FileHandler VirtualDiskNode::createFile(MyString path) { if (!isNormalizedPath(path)) { assert(0); return FileHandler(nullptr); } MyString dir_path = dirname(path).toLower(); DirNode* parent = getDirNode(dir_path); if (!parent) return FileHandler(nullptr); // 文件名创建时保留大小写 MyString file_name = basename(path); if (parent->findFile(file_name) != -1) { return FileHandler(nullptr); } FileNode* nfile = parent->addFile(); assert(nfile); nfile->set_name(file_name); nfile->set_path(path.toLower()); return FileHandler(nfile); }