这个是https://blog.csdn.net/qq_33769914/article/details/81562278?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522159244480719724848325509%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=159244480719724848325509&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_v2~rank_blog_default-1-81562278.pc_v2_rank_blog_default&utm_term=element-ui+tree我这个文章的代码。下载了放在自己的vue项目中看结果吧
