<template> 
 <div class="page">
  <van-cell-group>
      <van-cell
       title="選擇日期"
       :value="datetime"
       arrow
       @click="showDatePicker = !showDatePicker"
      ></van-cell>
 </van-cell-group>
 <van-popup v-model="showDatePicker" position="bottom" :style="{ height: '40%' }">
   <van-datetime-picker
    v-model="currentDate"
    @confirm="
     showDatePicker = false;
     onchangDate1();
    "
    @cancel="showDatePicker = false"
    title="時間選擇"
    type="date"
   />
  </van-popup>
 </div>
<template>
<script>
  import { Cell, CellGroup, DatetimePicker, Popup } from "vant";
  import Vue from "vue";
  export default {
   //組件 Q2組件需要正確注冊，才能被頁面識別
   components: {
     [Cell.name]: Cell,
     [CellGroup.name]: CellGroup,
     [DatetimePicker.name]: DatetimePicker,
     [Popup.name]: Popup
   },
 //數(shù)據(jù)層
 data() {
  return {
   datetime: "",
   currentDate: "",  //初始化當(dāng)前時間
   showDatePicker: false, //判斷popup彈出層是否顯示，false不顯示
  }；
 },
 created() {
  this.currentDate = new Date();  //給當(dāng)前時間賦值
  this.datetime = this.common.dateToString(this.currentDate);  //給單元格顯示當(dāng)前時間的變量賦值
 },
 mounted() {},
 methods: {
  onchangDate1() {
   //currentDate值就是選擇的時間，把改變后的值賦值給單元格變量顯示
   this.datetime = this.common.dateToString(this.currentDate);  
  }
 }
};
</script>