Poco的File模块是C++标准库的补充，其提供了针对文件基本信息和针对文件夹的基本操作，这些操作在C++标准库是缺失的。

代码示例：

#include <Poco/File.h>
#include <iostream>
#include <string>
#include <vector>

using namespace std;
using namespace Poco;

int main(int argc, char** argv) {
    string path("/etc/hosts");
    File file(path);
    cout << "file path: " << file.path() << endl;
    cout << "file exists ? " << file.exists() << endl;
    cout << "can read ? " << file.canRead() << endl;
    cout << "can wirte ? " << file.canWrite() << endl;
    cout << "can execute? " << file.canExecute() << endl;
    cout << "is file ? " << file.isFile() << endl;
    cout << "is link ? " << file.isLink() << endl;
    cout << "is directory ? " << file.isDirectory() << endl;
    cout << "is device ? " << file.isDevice() << endl;
    cout << "is hidden ? " << file.isHidden() << endl;
    cout << "created at : " << file.created().epochTime() << endl;
    cout << "file size: " << file.getSize() << endl;
    string dirpath("/tmp/a/b/c/d/e");
    File dir(dirpath);
    dir.createDirectories();
    file.copyTo(dirpath);
    vector<string> files;
    dir.list(files);
    vector<string>::iterator it;
    for(it=files.begin();it!=files.end();it++){
        cout << "file in dir: " << *it << endl;
    }
    dir.remove(true);
    
    return 0;
}

参考资料：

/usr/include/Poco/File.h