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深兰科技轮腿家用AI机器人荣获“2023年度城市更新科创大奖”

以沫的窝 2023-11-16 阅读 35

本篇文章主要讲解有关压缩文件的处理:在开发中我们不免会遇到上传多个文件到服务器,这个时候我们就要用到压缩文件,将压缩到的文件上传到服务器,就非常的方便,下面是压缩文件的工具类,以供参考:

public class ZipUtils {
    private static boolean isSuccess = false;
    public static boolean isSuccess() {
        return isSuccess;
    }

    /**
     * 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,String zipName)  {
        //创建ZIP
        ZipOutputStream outZip = null;
        try {
            //创建文件
            File file = new File(srcFileString);
            File outPath = new File(zipFileString);
            if (!outPath.exists()){
                outPath.mkdirs();
            }
            outZip = new ZipOutputStream(new FileOutputStream(new File(outPath, zipName)));
            //压缩
            ZipFiles(file.getParent() + File.separator, file.getName(), outZip);
            isSuccess = true;
        } catch (Exception e) {
            isSuccess = false;
            e.printStackTrace();
        } finally {
            //完成和关闭
            if (outZip != null) {
                try {
                    outZip.finish();
                    outZip.close();
                }catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    /**
     * 压缩文件
     *
     * @param folderString
     * @param fileString
     * @param zipOutputSteam
     * @throws Exception
     */
    private static void ZipFiles(String folderString, String fileString, ZipOutputStream zipOutputSteam)
            throws Exception {
        if (zipOutputSteam == null)
            return;
        FileInputStream inputStream = null;
        try {
            File file = new File(folderString + fileString);
            if (file.isFile()) {
                ZipEntry zipEntry = new ZipEntry(fileString);
                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);
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException ex) {
                    ex.printStackTrace();
                }
            }
        }
    }
}
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