概述

该组件包含日期选择，任意时间选择、固定时间点选择。

子组件代码(date-picker.vue)

<template>
  <div id="date_picker">
    <el-popover placement="top" width="322" trigger="click" ref="popover">

      <div class="picker">
        <!-- 日期选择 -->
        <el-date-picker v-model="date" type="date" placeholder="选择日期" prefix-icon=" "></el-date-picker>

        <!-- 任意时间点 -->
        <el-time-picker v-model="anyTime" placeholder="任意时间" prefix-icon=" "></el-time-picker>

        <!-- 固定时间 -->
        <el-select v-model="fixTime" placeholder="固定时间">
          <el-option v-for="item in timePickerOptions" :key="item.value" :label="item.label" :value="item.value"></el-option>
        </el-select>
      </div>

      <!-- 操作按钮 -->
      <div style="text-align: end;margin-top: 10px;">
        <el-button type="text" @click="getCurrentTime">此刻</el-button>
        <el-button @click="getselectedTime">确定</el-button>
      </div>

      <!-- 弹出层的输入框 -->
      <el-input slot="reference" placeholder="选择日期时间" v-model="expectTime"></el-input>
    </el-popover>

  </div>
</template>

<script>
export default {
  data() {
    return {
      date: '',  // 日期
      anyTime: '', // 任意时间
      fixTime: '', // 固定时间
      expectTime: '',  // 总时间
      timePickerOptions: [
        { value: '09:00', label: '9:00' },
        { value: '12:30', label: '12:30' },
        { value: '14:30', label: '14:30' },
        { value: '15:30', label: '15:30' },
        { value: '17:00', label: '17:00' },
        { value: '18:30', label: '18:30' },
        { value: '19:00', label: '19:00' },
        { value: '20:30', label: '20:30' },
      ],
    }
  },
  watch: {
    anyTime() {
      return this.anyTime ? this.fixTime='' : this.anyTime
    },
    fixTime() {
      return this.fixTime ? this.anyTime='' : this.fixTime
    }
  },
  methods: {
    // 获取此刻时间
    getCurrentTime() {
      this.date = this._timeFormatConversion(new Date(), 'yyyy-MM-dd')
      this.anyTime = new Date()
      this.expectTime = `${this.date} ${this._timeFormatConversion(this.anyTime, 'HH:mm:ss')}`
      this.$emit('click',this.expectTime)
      this.$refs.popover.doClose()
    },
    // 获取最终选定时间
    getselectedTime() {
      this.date = this._timeFormatConversion(this.date ? this.date : new Date(), 'yyyy-MM-dd')
      
      if (this.anyTime) {
        this.expectTime = `${this.date} ${this._timeFormatConversion(this.anyTime, 'HH:mm:ss')}`
      } else if (this.fixTime) {
        this.expectTime = `${this.date} ${this.fixTime}`
      } else {
        this.getCurrentTime()
      }

      this.$emit('click',this.expectTime)
      this.$refs.popover.doClose()
    },
    // 时间格式化
    _timeFormatConversion(time, format) {
      var t = new Date(time);
      var tf = function (i) {
        return (i < 10 ? '0' : '') + i
      };
      return format.replace(/yyyy|MM|dd|HH|mm|ss/g, function (a) {
        switch (a) {
          case 'yyyy':
            return tf(t.getFullYear());
            break;
          case 'MM':
            return tf(t.getMonth() + 1);
            break;
          case 'mm':
            return tf(t.getMinutes());
            break;
          case 'dd':
            return tf(t.getDate());
            break;
          case 'HH':
            return tf(t.getHours());
            break;
          case 'ss':
            return tf(t.getSeconds());
            break;
        }
      })
    }
  }
}
</script>

<style scoped lang="scss">
#date_picker {
  width: 100%;
}
.el-date-editor.el-input, .el-date-editor.el-input__inner,
.el-select {
  width: 100px;
}
.picker {
  display: flex;
  justify-content: space-between;
}
/deep/ .el-input--prefix .el-input__inner {
  padding: 0 7px;
}
</style>

父组件引用

<date-picker v-model="time" @sendTime="getTime"></date-picker>

import datePicker from '@/components/date-picker'

components: { datePicker }

// 获取预期时间
getTime(val) {
  this.time = val
  console.log(this.time,"this.time");
}