vue-treeselect 多选回显

可以通过设置`:flat="true"`属性来实现vue-treeselect多选情况下父子不联动的效果。具体的使用方法可查看官方文档的链接：https://www.vue-treeselect.cn/#flat-mode-and-sort-values [2。

在表单中，你可以使用`<TreeSelect>`组件，并通过`:value`属性来绑定数据的值，通常是id或者code。同时，你还需要提供一个`options`属性来指定数据源。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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