如果我的问题正确，那么您可以执行以下操作：
File a = new File("/some/abs/path");File parentFolder = new File(a.getParent());File b = new File(parentFolder, "../some/relative/path");String absolute = b.getCanonicalPath(); // may throw IOException
如果我的问题正确，那么您可以执行以下操作：
File a = new File("/some/abs/path");File parentFolder = new File(a.getParent());File b = new File(parentFolder, "../some/relative/path");String absolute = b.getCanonicalPath(); // may throw IOException名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
