SOURCE

var Main = {
  data() {
    return {
      tableData: [],
      arrow: ''
    }
  },
  methods: {
     fixedColumn (field) {
        const xTable = this.$refs.xTable
        const column = xTable.getColumnByField(field)
        const groupFixed = column.fixed ? null : this.arrow
        // 将分组整体设置固定列
        XEUtils.eachTree([column], column => {
          column.fixed = groupFixed
        })
        // 刷新列
        xTable.refreshColumn()
      }
	},
  created () {
    var list = []
    for(var index = 0; index < 20; index++){
      list.push({
        name: 'test' + index,
        role: 'developer',
        sex: 'Man',
        date: '2019-05-01',
        time: 1556677810888 + index * 500,
        region: 'ShenZhen',
        address: 'address abc' + index
      })
    }
    this.tableData = list
  }
};
var Ctor = Vue.extend(Main);
new Ctor().$mount('#app')

<script src="https://cdn.jsdelivr.net/npm/vue"></script>
<script src="https://cdn.jsdelivr.net/npm/xe-utils"></script>
<script src="https://cdn.jsdelivr.net/npm/vxe-table@2.9.3-beta.0"></script>
<!-- 使用 cdn 引用方式需要注意是否锁定版本，默认指向最新版本 -->

<div id="app">
  <template>
    <div>
      <vxe-toolbar style="margin: 0 10px" size="small">
          <template v-slot:buttons>
            <vxe-button @click="arrow = arrow === 'left' ? 'right' : 'left'">{{!arrow ? 'no fixed' : `锁定方向  ${arrow}`}}</vxe-button>
            <vxe-button @click="arrow = ''">clear fixed</vxe-button>
            
            <vxe-button @click="fixedColumn('group0')">group0</vxe-button>
            <vxe-button @click="fixedColumn('group1')">group1</vxe-button>
            <vxe-button @click="fixedColumn('group2')">group2</vxe-button>
            <vxe-button @click="fixedColumn('group3')">group3</vxe-button>
            <vxe-button @click="fixedColumn('group4')">group4</vxe-button>
          </template>
        </vxe-toolbar>

        <vxe-table
          border
          ref="xTable"
          height="400"
          :data="tableData">
          
          <vxe-table-column field="group0" title="group0">
            <vxe-table-column type="seq" width="60"></vxe-table-column>
            <vxe-table-column field="name" title="Name" width="180"></vxe-table-column>
          </vxe-table-column>
          
          <vxe-table-column field="group1" title="group1">
            <vxe-table-column field="role" title="role" width="120"></vxe-table-column>
          </vxe-table-column>
          
          <vxe-table-column field="group2" title="group2">
            <vxe-table-column field="role" title="Role" width="300"></vxe-table-column>
            <vxe-table-column field="sex" title="Sex" width="200"></vxe-table-column>
            <vxe-table-column title="详细信息">
              <vxe-table-column field="sex" title="Sex" width="200"></vxe-table-column>
            </vxe-table-column>
          </vxe-table-column>
          
          <vxe-table-column field="group3" title="group3">
            <vxe-table-column field="sex" title="Age2" width="120"></vxe-table-column>
          </vxe-table-column>
          
          <vxe-table-column field="group4" title="group4">
            <vxe-table-column field="date" title="Date" width="140"></vxe-table-column>
            <vxe-table-column field="address" title="Address" width="200" show-overflow></vxe-table-column>
          </vxe-table-column>
          
        </vxe-table>
    </div>
  </template>
</div>

@import url("https://cdn.jsdelivr.net/npm/vxe-table/lib/index.css");