ant-design vue 的a-range-picker的值传入服务端处理办法

<template>
  <div id="app">
    <template>
      <div>
        <a-range-picker @change="onChange"  format="YYYY-MM-DD HH:mm:ss" v-model="timeEl"/>
      </div>
    </template>
  </div>
</template>
<script>
  // 引入组件
  import HelloWorld from './components/HelloWorld.vue'
  export default {
    components: {
      HelloWorld
    },
    data(){
      return {
          startTime:'',
          endTime:'',
          timeEl:[],
          allowClear:false
      }
    },
    methods:{
      onChange(date, dateString) {
        this.startTime = dateString[0];
        this.endTime = dateString[1];
        if (date.length === 0) {
          this.timeEl = [];
        } else {
          console.log("这是开始时间", this.$moment(this.timeEl[0]).format('YYYY-MM-DD HH:mm:ss'));
          console.log("这是结束时间", this.$moment( this.timeEl[1]).format('YYYY-MM-DD HH:mm:ss'));
        }
        console.log(this.timeEl.length);
      }
    }
  }
</script>
<style>
</style>