Vue+Element-ui+DateTimePicker 日期

<template>
    <div>
          <el-date-picker
                v-model="value6"
                @change="dateChangebirthday1"
                type="datetimerange"
                format="yyyy-MM-dd"
                value-format="yyyy-MM-dd"
                start-placeholder="开始日期"
                end-placeholder="结束日期"
              ></el-date-picker>
    </div>
</template>
<script>
    export default {
      data() {
          return {
           value6: "",
           startTime: ""
       };
}

methods:{
   dateChangebirthday1(val) {
      this.startTime = val;
      console.log(this.startTime);
//发送获取表格的请求
  staffList(this.startTime).then(res=>{
          this.staffList=res.result.content;
          console.log(res)
})
    },
}
}  
</script>