更新：登录功能

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

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+<template>
+  <view :class="`wd-count-down ${customClass}`" :style="customStyle">
+    <slot :current="current" v-if="$slots.default" />
+    <block v-else>{{ timeText }}</block>
+  </view>
+</template>
+
+<script lang="ts">
+export default {
+  name: 'wd-count-down',
+  options: {
+    virtualHost: true,
+    addGlobalClass: true,
+    styleIsolation: 'shared'
+  }
+}
+</script>
+
+<script setup lang="ts">
+import { watch, computed, onMounted } from 'vue'
+import { parseFormat } from './utils'
+import { useCountDown } from '../composables/useCountDown'
+import { countDownProps, type CountDownExpose } from './types'
+
+const props = defineProps(countDownProps)
+
+const emit = defineEmits(['change', 'finish'])
+
+const { start, pause, reset, current } = useCountDown({
+  time: props.time,
+  millisecond: props.millisecond,
+  onChange: (current) => emit('change', current),
+  onFinish: () => emit('finish')
+})
+
+const timeText = computed(() => parseFormat(props.format, current.value))
+
+const resetTime = () => {
+  reset(props.time)
+  if (props.autoStart) {
+    start()
+  }
+}
+
+watch(() => props.time, resetTime, { immediate: false })
+
+onMounted(() => {
+  resetTime()
+})
+
+defineExpose<CountDownExpose>({
+  start,
+  pause,
+  reset: resetTime
+})
+</script>
+
+<style lang="scss" scoped>
+@import './index.scss';
+</style>