IO流复制一个多级文件夹

Question

完成需求：使用IO流复制一个多级文件夹到目标路径
但是一致显示：路径找不到报错

public class CopyUp {

    public static void main(String[] args) throws IOException {
        File src = new File("D:\\SRP1");
        File target = new File("D:\\Dev\\7");

        copyAll(src,target);
    }

    //复制文件中的单个文件,
    public static void copyFile(File srcFile, File target) throws IOException {

        BufferedInputStream bis = new BufferedInputStream(new FileInputStream(srcFile));
        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(target));

        byte[] bys = new byte[1024];
        int len;
        while((len = bis.read(bys))!=-1){
            bos.write(bys);
        }

        bis.close();
        bos.close();

    }

    public static void copyAll(File src, File target) throws IOException {

        if (src.isDirectory()) {
            //在目标目录下创建名字相同的目录对象
            File newFolder = new File(target, src.getName());

            //判断目标真实目录是否存在，不存在就创建
            if (!newFolder.exists()) {
                newFolder.mkdir();
            }

            //遍历源目录下的所有文件或者目录
            File[] files = src.listFiles();

            for (File file : files) {
                copyAll(file, newFolder);
            }
        }else {
            File newFile = new File(target, src.getName());
            System.out.println(newFile.getAbsoluteFile());
            newFile.createNewFile();
            copyFile(src,newFile);
        }
    }


}

Answer 1

粗略看了一下，先把36行的mkdir改成mkdirs试下呢