java 递归复制佳能raw文件

  public static void main(String[] args) throws IOException {
        // 指定要查找的文件名
            String name = ".CR3";
//            // 指定要查找的路径
            String path = "G:\4K\img";
            String path1 = "G:\4K\img-cr3";
            copyDir(path,path1);
    }
    public static void copyDir(String srcPath, String destPath) throws IOException {
        File srcFile = new File(srcPath);
        File[] files = srcFile.listFiles();
        if (files == null) {
            return;
        }
        File destFile = new File(destPath);
        if (!destFile.exists()) {
            destFile.mkdirs();
        }
        for (File file : files) {
            if (file.isFile()) {
                if (file.getName().endsWith(".CR3")) {
                    FileInputStream fis = new FileInputStream(file);
                    FileOutputStream fos = new FileOutputStream(new File(destPath + File.separator + file.getName()));
                    byte[] buffer = new byte[1024];
                    while (fis.read(buffer) != -1) {
                        fos.write(buffer);
                    }
                    fos.flush();
                    fos.close();
                    fis.close();
                }

            } else if (file.isDirectory()) {
                copyDir(file.getPath(), destPath + File.separator + file.getName());
            }
        }
    }
}