本代码采用Qt4编程，该代码可以实现对本地磁盘的直接访问，并且在界面下可以看到你磁盘空间的大小。进入到目录之后，还能看到文件夹下面的各种格式的文件。-Qt4 programming using the code, the code can achieve direct access to local disk, and in the interface you can see the size of disk space. After entering the directory, but also see the following folders of documents in various formats.