el-date-picker 此刻清除

        <el-date-picker class="dataPick" v-model="applyValue" 
type="datetime" :popper-class="'currentDatePickerClass'"
 value-format="yyyy-MM-dd HH:mm"
 format="yyyy-MM-dd HH:mm" placeholder="選擇日期時間"
 :picker-options="{ disabledDate: (time) => { 
return dataTime.startTimeData(time) }, selectableRange: 
this.startTimeRange,}"> </el-date-picker>

<style>
.currentDatePickerClass > .el-picker-panel__footer > .el-button--text:first-child{
  display: none;
}
</style>