ZHOUYUANN

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> 你是说根节点使用 v-for 吗? 对呀,看下面的图 ![1594104970(1)](https://user-images.githubusercontent.com/23517537/86733685-fbfa4680-c063-11ea-9ee6-491bd697cc4f.png) ![1594104941(1)](https://user-images.githubusercontent.com/23517537/86733692-fd2b7380-c063-11ea-85cd-ee816692e980.png)