區間日曆（帶時分控制）

效果：前後有控制，時分聯動控制

僞代碼（利用了element組件）：

<template>
  <el-container>
    <el-header style="height:62px;">{{overtimetitle}}</el-header>
    <el-container>
      <el-main class="addup_main box_margin nopamain">
        <el-scrollbar style="height:100%"
                      class="detail_scroll">
          <span class="basic_info">基本信息</span>
          <table class="ask_for_leave font_table">
            <tr class="once_space">
              <td class="table_bgtitle">加班時間</td>
              <td colspan="3"
                  class="ask_bgcolor datetd">
                <div class="dt_picker_container">
                  <!--  日期1控件自定義 start-->
                  <div class="dt_picker">
                    <el-date-picker v-model="filters.column.create_start_date"
                                    type="date"
                                    prefix-icon="none"
                                    clear-icon="none"
                                    placeholder="選擇日期"
                                    @change="getBeginDate"
                                    :picker-options="pickerBeginDateBefore"></el-date-picker>
                    <div class="time_picker">
                      <el-select v-model="hour1_val"
                                 class="min_style"
                                 @change="getTimeHour(1)">
                        <el-option v-for="item in hours"
                                   :key="item"
                                   :label="item"
                                   :value="item"></el-option>
                      </el-select>
                      <span class="time_space">:</span>
                      <el-select v-model="min1_val"
                                 class="min_style"
                                 @change="getTimemin(1)">
                        <el-option v-for="item in mins"
                                   :key="item"
                                   :label="item"
                                   :value="item"></el-option>
                      </el-select>
                    </div>
                  </div>
                  <!--  日期1控件自定義 end-->
                  <span>至</span>
                  <div class="dt_picker">
                    <el-date-picker v-model="filters.column.create_end_date"
                                    type="date"
                                    prefix-icon="none"
                                    clear-icon="none"
                                    placeholder="選擇日期"
                                    @change="getEndDate"
                                    :picker-options="pickerBeginDateAfter"></el-date-picker>
                    <div class="time_picker">
                      <el-select v-model="hour2_val"
                                 class="min_style"
                                 @change="getTimeHour(2)">
                        <el-option v-for="item in hours"
                                   :key="item"
                                   :label="item"
                                   :value="item"
                                   :disabled="item < hour1_val"></el-option>
                      </el-select>
                      <span class="time_space">:</span>
                      <el-select v-model="min2_val"
                                 class="min_style"
                                 @change="getTimemin(2)">
                        <el-option v-for="item in mins"
                                   :key="item"
                                   :label="item"
                                   :value="item"
                                   :disabled="hour1_val === hour2_val && item < min1_val"></el-option>
                      </el-select>
                    </div>
                  </div>
                </div>
              </td>
              <td class="table_bgtitle">加班時長</td>
              <td class="ask_duration">{{overtime}} 小時</td>
            </tr>
          </table>
    </el-container>
  </el-container>
</template>
<script>
import { apiGet, api } from '@/api/index'
export default {
  name: 'OverTimeAddUp',
  data () {
    return {
      filters: {
        column: {
          create_start_date: new Date(),
          create_end_date: new Date()
        }
      },
      pickerBeginDateBefore: {
        disabledDate: time => {
          return time.getTime() < Date.now() - 8.64e7
        }
      },
      pickerBeginDateAfter: {
        disabledDate: time => {
          if (this.filters.column.create_start_date === '') {
            this.flag = true
            return time.getTime() < Date.now() - 8.64e7
          } else {
            // 已經選定開始日期限定結束日期
            let dd = new Date(this.filters.column.create_start_date)
            dd.setDate(dd.getDate() - 1)
            let y = dd.getFullYear()
            let m =
              dd.getMonth() + 1 < 10
                ? '0' + (dd.getMonth() + 1)
