<template>
  <div>
    <vt
      ref="virtualTable"
      :columns="columns"
      :data-source="list"
      :itemSize="54"
      keyProp="name"
      row-key="name"
      :scroll="{ y: 850 }"
      @selection-change="handleSelectionChange"
    >
      <a slot="name" slot-scope="{ text }">{{ text }}===</a>
    </vt>
  </div>
</template>

<script>
import vt from "./components/vt.vue";

export default {
  components: {
    vt,
  },
  data() {
    return {
      columns: [
        {
          type: "selection",
        },
        {
          title: "name",
          dataIndex: "name",
          key: "name",
        },
      ],
      list:[],
      multipleSelection: [],
    };
  },
  created() {
    const list = [];
    for (let i = 0; i < 2000; i++) {
      list.push({
        name: "name" + i++,
      });
    }
    this.list=list
  },
  methods: {
    handleSelectionChange(val) {
      console.log(
        "multipleSelection",
        val,
        JSON.stringify(val.map((i) => i.name).join("，"))
      );
      this.multipleSelection = val;
    },
  },
};
</script>

组件引用地址