SOURCE

new Vue({
    el: '#app',
    data() {
        return {
            treeData: [
                {
                    title: "parent 1",
                    expand: true,
                    children: [
                        {
                            title: "parent 1-1",
                            expand: true,
                            children: [
                                {
                                    title: "leaf 1-1-1"
                                },
                                {
                                    title: "leaf 1-1-2"
                                }
                            ]
                        },
                        {
                            title: "parent 1-2",
                            expand: true,
                            children: [
                                {
                                    title: "leaf 1-2-1"
                                },
                                {
                                    title: "leaf 1-2-1"
                                }
                            ]
                        }
                    ]
                }
            ]
        }
    }
})

<div id="app">
    <uino-tree :data="treeData">
      <template slot-scope="{ data }" slot="node">
          <span>自定义内容| 节点数据：title:[{{ data.title }}]</span>
      </template>
    </uino-tree>
</div>