<!-- 翻页效果 倒计时组件 -->
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<template>
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<div :class="['vue-countdown-component', { theme2: theme !== 1 }, { ie: isIE }]">
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<template v-for="(item, index) in timeArray" :key="index">
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<div :class="['time-box']">
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<!-- 底层基础div -->
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<div class="base">
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{{ item }}
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<div class="base-b">{{ timeArrayT[index] }}</div>
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</div>
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<!-- 翻页动画div -->
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<div
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:class="['face', { anime: isAnimate[index] }]"
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@animationend="onAnimateEnd(index)"
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>
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{{ timeArrayT[index] }}
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</div>
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<div :class="['back', { anime: isAnimate[index] }]">{{ item }}</div>
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</div>
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<!-- 文字 -->
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<div
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class="time-unit"
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:key="`unit-${index}`"
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v-if="isTimeUnitShow(index)"
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>
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{{ setTimeUnit(index) }}
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</div>
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</template>
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</div>
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</template>
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<script setup lang="ts">
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import {ref, computed, watch, onMounted, onBeforeUnmount, Ref} from "vue";
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import {defineProps, defineEmits} from "vue";
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const emit = defineEmits(["timeUp"]);
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const props = defineProps({
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endDate: {type: [Date, Number, String], default: 0}, // 截止时间
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type: {type: Number, default: 4}, // 时间精度 4/3/2/1
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theme: {type: Number, default: 1},
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timeUnit: {type: Array, default: () => []},
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});
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const isIE = ref(false);
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const timeArray: Ref<string[]> = ref(
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props.theme === 2
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? new Array(props.type * 2).fill("0")
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: new Array(props.type).fill("00")
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);
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const timeArrayT: Ref<string[]> = ref(
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props.theme === 2
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? new Array(props.type * 2).fill("0")
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: new Array(props.type).fill("00")
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);
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const isAnimate: Ref<boolean[]> = ref(
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props.theme === 2
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? new Array(props.type * 2).fill(false)
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: new Array(props.type).fill(false)
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);
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const timer = ref<NodeJS.Timeout>();
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const endTime = computed(() => {
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if (props.endDate instanceof Date) {
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return props.endDate.getTime();
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}
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return Number(props.endDate) > 0 ? Number(props.endDate) : 0;
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});
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const step = computed(() => (props.theme === 1 ? 1 : 2));
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const arr = computed(() => {
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const length = timeArray.value.length;
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const temp = [
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length - 1,
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length - step.value - 1,
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length - step.value * 2 - 1,
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length - step.value * 3 - 1,
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];
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temp.length = props.type > 1 ? props.type : 1;
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return temp;
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});
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watch(timeArray, (newV, oldV) => {
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const diff: { value: string; index: number }[] = [];
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newV.forEach((value, index) => {
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if (value !== oldV[index]) {
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diff.push({value, index});
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isAnimate.value[index] = true;
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}
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});
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setTimeout(() => {
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diff.forEach((item) => {
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timeArrayT.value[item.index] = item.value;
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});
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}, 350);
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});
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watch(endTime, (newV) => {
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if (newV > 0) {
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start();
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}
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});
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onMounted(() => {
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if (
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(window as any).ActiveXObject ||
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"ActiveXObject" in window ||
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window.navigator.userAgent.indexOf("Edge") > -1
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) {
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isIE.value = true;
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}
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start(0);
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});
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onBeforeUnmount(() => {
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clearTimeout(timer.value);
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});
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/**
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* 开始倒计时
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* @param st 重复执行的间隔时间
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*/
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const start = (st = 1000) => {
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clearTimeout(timer.value);
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timer.value = setTimeout(() => {
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let t = endTime.value - new Date().getTime(); // 剩余的毫秒数
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t = t < 0 ? 0 : t;
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let day = 0; // 剩余的天
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let hour = 0; // 剩余的小时
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let min = 0; // 剩余的分钟
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let second = 0; // 剩余的秒
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const type = Number(props.type);
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if (type >= 4) {
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day = Math.floor(t / 86400000); // 剩余的天
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hour = Math.floor(t / 3600000 - day * 24); // 剩余的小时 已排除天
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min = Math.floor(t / 60000 - day * 1440 - hour * 60); // 剩余的分钟 已排除天和小时
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second = Math.floor(t / 1000 - day * 86400 - hour * 3600 - min * 60); // 剩余的秒
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} else if (type >= 3) {
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hour = Math.floor(t / 3600000); // 剩余的小时
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min = Math.floor(t / 60000 - hour * 60); // 剩余的分钟 已排小时
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second = Math.floor(t / 1000 - hour * 3600 - min * 60); // 剩余的秒
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} else if (type >= 2) {
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min = Math.floor(t / 60000); // 剩余的分钟
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second = Math.floor(t / 1000 - min * 60); // 剩余的秒
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} else {
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second = Math.floor(t / 1000); // 剩余的秒
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}
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let ar = [];
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if (Number(props.theme) === 1) {
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// 不分开
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type >= 4 && ar.push(String(day).padStart(2, "0"));
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type >= 3 && ar.push(String(hour).padStart(2, "0"));
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type >= 2 && ar.push(String(min).padStart(2, "0"));
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ar.push(String(second).padStart(2, "0"));
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} else {
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// 分开
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type >= 4 && ar.push(...String(day).padStart(2, "0").split(""));
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type >= 3 && ar.push(...String(hour).padStart(2, "0").split(""));
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type >= 2 && ar.push(...String(min).padStart(2, "0").split(""));
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ar.push(...String(second).padStart(2, "0").split(""));
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}
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timeArray.value = ar;
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if (t > 0) {
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start();
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} else {
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emit("timeUp");
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}
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}, st);
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};
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// 动画完毕后，去掉对应的class, 为下次动画做准备
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const onAnimateEnd = (index: number) => {
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isAnimate.value[index] = false;
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};
