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Android实现文件或文件夹压缩成.zip格式压缩包

2019-10-21 21:45:35
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本文实例为大家分享了Android压缩文件和文件夹的方法,供大家参考,具体内容如下

 /**   * 压缩文件和文件夹   *   * @param srcFileString 要压缩的文件或文件夹   * @param zipFileString 压缩完成的Zip路径   * @throws Exception   */  public static void ZipFolder(String srcFileString, String zipFileString) throws Exception {    //创建ZIP    ZipOutputStream outZip = new ZipOutputStream(new FileOutputStream(zipFileString));    //创建文件    File file = new File(srcFileString);    //压缩    LogUtils.LOGE("---->"+file.getParent()+"==="+file.getAbsolutePath());    ZipFiles(file.getParent()+ File.separator, file.getName(), outZip);    //完成和关闭    outZip.finish();    outZip.close();  }   /**   * 压缩文件   *   * @param folderString   * @param fileString   * @param zipOutputSteam   * @throws Exception   */  private static void ZipFiles(String folderString, String fileString, ZipOutputStream zipOutputSteam) throws Exception {    LogUtils.LOGE("folderString:" + folderString + "/n" +        "fileString:" + fileString + "/n==========================");    if (zipOutputSteam == null)      return;    File file = new File(folderString + fileString);    if (file.isFile()) {      ZipEntry zipEntry = new ZipEntry(fileString);      FileInputStream inputStream = new FileInputStream(file);      zipOutputSteam.putNextEntry(zipEntry);      int len;      byte[] buffer = new byte[4096];      while ((len = inputStream.read(buffer)) != -1) {        zipOutputSteam.write(buffer, 0, len);      }      zipOutputSteam.closeEntry();    } else {      //文件夹      String fileList[] = file.list();      //没有子文件和压缩      if (fileList.length <= 0) {        ZipEntry zipEntry = new ZipEntry(fileString + File.separator);        zipOutputSteam.putNextEntry(zipEntry);        zipOutputSteam.closeEntry();      }      //子文件和递归      for (int i = 0; i < fileList.length; i++) {        ZipFiles(folderString+fileString+"/", fileList[i], zipOutputSteam);      }    }}

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