倒叙日历：

<template>
  <div class="date-picker">
    <div class="column" @wheel="onYearScroll">
      <div v-for="(year, index) in displayedYears" :key="index" :class="{current: year === currentYear.value && index === 1}">
        {{ year }}
      </div>
    </div>
    <div class="column" @wheel="onMonthScroll">
      <div v-for="(month, index) in displayedMonths" :key="index" :class="{current: month === currentMonth.value && index === 1}">
        {{ monthString(month) }}
      </div>
    </div>
    <div class="column" @wheel="onDayScroll">
      <div v-for="(day, index) in displayedDays" :key="index" :class="{current: day === currentDay.value && index === 1}">
        {{ dayString(day) }}
      </div>
    </div>
  </div>
</template>

<script setup>
import { ref, computed } from 'vue'

const currentYear = ref(new Date().getFullYear())
const currentMonth = ref(new Date().getMonth() + 1)
const currentDay = ref(new Date().getDate())

const displayedYears = computed(() => {
  const year = currentYear.value
  return [year + 1, year, year - 1, year - 2]
})

const displayedMonths = computed(() => {
  const month = currentMonth.value
  return [
    (month + 1 - 1) % 12 + 1,
    month,
    (month - 1 + 12) % 12 || 12,
    (month - 2 + 12) % 12 || 12,
  ]
})

const daysInMonth = (year, month) => {
  return new Date(year, month, 0).getDate()
}

const displayedDays = computed(() => {
  const year = currentYear.value
  const month = currentMonth.value
  const day = currentDay.value
  const daysInCurrentMonth = daysInMonth(year, month)
  return [
    (day + 1 - 1) % daysInCurrentMonth + 1,
    day,
    (day - 1 + daysInCurrentMonth - 1) % daysInCurrentMonth + 1,
    (day - 2 + daysInCurrentMonth - 1) % daysInCurrentMonth + 1
  ]
})

const onYearScroll = (event) => {
  event.preventDefault()
  if (event.deltaY > 0) {
    currentYear.value += 1
  } else {
    currentYear.value -= 1
  }
  // Reset month and day to 1
  currentMonth.value = 1
  currentDay.value = 1
}

const onMonthScroll = (event) => {
  event.preventDefault()
  if (event.deltaY > 0) {
    currentMonth.value = (currentMonth.value % 12) + 1
  } else {
    currentMonth.value = (currentMonth.value - 1 + 11) % 12 + 1
  }
  // Reset day to 1
  currentDay.value = 1
}

const onDayScroll = (event) => {
  event.preventDefault()
  const year = currentYear.value
  const month = currentMonth.value
  const daysInCurrentMonth = daysInMonth(year, month)
  if (event.deltaY > 0) {
    currentDay.value = (currentDay.value % daysInCurrentMonth) + 1
  } else {
    currentDay.value = (currentDay.value - 1 + daysInCurrentMonth - 1) % daysInCurrentMonth + 1
  }
}

const monthString = (month) => {
  return month.toString().padStart(2, '0')
}

const dayString = (day) => {
  return day.toString().padStart(2, '0')
}
</script>

<style>
.date-picker {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  color: #fff !important;
}
.column {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 60px;
}
.column div {
  height: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.current {
  font-weight: bold;
  color: red;
}
</style>

正序日历：

<template>
    <div class="date-picker">
      <div class="column" @wheel="onYearScroll">
        <div v-for="(year, index) in displayedYears" :key="index" :class="{current: year === currentYear}">
          {{ year }}
        </div>
      </div>
      <div class="column" @wheel="onMonthScroll">
        <div v-for="(month, index) in displayedMonths" :key="index" :class="{current: month === currentMonth}">
          {{ monthString(month) }}
        </div>
      </div>
      <div class="column" @wheel="onDayScroll">
        <div v-for="(day, index) in displayedDays" :key="index" :class="{current: day === currentDay}">
          {{ dayString(day) }}
        </div>
      </div>
    </div>
  </template>
  
  <script setup>
  import { ref, computed } from 'vue'
  
  const currentYear = ref(new Date().getFullYear())
  const currentMonth = ref(new Date().getMonth() + 1)
  const currentDay = ref(new Date().getDate())
  
  const displayedYears = computed(() => {
    const year = currentYear.value
    return [year - 2, year - 1, year, year + 1, year + 2]
  })
  
  const displayedMonths = computed(() => {
    const month = currentMonth.value
    return [
      (month - 2 + 12) % 12 || 12,
      (month - 1 + 12) % 12 || 12,
      month,
      (month + 1 - 1) % 12 + 1,
      (month + 2 - 1) % 12 + 1
    ]
  })
  
  const daysInMonth = (year, month) => {
    return new Date(year, month, 0).getDate()
  }
  
  const displayedDays = computed(() => {
    const year = currentYear.value
    const month = currentMonth.value
    const day = currentDay.value
    const daysInCurrentMonth = daysInMonth(year, month)
    return [
      (day - 2 + daysInCurrentMonth) % daysInCurrentMonth || daysInCurrentMonth,
      (day - 1 + daysInCurrentMonth) % daysInCurrentMonth || daysInCurrentMonth,
      day,
      (day + 1 - 1) % daysInCurrentMonth + 1,
      (day + 2 - 1) % daysInCurrentMonth + 1
    ]
  })
  
  const onYearScroll = (event) => {
    event.preventDefault()
    if (event.deltaY > 0) {
      currentYear.value += 1
    } else {
      currentYear.value -= 1
    }
    // Reset month and day to 1
    currentMonth.value = 1
    currentDay.value = 1
  }
  
  const onMonthScroll = (event) => {
    event.preventDefault()
    if (event.deltaY > 0) {
      currentMonth.value = (currentMonth.value % 12) + 1
    } else {
      currentMonth.value = (currentMonth.value - 1 + 11) % 12 + 1
    }
    // Reset day to 1
    currentDay.value = 1
  }
  
  const onDayScroll = (event) => {
    event.preventDefault()
    const year = currentYear.value
    const month = currentMonth.value
    const daysInCurrentMonth = daysInMonth(year, month)
    if (event.deltaY > 0) {
      currentDay.value = (currentDay.value % daysInCurrentMonth) + 1
    } else {
      currentDay.value = (currentDay.value - 1 + daysInCurrentMonth - 1) % daysInCurrentMonth + 1
    }
  }
  
  const monthString = (month) => {
    return month.toString().padStart(2, '0')
  }
  
  const dayString = (day) => {
    return day.toString().padStart(2, '0')
  }
  </script>
  
  <style>
  .date-picker {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    color: #fff !important;
  }
  .column {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 60px;
  }
  .column div {
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .current {
    font-weight: bold;
    color: red;
  }
  </style>