关于前端:基于-VantVue3-时间范围选择器的实现

发现 Vant 没有提供用于抉择 HH:mm 的工夫范畴选择器，于是手动实现一下。

// ———— RangeTimePicker.vue ————
<template>
  <div>
    <ActionSheet v-model:show="props.show">
      <DatetimePicker
        v-if="props.show && showEndTimePicker === false"
        v-model="startTime"
        @confirm="showEndTimePicker = true"
        @cancel="onClose"
        type="time"
        title="开始工夫"
        :min-hour="0"
        :max-hour="23"
      />
      <DatetimePicker
        v-if="props.show && showEndTimePicker"
        v-model="endTime"
        @confirm="timeConfirm"
        @cancel="onClose(true)"
        cancel-button-text="返回"
        type="time"
        title="完结工夫"
        :min-hour="0"
        :max-hour="23"
      />
    </ActionSheet>
  </div>
</template>

<script setup lang="ts">
import { ActionSheet, DatetimePicker, Toast } from 'vant';
import { ref } from 'vue';

function compareTime(time1: string, time2: string) {
  if (!(/^\d\d:\d\d$/.test(time1) && /^\d\d:\d\d$/.test(time2))) {
    throw new Error('工夫格局不非法，格局必须为：HH:mm 模式')
  }
  const timeNumber1 = time1.match(/\d/g)?.reduce((ac, cur) => ac += cur) || ''
  const timeNumber2 = time2.match(/\d/g)?.reduce((ac, cur) => ac += cur) || ''
  return timeNumber1 < timeNumber2
}

const props = defineProps({
  show: {
    type: Boolean,
    default: false
  },
  times: {
    type: Array,
    default: ["09:00", "12:00"]
  }
})
interface EmitsType {
  (e: 'update:times', times: string[]): void
  (e: 'update:show', show: boolean): void
}
const emit = defineEmits<EmitsType>()

const showEndTimePicker = ref(false)
const startTime = ref<string>(typeof props.times[0] === 'string' ? props.times[0] : '')
const endTime = ref<string>(typeof props.times[1] === 'string' ? props.times[1] : '')
const onClose = (isSetEndTime?: boolean) => {
  if (isSetEndTime) {
    showEndTimePicker.value = false
    return
  }
  emit('update:show', false)
  showEndTimePicker.value = false
}
const timeConfirm = () => {
  if (!compareTime(startTime.value, endTime.value)) {
    Toast("开始工夫不能小于完结工夫")
    return
  }
  emit('update:times', [startTime.value, endTime.value])
  onClose()
}
</script>

<style lang="less">
</style>

成果如下：