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我要设置elementui 的el-tree的层级只显示2个层级怎样动态设置层级呢？
    如题： 我要设置elementui 的el-tree的层级只显示2个层级怎样动态设置层级呢？ 如图：只需要显示2个层级 但是每个层级都是单独的接口 https://element.eleme.cn/#/zh... 里面说的：分别 ... 动态获取呢？数组的长度也是动态的 是不是可以把:default-expanded-keys绑定一个动态数组传进去参数吗？...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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