                : dd.getMonth() + 1
            let d = dd.getDate() < 10 ? '0' + dd.getDate() : dd.getDate()
            let beginDateVal = new Date(y + '-' + m + '-' + d)
            if (beginDateVal) {
              return (
                time.getTime() < beginDateVal - 1 ||
                time.getTime() < Date.now() - 8.64e7
              )
            }
          }
        }
      },
      // 小時選擇
      hours: [
        '00',
        '01',
        '02',
        '03',
        '04',
        '05',
        '06',
        '07',
        '08',
        '09',
        '10',
        '11',
        '12',
        '13',
        '14',
        '15',
        '16',
        '17',
        '18',
        '19',
        '20',
        '21',
        '22',
        '23'
      ],
      hour1_val: '00',
      hour2_val: '00',
      // 分鐘選擇
      mins: [],
      min1_val: '00',
      min2_val: '00'
    }
  },
  mounted () {
    for (let i = 0; i < 60; i = parseInt(i) + 5) {
      if (i < 10) {
        i = '0' + i
      }
      this.mins.push(i)
    }
    this.filters.column.create_start_date = this.init()
    this.filters.column.create_end_date = this.init()
  },
  // 上傳組件相關
  methods: {
    // 初始化時間
    init () {
      let date = new Date()
      date.setHours(0)
      date.setMinutes(0)
      date.setSeconds(0)
      return date
    },
    // 日期相關
    getBeginDate (date) {
      let tmpdhour = this.hour1_val
      let tmpdmin = this.min1_val
      this.filters.column.create_start_date.setHours(this.hour1_val)
      this.filters.column.create_start_date.setMinutes(this.min1_val)
      this.filters.column.create_start_date.setSeconds(0)
      let initedate = new Date(this.filters.column.create_start_date)
      if (
        this.daysBetween(
          this.filters.column.create_start_date,
          this.filters.column.create_end_date
        ) < 0
      ) {
        this.filters.column.create_end_date = new Date(initedate)
        this.hour2_val = tmpdhour
        this.min2_val = tmpdmin
      }
      this.overtime = this.daysBetween(
        this.filters.column.create_start_date,
        this.filters.column.create_end_date
      )
    },
    getEndDate (date) {
      this.filters.column.create_end_date.setHours(this.hour2_val)
      this.filters.column.create_end_date.setMinutes(this.min2_val)
      this.filters.column.create_end_date.setSeconds(0)
      this.overtime = this.daysBetween(
        this.filters.column.create_start_date,
        this.filters.column.create_end_date
      )
    },
    getTimeHour (flag) {
      if (flag === 1) {
        let bdate = new Date(this.filters.column.create_start_date)
        bdate.setHours(this.hour1_val)
        if (this.hour1_val >= this.hour2_val) {
          let tmphour = this.hour1_val
          this.hour2_val = tmphour
          let tmpmin = this.min1_val
          this.min2_val = tmpmin
          this.filters.column.create_end_date.setHours(tmphour)
          this.filters.column.create_end_date.setMinutes(this.min1_val)
        }
        this.filters.column.create_start_date = bdate
      } else if (flag === 2) {
        let edate = new Date(this.filters.column.create_end_date)
        edate.setHours(this.hour2_val)
        this.filters.column.create_end_date = edate
      }
      this.overtime = this.daysBetween(
        this.filters.column.create_start_date,
        this.filters.column.create_end_date
      )
    },
    getTimemin (flag) {
      if (flag === 1) {
        let bdate = new Date(this.filters.column.create_start_date)
        bdate.setMinutes(this.min1_val)
        if (
          this.hour1_val === this.hour2_val &&
          this.min1_val > this.min2_val
        ) {
          this.min2_val = this.min1_val
          this.filters.column.create_end_date.setMinutes(this.min2_val)
        }
        this.filters.column.create_start_date = bdate
        this.postData.startDate = bdate
      } else if (flag === 2) {
        let edate = new Date(this.filters.column.create_end_date)
        edate.setMinutes(this.min2_val)
        this.filters.column.create_end_date = edate
        this.postData.endDate = edate
      }
      this.overtime = this.daysBetween(
        this.filters.column.create_start_date,
        this.filters.column.create_end_date
      )
    },
    // 計算日期差值
    daysBetween (sDate1, sDate2) {
      // Date.parse() 解析一個日期時間字符串，並返回1970/1/1 午夜距離該日期時間的毫秒數
      var time1 = Date.parse(new Date(sDate1))
      var time2 = Date.parse(new Date(sDate2))
      var nDays = (time2 - time1) / 1000 / 60 / 60
      return nDays.toFixed(1)
    }
}
</script>
<style>
.basic_info {
  float: left;
  color: #323232;
  font-size: 14px;
  font-weight: bold;
  height: 50px;
  line-height: 50px;
}
.tr_DifferDay {
  float: left;
  font-size: 14px;
  white-space: normal;
  letter-spacing: 1px;
  color: #ca4341;
  padding-left: 14px;
  height: 50px;
  line-height: 50px;
}
.el-container {
  background-color: #f0f6fa;
  /*height: 900px;*/
}

