更新：登录功能

uni_modules/wot-design-uni/components/wd-count-to/wd-count-to.vue

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+<template>
+  <view :class="rootClass">
+    <!-- 前缀插槽 -->
+    <slot name="prefix">
+      <wd-text :type="props.type" :color="props.color" :size="`${props.fontSize * 0.7}px`" :text="props.prefix"></wd-text>
+    </slot>
+    <!-- 默认文本插槽 -->
+    <slot>
+      <wd-text :type="props.type" :color="props.color" :size="`${props.fontSize}px`" :text="timeText"></wd-text>
+    </slot>
+    <!-- 后缀插槽 -->
+    <slot name="suffix">
+      <wd-text :type="props.type" :color="props.color" :size="`${props.fontSize * 0.7}px`" :text="props.suffix"></wd-text>
+    </slot>
+  </view>
+</template>
+
+<script lang="ts">
+export default {
+  name: 'wd-count-to',
+  options: {
+    virtualHost: true,
+    addGlobalClass: true,
+    styleIsolation: 'shared'
+  }
+}
+</script>
+
+<script lang="ts" setup>
+import wdText from '../wd-text/wd-text.vue'
+import { computed, watch, onMounted } from 'vue'
+import { countToProps } from './types'
+import { easingFn, isNumber } from '../common/util'
+import { useCountDown } from '../composables/useCountDown'
+import type { CountDownExpose } from '../wd-count-down/types'
+
+const props = defineProps(countToProps)
+const emit = defineEmits(['mounted', 'finish'])
+
+const { start, pause, reset, current } = useCountDown({
+  time: props.duration,
+  millisecond: true,
+  onFinish: () => emit('finish')
+})
+
+// 计算根元素的类名
+const rootClass = computed(() => {
+  return `wd-count-to ${props.customClass}`
+})
+
+const timeText = computed(() => {
+  return parseFormat(current.value.total)
+})
+
+watch([() => props.startVal, () => props.endVal, () => props.duration], resetTime, { immediate: false })
+
+onMounted(() => {
+  resetTime()
+  emit('mounted')
+})
+
+// 重置动画
+function resetTime() {
+  reset(props.duration)
+  if (props.autoStart) {
+    start()
+  }
+}
+
+function parseFormat(remain: number) {
+  const { startVal, endVal, duration, useEasing } = props
+  const progress = duration - remain // 已经进行的时间
+  const isPositive = startVal > endVal // 判断startVal是否大于endVal
+  const progressRatio = progress / duration // 计算进度比例
+
+  let currentVal: number
+
+  if (useEasing) {
+    // 使用缓动函数计算currentVal
+    if (isPositive) {
+      currentVal = startVal - easingFn(progress, 0, startVal - endVal, duration) || 0
+    } else {
+      currentVal = easingFn(progress, startVal, endVal - startVal, duration)
+    }
+  } else {
+    // 不使用缓动函数时的计算方式
+    if (isPositive) {
+      currentVal = startVal - (startVal - endVal) * progressRatio
+    } else {
+      currentVal = startVal + (endVal - startVal) * progressRatio
+    }
+  }
+  // 确保currentVal在startVal和endVal之间
+  currentVal = isPositive ? Math.max(endVal, currentVal) : Math.min(endVal, currentVal)
+  return formatNumber(currentVal)
+}
+
+// 格式化数字
+function formatNumber(num: any): string {
+  if (typeof num !== 'number') {
+    num = parseFloat(num)
+    if (isNaN(num)) {
+      return '0'
+    }
+  }
+  num = num.toFixed(props.decimals)
+  const parts = num.split('.')
+  let integerPart = parts[0]
+  const decimalPart = parts.length > 1 ? props.decimal + parts[1] : ''
+  const rgx = /(\d+)(\d{3})/
+
+  if (props.separator && !isNumber(props.separator)) {
+    while (rgx.test(integerPart)) {
+      integerPart = integerPart.replace(rgx, '$1' + props.separator + '$2')
+    }
+  }
+  return integerPart + decimalPart
+}
+
+defineExpose<CountDownExpose>({ start, reset: resetTime, pause })
+</script>
+
+<style lang="scss" scoped>
+@import './index.scss';
+</style>