<template>
  <div>
  <el-select v-model="value" value-key="value" @change="change" placeholder="请选择">
    <el-option
      v-for="item in options"
      :key="item.value"
      :label="`${item.label}`"
      :value="item"><!--绑定整个对象item-->
      {{item.label}}
    </el-option>
  </el-select>
  </div>
</template>


<script>
export default {
  name: ‘HelloWorld‘,
  data (){
    return {
    options: [{
        value: ‘选项1‘,
        label: ‘黄金糕‘
      }, {
        value: ‘选项2‘,
        label: ‘双皮奶‘
      }, {
        value: ‘选项3‘,
        label: ‘蚵仔煎‘
      }, {
        value: ‘选项4‘,
        label: ‘龙须面‘
      }, {
        value: ‘选项5‘,
        label: ‘北京烤鸭‘
      }],
      value: ‘‘
    }
  },
  created() {

    // 初始化赋值直接 赋值整个对象
    this.value = {
        value: ‘选项5‘,
        label: ‘北京烤鸭‘
      };

  },
  methods: {

    // chnage触发
    change(e) {
      console.log(e);// 打印整个对象 
    }
  }
}
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>

</style>