摘要:
1.树形 2.返回一个list 递归方法: public static List<TreeNode> buildList(Long parentId, List<TreeNode> nodes) { List<TreeNode> list = new ArrayList<>(); for (Tree 阅读全文
摘要:
long timeMillisStart = System.currentTimeMillis(); long timeMillis = System.currentTimeMillis(); long functionTimess = timeMillis - timeMillisStart; S 阅读全文