a-slect搜索功能，并获取选中值的整个对象_获取a-select 选中 对象值

<a-select
  style="width: 100%"
  show-search
  :default-active-first-option="false"
  :show-arrow="false"
  :filter-option="false"
  placeholder="请选择"
  v-model="value"
  @search="getList"    // 搜索方法
  @change="Change"
  :getPopupContainer="
  (triggerNode) => {
      return triggerNode.parentNode
    }
   "
  >
  <a-select-option
    :key="item.branchId"
    :value="item.branchId"
    v-for="item in branchList"
    :channel="item"> //重点带上这个属性，那么选中值的整个对象就会在e.data.attrs.channel
      {{ item.name }}
    </a-select-option>
  </a-select>
 
 

change(val, e) {
  console.log(val) // 选中值的value
  console.log(e.data.attrs.channel) //选中值的整个对象
}
 
getList(val) {
  if (!value) return
    const params = {
      name: value,
      current: 1,
      size: 50
    }
 Api(params).then((res) => {
    this.List = res.result
  })
}