java zip文件解压后无法删除原zip文件问题

private static void extractZip(String zipFilePath, String destDirPath) throws IOException {
        try {
            ZipFile zipFile = new ZipFile(zipFilePath);
            Enumeration<? extends ZipEntry> entries = zipFile.entries();
            while (entries.hasMoreElements()) {
                ZipEntry entry = entries.nextElement();
                File entryDestination = new File(destDirPath, entry.getName());
                entryDestination.getParentFile().mkdirs();
                if (!entry.isDirectory()) {
                    zipFile.getInputStream(entry);
                }
            }
            zipFile.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

        // 删除原文件
        File zipFile = new File(zipFilePath);
        if (zipFile.exists()) {
            zipFile.delete();
        }
 }

private static void extractZip(String zipFilePath, String destDirPath) throws IOException {
        File destDir = new File(destDirPath);
        if (!destDir.exists()) {
            destDir.mkdirs();
        }

        byte[] buffer = new byte[1024];
        ZipInputStream zis = new ZipInputStream(new FileInputStream(zipFilePath));
        ZipEntry zipEntry = zis.getNextEntry();
        while (zipEntry != null) {
            File newFile = new File(destDir, zipEntry.getName());
            FileOutputStream fos = new FileOutputStream(newFile);
            int len;
            while ((len = zis.read(buffer)) > 0) {
                fos.write(buffer, 0, len);
            }
            fos.close();
            zipEntry = zis.getNextEntry();
        }
        zis.closeEntry();
        zis.close();

        // 删除原文件
        File zipFile = new File(zipFilePath);
        if (zipFile.exists()) {
            zipFile.delete();
        }

    }

   public void zipParse(byte[] content) throws IOException{
        //将包含压缩包信息的字节数组转化为zipInputStream
        ZipInputStream zipInputStream= new ZipInputStream(new ByteArrayInputStream(content,0,content.length));
        //获得压缩包中第一个文件入口
        zipInputStream.getNextEntry();
        //读取第一个文件的字节数组
        byte[] excelByteArray=zipInputStream.readAllBytes();
        zipInputStream.close();
        //将第一个文件的字节数组转化为输入流
        InputStream input=new ByteArrayInputStream(excelByteArray,0,excelByteArray.length);

        //表格解析
        Workbook book = WorkbookFactory.create(input);
        input.close();
        Assert.assertNotNull(book,"表格內容为空");
    }