<div class="shuttle">
  <!-- 左边列表 -->
  <div class="shuttle-box">
    <div class="shuttle-box-title">
      <div>列表一</div>
      <div class="index-num">{{itemLeft.length}}</div>
    </div>
    <div class="shuttle-box-list">
      <div class="shuttle-box-item" v-for="(vo,inx) in itemLeft" :key="inx">
        <input type="checkbox" :value="inx" v-model="checkLeft" :disabled="vo.disabled" /> {{vo.label}}
      </div>
    </div>
  </div>
  <!-- 左右操作按钮 -->
  <div class="shuttle-click">
    <span @click="goLeft">←</span>
    <span @click="goRight">→</span>
  </div>
  <!-- 右边列表 -->
  <div class="shuttle-box">
    <div class="shuttle-box-title">
      <div>列表二</div>
      <div class="index-num">{{itemRight.length}}</div>
    </div>
    <div class="shuttle-box-list">
      <div class="shuttle-box-item" v-for="(vo,inx) in itemRight" :key="inx">
        <input type="checkbox" :value="inx" v-model="checkRight" :disabled="vo.disabled" /> {{vo.label}}
      </div>
    </div>
  </div>
</div>

<script lang="ts">
import {
  defineComponent,
  reactive,
  toRefs
} from 'vue'

export default defineComponent({
  setup() {

    const data = reactive({
      itemLeft: [{
        label: '列表1的第一条数据',
        disabled: true,
      }, {
        label: '列表1的第二条数据',
        disabled: false,
      }],
      itemRight: [{
        label: '列表2的第一条数据',
        disabled: false,
      }, {
        label: '列表2的第二条数据',
        disabled: false,
      }],
      checkLeft: [],
      checkRight: [],
      goLeft: () => {
        //数组排序
        data.checkRight.sort(data.sortIndex);
        data.checkRight.forEach((item) => {
          //将itemRight对应索引的数据移动到左边去
          data.itemLeft.push(data.itemRight[item]);
          //移除
          data.itemRight.splice(item, 1);
        });
        //清空
        data.checkLeft = [];
        data.checkRight = [];
      },
      goRight: () => {
        //数组排序
        data.checkLeft.sort(data.sortIndex);
        data.checkLeft.forEach((item) => {
          //将itemLeft对应索引的数据移动到右边去
          data.itemRight.push(data.itemLeft[item]);
          //移除
          data.itemLeft.splice(item, 1);
        });
        //清空
        data.checkLeft = [];
        data.checkRight = [];
      },
      //checkbox是绑定的是的数组的索引，所以checkbox的点击的顺序不同的话索引的顺序是不同的，这样删除有可能找不到会报错，排个序从大到小删除就可以
      //这个是排序参数
      sortIndex: (a, b) => {
        return b - a;
      }
    })
    return {
      ...toRefs(data),
    }
  }
})
</script>

.shuttle {
  width: 800px;
  padding: 50px 0;
  display: flex;
  justify-content: space-between;
  //整个穿梭框
  .shuttle-box {
    width: 300px;
    height: 500px;
    border: 1px solid #ddd;
    //标题
    .shuttle-box-title {
      background: #f5f7fa;
      padding: 0 20px;
      height: 40px;
      line-height: 40px;
      display: flex;
      justify-content: space-between;
      .index-num {
        color: #909399;
        font-size: 12px;
        font-weight: 400;
      }
    }
    //列表
    .shuttle-box-list {
      padding: 20px;
      //一个列表item
      .shuttle-box-item {
        line-height: 2.0;
      }
    }
  }
  //左右穿梭按钮
  .shuttle-click {
    padding-top: 60px;
    cursor: pointer;
    span {
      padding: 5px 10px;
      display: inline-block;
      background: #409eff;
      color: #ffffff;
      margin: 0 5px;
      text-align: center;
    }
  }
}