78 lines
1.7 KiB
Vue
78 lines
1.7 KiB
Vue
<template>
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<div class="countdown-container">
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<p class="countdown-text">
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问诊进行中，本次问诊剩余时间： {{ formattedTime }}
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</p>
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</div>
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</template>
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<script setup>
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import { ref, onMounted, onUnmounted, computed, watch } from "vue";
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const props = defineProps({
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expireTime: {
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type: Number,
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required: true,
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},
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});
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const emit = defineEmits(["countdown-finished"]);
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const timeLeft = ref(calculateTimeLeft());
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let intervalId = null;
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function calculateTimeLeft() {
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const now = Date.now();
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const timeDifference = props.expireTime - now;
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return timeDifference > 0 ? Math.floor(timeDifference / 1000) : 0;
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}
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const formattedTime = computed(() => {
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const hours = Math.floor(timeLeft.value / 3600);
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const minutes = Math.floor((timeLeft.value % 3600) / 60);
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const seconds = timeLeft.value % 60;
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return `${hours}时${minutes < 10 ? "0" : ""}${minutes}分${
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seconds < 10 ? "0" : ""
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}${seconds}秒`;
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});
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const updateCountdown = () => {
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if (timeLeft.value > 0) {
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timeLeft.value -= 1;
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} else {
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clearInterval(intervalId);
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emit("countdown-finished");
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}
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};
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onMounted(() => {
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intervalId = setInterval(updateCountdown, 1000);
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});
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onUnmounted(() => {
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clearInterval(intervalId);
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});
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watch(
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() => props.expireTime,
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(newExpireTime) => {
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timeLeft.value = calculateTimeLeft();
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clearInterval(intervalId);
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intervalId = setInterval(updateCountdown, 1000);
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}
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);
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</script>
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<style scoped>
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.countdown-container {
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display: flex;
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justify-content: center;
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align-items: center;
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background-color: #f0f0f0; /* 灰色背景 */
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padding: 10px;
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border-radius: 5px;
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}
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.countdown-text {
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color: #ff0000; /* 红色文字 */
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font-size: 16px;
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}
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</style> |