<template>
  <div class="block">
    <span class="demonstration">起始日期时刻为 12:00:00</span>
    <el-date-picker
    @change="gettime"
    value-format="yyyy-MM-dd"
      v-model="value1"
      type="datetimerange"
      start-placeholder="开始日期"
      end-placeholder="结束日期"
      :default-time="['12:00:00']">
    </el-date-picker>
  </div>
</template>

<script>
export default {
  data() {
      return {
        value1: '',
      };
    },
    methods:{
      gettime(value1){
       const star = value1[0]
       const end = value1[1]
       console.log('开始时间:',star,'结束时间:',end);

    或者直接this取值
      const star = this.value1[0]
       const end = this.value1[1]
       console.log('开始时间:',star,'结束时间:',end);
      } 
    }
}
</script>

<style>

</style>