html,
body,
#app,
.el-container {
  height: 100%;
}
.el-header,
.el-footer {
  line-height: 62px;
  width: 100%;
  background-color: #2a8cd7;
  color: #fff;
  text-align: center;
  vertical-align: middle;
  font-size: 24px;
  word-spacing: 5px;
  letter-spacing: 5px;
  font-weight: 500;
  box-sizing: border-box;
  box-shadow: 0 1px 10px rgba(0, 0, 0, 0.4);
  -webkit-box-shadow: 0 1px 10px rgba(0, 0, 0, 0.4);
}

.apply_desc .el-aside {
  background-color: #d3dce6;
  color: #333;
  text-align: center;
  line-height: 20px;
  margin: 10px 10px;
}

.addup_main .el-main {
  background-color: #ffffff;
  margin: 10px 10px;
  border-radius: 5px;
  color: #333;
  /* text-align: center; */
  padding-top: 5px;
}
.addup_main {
  padding-top: 0;
}
.ask_for_leave .el-col {
  border: solid 1px #e7e7e7;
  height: 40px;
  line-height: 40px;
}
.ask_for_leave tr td {
  border: 1px solid #dfdfdf;
  height: 40px;
  line-height: 40px;
}
.ask_for_leave {
  border-collapse: collapse;
  width: 100%;
}
.font_table tr td {
  font-size: 14px;
}

.ask_details {
  box-sizing: border-box;
  font-size: 14px;
  border: none;
  width: 100%;
  resize: none;
  font-size: 14px;
  height: 100%;
  color: #323232;
  padding: 5px;
  padding-left: 10px;
  line-height: 22px;
}
.input_block {
  margin-left: 0px;
  padding-left: 14px;
  text-align: left;
  height: 30px;
  line-height: 30px;
}
.car_container {
  text-align: left;
  padding-left: 12px;
}
.text_block {
  margin: 0;
  padding: 0;
  width: 100%;
  text-align: left;
  height: 120px;
  line-height: 40px;
}
.table_bgtitle {
  width: 10%;
  /*min-width: 60px;*/
  text-align: center;
  vertical-align: middle;
  background-color: #e6e6e6;
  font-weight: 600;
  font-size: 14px;
}
.ask_once {
  width: 10%;
}
.ask_once1{
  width: 20%;
}
.sptd{
  width: 40%;
}
.ask_bgcolor {
  background-color: #f5f5f5;
  text-align: left;
  padding-left: 10px;
  color: #999;
}
.ask_duration {
  text-align: left;
  padding-left: 10px;
}
/*覆蓋日期控件樣式*/
.dt_picker_container .el-input--prefix .el-input__inner {
  border: none;
  width: 70%;
  height: 30px;
}
.dt_picker_container .el-date-editor.el-input,
.el-date-editor.el-input__inner {
  width: 90px;
}
.dt_picker_container .el-input--prefix .el-input__inner {
  width: 100%;
}
/*el-select樣式覆蓋*/
.dt_picker_container .el-select .el-input .el-select__caret {
  display: none;
}
.dt_picker_container .el-select {
  width: 40px;
}
.dt_picker_container .el-input--suffix .el-input__inner {
  padding: 0;
  text-align: center;
  border: none;
  vertical-align: middle;
  line-height: 30px;
}
/*日期控件樣式自定義*/
.dt_picker_container,
.dt_picker,
.time_picker {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
}
.dt_picker_container {
  justify-content: space-around;
  background: #f5f5f5;
}
.min_style .el-input--suffix .el-input__inner {
  height: 26px;
  background: #e6e6e6;
  line-height: 26px;
  vertical-align: middle;
}
.el-select-dropdown__item {
  padding: 0 11px;
}
.time_space {
  display: inline-block;
  margin: auto 5px;
}
.dt_picker {
  background: #fff;
  width: 47%;
  justify-content: flex-start;
  height: 30px;
}
.datetd {
  padding-left: 0;
}
/*滾動條*/
.detail_scroll .el-scrollbar__wrap {
  overflow-x: hidden;
}
*::-webkit-scrollbar {
  width: 6px;
}
*::-webkit-scrollbar-thumb {
  border-radius: 10px;
  -webkit-box-shadow: inset 0 0 5px rgba(144, 147, 153, 0.5);
  background: rgba(144, 147, 153, 0.5);
}
*::-webkit-scrollbar-track {
  -webkit-box-shadow: inset 0 0 5px #ffffff;
  border-radius: 0;
  background: #ffffff;
}
.nopamain {
  padding: 0;
}
.nopamain .el-scrollbar__view {
  margin: 20px;
  margin-top: 0;
}
.box_margin {
  background: #fff;
  margin: 10px;
  border-radius: 5px;
}
.sp_padding {
  padding-left: 10px;
}
/*日曆等字體*/
.el-date-table {
  font-size: 14px;
}
::-webkit-input-placeholder {
  /* WebKit, Blink, Edge */
  color: #909090;
  font-size: 14px;
}
:-moz-placeholder {
  /* Mozilla Firefox 4 to 18 */
  color: #909090;
  font-size: 14px;
}
::-moz-placeholder {
  /* Mozilla Firefox 19+ */
  color: #909090;
  font-size: 14px;
}
:-ms-input-placeholder {
  /* Internet Explorer 10-11 */
  color: #909090;
  font-size: 14px;
}
</style>