[文件处理常识](%E6%96%87%E4%BB%B6%E5%A4%84%E7%90%86%E5%B8%B8%E8%AF%86.md) [删除路径下的所有文件夹和文件](%E5%88%A0%E9%99%A4%E8%B7%AF%E5%BE%84%E4%B8%8B%E7%9A%84%E6%89%80%E6%9C%89%E6%96%87%E4%BB%B6%E5%A4%B9%E5%92%8C%E6%96%87%E4%BB%B6.md) [一键清空缓存](%E4%B8%80%E9%94%AE%E6%B8%85%E7%A9%BA%E7%BC%93%E5%AD%98.md)