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const isTimeUnitShow = (index: number) => {
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if (arr.value.includes(index)) {
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if (index === timeArray.value.length - 1 && !props.timeUnit[3]) {
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return false;
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}
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return true;
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}
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return false;
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};
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const setTimeUnit = (index: number) => {
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switch (index) {
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case timeArray.value.length - 1:
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return props.timeUnit[3] || ""; // 秒
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case timeArray.value.length - step.value - 1:
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return props.timeUnit[2] || ""; // 分
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case timeArray.value.length - step.value * 2 - 1:
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return props.timeUnit[1] || ""; // 时
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default:
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return props.timeUnit[0] || ""; // 天
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}
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};
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// return {
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// isIE,
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// timeArray,
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// timeArrayT,
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// isAnimate,
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// endTime,
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// step,
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// arr,
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// onAnimateEnd,
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// isTimeUnitShow,
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// setTimeUnit,
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// };
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</script>
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<style lang="less">
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.vue-countdown-component {
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display: flex;
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@keyframes animate-flip-face {
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0% {
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transform: rotateX(-0.01deg);
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opacity: 1; // 改变opacity 为了QQ浏览器和safari(不支持z-index animate)
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}
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50% {
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opacity: 1;
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}
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51% {
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opacity: 0;
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}
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100% {
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transform: rotateX(-180deg);
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opacity: 0;
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}
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}
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@keyframes animate-flip-back {
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0% {
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transform: rotateX(180deg);
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}
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100% {
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transform: rotateX(-0.01deg);
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}
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}
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&.ie {
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// 为了ie和老版edge（不支持clip-path）
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.base {
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.base-b {
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clip: rect(15px, auto, auto, auto);
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}
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}
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.face {
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clip: rect(auto, auto, 15px, auto);
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}
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.back {
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clip: rect(15px, auto, auto, auto);
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}
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}
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&.theme2 {
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.time-box {
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min-width: 20px;
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& + .time-box {
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margin-left: 1px;
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}
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}
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}
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.time-unit {
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padding: 0 4px;
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color: #ffffff;
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font-size: 14px;
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line-height: 30px;
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white-space: nowrap;
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}
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.time-box {
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position: relative;
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box-sizing: border-box;
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height: 30px;
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min-width: 28px;
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font-size: 14px;
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text-align: center;
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background-color: #eac77f;
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perspective: 60px;
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border-radius: 3px;
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padding: 0 2px;
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color: #fff;
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line-height: 30px;
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&:before {
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content: "";
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position: absolute;
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background: #e4ca97;
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width: 1px;
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height: 6px;
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top: 50%;
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left: -1px;
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margin-top: -3px;
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z-index: -1;
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}
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&:after {
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content: "";
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position: absolute;
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background: #e5cea0;
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width: 1px;
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height: 6px;
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top: 50%;
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right: -1px;
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margin-top: -3px;
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z-index: -1;
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}
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& + .time-box {
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margin-left: 8px;
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}
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& > div {
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overflow: hidden;
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animation-timing-function: linear;
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animation-duration: 400ms;
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// 为了chrome，需要一个小的角度，否则字体渲染错位
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transform: rotateX(-0.01deg);
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border-radius: 3px;
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&.base {
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position: relative;
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.base-b {
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position: absolute;
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left: 0;
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bottom: 0;
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border-radius: 0 0 3px 3px;
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width: 100%;
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height: 100%;
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background-color: #e7b248; // a1比base浅一点点，为了模拟翻页的阴影效果
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// background-color: #0ff;
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clip-path: polygon(0 50%, 100% 50%, 100% 100%, 0 100%);
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}
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}
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&.face {
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position: absolute;
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left: 0;
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top: 0;
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width: 100%;
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height: 100%;
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background-color: #eac77f;
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// background-color: #f00;
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backface-visibility: visible;
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clip-path: polygon(0 0, 100% 0, 100% 50%, 0 50%);
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z-index: 2;
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&.anime {
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animation-name: animate-flip-face;
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}
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}
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&.back {
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position: absolute;
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left: 0;
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top: 0;
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width: 100%;
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height: 100%;
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background-color: #e4d1ab; // b0和a1一致
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// background-color: #aa0;
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transform: rotateX(-180deg);
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backface-visibility: visible;
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clip-path: polygon(0 50%, 100% 50%, 100% 100%, 0 100%);
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&.anime {
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animation-name: animate-flip-back;
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}
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}
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}
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}
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}
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</style>
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