162 lines
3.5 KiB
Vue
162 lines
3.5 KiB
Vue
<template>
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<view class="popup-mask" v-if="visible" @click="handleClose">
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<view class="popup-content" @click.stop>
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<text class="popup-title">{{ t('qrcode.title') }}</text>
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<view class="qrcode-area">
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<image v-if="qrcodeImage" class="qrcode-img" :src="qrcodeImage" mode="aspectFit" />
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<text v-if="loading" class="loading-text">{{ t('qrcode.refreshing') }}</text>
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</view>
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<view class="countdown-area" v-if="remainingTime > 0">
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<text class="countdown-text">有效期剩余 {{ formatTime(remainingTime) }}</text>
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</view>
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<view class="close-btn" @click="handleClose">
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<text class="close-text">{{ t('common.confirm') }}</text>
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</view>
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</view>
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</view>
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</template>
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<script setup>
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import { watch, ref } from 'vue'
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import { useI18n } from 'vue-i18n'
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import { generateQrcode } from '../api/vending.js'
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const { t } = useI18n()
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const props = defineProps({
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visible: { type: Boolean, default: false }
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})
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const emit = defineEmits(['close'])
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const qrcodeImage = ref('')
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const loading = ref(false)
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const remainingTime = ref(0)
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let countdownTimer = null
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// 格式化剩余时间
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function formatTime(seconds) {
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const min = Math.floor(seconds / 60)
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const sec = seconds % 60
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return `${min.toString().padStart(2, '0')}:${sec.toString().padStart(2, '0')}`
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}
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// 调用后端接口获取二维码图片
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async function fetchQrcode() {
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loading.value = true
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try {
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const res = await generateQrcode()
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qrcodeImage.value = res.data?.qrcodeImage || ''
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// 根据后端返回的过期时间计算倒计时
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const expiresAt = res.data?.expiresAt || 0
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if (expiresAt > 0) {
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const now = Math.floor(Date.now() / 1000)
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remainingTime.value = Math.max(0, expiresAt - now)
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} else {
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remainingTime.value = 300
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}
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startCountdown()
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} catch (e) {
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console.error('获取二维码失败:', e)
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} finally {
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loading.value = false
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}
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}
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// 启动倒计时
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function startCountdown() {
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stopCountdown()
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countdownTimer = setInterval(() => {
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remainingTime.value--
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if (remainingTime.value <= 0) {
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stopCountdown()
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// 自动刷新二维码
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fetchQrcode()
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}
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}, 1000)
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}
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function stopCountdown() {
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if (countdownTimer) {
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clearInterval(countdownTimer)
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countdownTimer = null
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}
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}
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// 监听弹窗显示
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watch(() => props.visible, (val) => {
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if (val) {
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fetchQrcode()
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} else {
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stopCountdown()
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qrcodeImage.value = ''
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}
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})
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function handleClose() {
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emit('close')
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}
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</script>
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<style scoped>
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.popup-mask {
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position: fixed;
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top: 0; left: 0; right: 0; bottom: 0;
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background-color: rgba(0, 0, 0, 0.5);
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display: flex;
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align-items: center;
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justify-content: center;
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z-index: 999;
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}
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.popup-content {
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width: 600rpx;
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background-color: #ffffff;
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border-radius: 24rpx;
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padding: 40rpx;
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display: flex;
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flex-direction: column;
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align-items: center;
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}
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.popup-title {
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font-size: 34rpx;
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font-weight: 600;
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color: #333;
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margin-bottom: 30rpx;
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}
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.qrcode-area {
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width: 400rpx;
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height: 400rpx;
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display: flex;
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align-items: center;
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justify-content: center;
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margin-bottom: 20rpx;
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}
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.qrcode-img {
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width: 400rpx;
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height: 400rpx;
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}
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.loading-text {
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font-size: 28rpx;
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color: #999;
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}
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.countdown-area {
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margin-bottom: 30rpx;
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}
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.countdown-text {
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font-size: 26rpx;
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color: #ff6600;
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}
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.close-btn {
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width: 100%;
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height: 80rpx;
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background-color: #007aff;
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border-radius: 40rpx;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.close-text {
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font-size: 28rpx;
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color: #ffffff;
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}
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</style>
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