Array ( [0] => Array ( [id] => 1 [name] => --A [parent_id] => 0 [children] => Array ( [3] => Array ( [id] => 3 [name] => ----a [parent_id] => 1 [level] => 2 [children] => Array ( [4] => Array ( [id] => 4 [name] => ------aa [parent_id] => 3 [level] => 3 [children] => Array ( [6] => Array ( [id] => 6 [name] => --------aaa [parent_id] => 4 [level] => 4 [children] => Array ( )
)
)
)
)
)
)
)
[1] => Array
(
[id] => 2
[name] => --B
[parent_id] => 0
[children] => Array
(
[5] => Array
(
[id] => 5
[name] => ----b
[parent_id] => 2
[level] => 2
[children] => Array
(
)
)
)
)
)
这是一个专为移动设备优化的页面（即为了让你能够在 Google 搜索结果里秒开这个页面），如果你希望参与 V2EX 社区的讨论，你可以继续到 V2EX 上打开本讨论主题的完整版本。
V2EX 是创意工作者们的社区，是一个分享自己正在做的有趣事物、交流想法，可以遇见新朋友甚至新机会的地方。
V2EX is a community of developers, designers and creative people.