StringUtil.checkNotNull(vo.getOther_data_url())) {
        System.out.println("開始下載申請(qǐng)人其余補(bǔ)充資料照片");
        String[] others = vo.getOther_data_url().split(",");
        // 創(chuàng)建其余補(bǔ)充資料照片文件夾
        File othersFile = new File(proposerFile, "qitabuchongziliao");
        if (!othersFile.exists()) {
          othersFile.mkdirs();
        }
        for (int k = 0; k < others.length; k++) {
          WordExportUtil.downloadHttpUrl(DOMAIN + others[k], othersFile.toString(), File.separator + "other" + k + ".jpg");
        }
      }
      // 下載申請(qǐng)人證明資料照片
      if (StringUtil.checkNotNull(vo.getProve_url())) {
        System.out.println("開始下載申請(qǐng)人證明資料照片");
        String[] prove_urls = vo.getProve_url().split(",");
        // 創(chuàng)建證明資料照片文件夾
        File proveFile = new File(proposerFile, "zhengmingziliao");
        if (!proveFile.exists()) {
          proveFile.mkdirs();
        }
        for (int k = 0; k < prove_urls.length; k++) {
          WordExportUtil.downloadHttpUrl(DOMAIN + prove_urls[k], proveFile.toString(), File.separator + "prove" + k + ".jpg");
        }
      }

      long downEnd = System.currentTimeMillis();
      System.out.println("下載完成，耗時(shí)：" + (downEnd - downStart) + " ms");
      long zipStart = System.currentTimeMillis();

      response.setContentType("application/x-zip-compressed");
      response.setHeader("Content-disposition", "attachment;filename=" + StringUtil.getUUID() + ".zip");
      out = response.getOutputStream();
      zos = new ZipOutputStream(out);

      // ************* 4. 把要壓縮的文件夾路徑、壓縮文件輸出流傳入到ZipUtils.toZip方法，對(duì)文件夾進(jìn)行壓縮 *************
      // 對(duì)文件夾進(jìn)行壓縮，保留原文件夾路徑
      ZipUtils.toZip(dirOfOrder, out, true);
      long zipEnd = System.currentTimeMillis();
      System.out.println("壓縮完成，耗時(shí)：" + (zipEnd - zipStart) + " ms");

      out.flush();
    } catch (IOException e) {
      e.printStackTrace();
    } catch (Exception e) {
      throw new RuntimeException("zip error from ZipUtils", e);
    } finally {
      if (zos != null) {
        try {
          zos.close();
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
      if (out != null) {
        try {
          zos.close();
          out.close();
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
    }

    // ************* 5. 刪除壓縮前準(zhǔn)備的中間文件 *************
    if (dirOfOrder != null) {
      try {
        FileUtils.deleteDirectory(dirOfOrder);
        System.out.println("中間文件已刪除");
      } catch (IOException e) {
        e.printStackTrace();
        System.out.println("中間文件刪除失敗");
      }
    }
  }