Lua中实现递归删除一个文件夹

    return true;
#else
    BOOL ret = CreateDirectoryA(path, NULL);
if (!ret && ERROR_ALREADY_EXISTS != GetLastError())
{
return false;
}
    return true;
#endif
}

    // Remove downloaded files
#if (CC_TARGET_PLATFORM != CC_PLATFORM_WIN32)
    string command = "rm -r ";
    // Path may include space.
    command += "\"" + pathToSave + "\"";
    system(command.c_str());
#else
    string command = "rd /s /q ";
    // Path may include space.
    command += "\"" + pathToSave + "\"";
    system(command.c_str());
#endif
    // Delete recorded version codes.
    getAssetsManager()->deleteVersion();

    createDownloadedDir();
}

function os.exists(path)
    return CCFileUtils:sharedFileUtils():isFileExist(path)
end

function os.mkdir(path)
    if not os.exists(path) then
        return lfs.mkdir(path)
    end
    return true
end

function os.rmdir(path)
    print("os.rmdir:", path)
    if os.exists(path) then
        local function _rmdir(path)
            local iter, dir_obj = lfs.dir(path)
            while true do
                local dir = iter(dir_obj)
                if dir == nil then break end
                if dir ~= "." and dir ~= ".." then
                    local curDir = path..dir
                    local mode = lfs.attributes(curDir, "mode")
                    if mode == "directory" then
                        _rmdir(curDir.."/")
                    elseif mode == "file" then
                        os.remove(curDir)
                    end
                end
            end
            local succ, des = os.remove(path)
            if des then print(des) end
            return succ
        end
        _rmdir(path)
    end
    return true
end