antv g6绘制树状图（vue）

<template>
  <div>
    <button @click="changeDateBtn1">我数树状图一个的按钮(数据切换)</button>
    <button @click="changeDateBtn3">我数树状图三个的按钮(数据切换)</button>
    <div id="container" :style="{ height: '800px', width: '100%' }" />
  </div>
</template>
<script>
import G6 from '@antv/g6'
export default {
  data() {
    return {
      getTreedata: [
        {
          id: 'root',
          label: '汉字',
          name: 1,
          children: []
        }
      ],
      treedata: [
        {
          id: 'root',
          label: 'ASDFSAFFFFFFFFFFFFSAFETWRWR',
          name: 11,
          context: 'root悬框',
          children: [
            {
              id: 'c1',
              label: 'c1',
              name: 2,
              context: 'c1悬框',
              children: [
                {
                  id: 'c1-1',
                  label: 'c1-1',
                  name: 3
                },
                {
                  id: 'c1-2',
                  label: 'c1-2',
                  name: 3,
                  children: [
                    {
                      id: 'c1-2-1',
                      label: 'c1-2-1',
                      name: 4
                    },
                    {
                      id: 'c1-2-2',
                      label: 'c1-2-2',
                      name: 4
                    }
                  ]
                }
              ]
            },
            {
              id: 'c2',
              label: 'c2',
              name: 2
            },
            {
              id: 'c3',
              label: 'c3',
              name: 2,

              children: [
                {
                  id: 'c3-1',
                  label: 'c3-1',
                  name: 3
                },
                {
                  id: 'c3-2',
                  label: 'c3-2',
                  name: 3,

                  children: [
                    {
                      id: 'c3-2-1',
                      label: 'c3-2-1',
                      name: 4
                    },
                    {
                      id: 'c3-2-2',
                      label: 'c3-2-2',
                      name: 4
                    },
                    {
                      id: 'c3-2-3',
                      label: 'c3-2-3',
                      name: 4
                    }
                  ]
                },
                {
                  id: 'c3-3',
                  label: 'c3-3',
                  name: 3