412 lines
10 KiB
Vue
412 lines
10 KiB
Vue
<template>
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<view class="choice-grid-container">
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<view v-if="loading" class="loading-state">加载中...</view>
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<view v-else-if="!choices || choices.length === 0" class="empty-state">暂无可选位置</view>
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<view v-else class="grid-wrapper">
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<view class="choices-grid">
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<view
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v-for="(item, index) in choices"
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:key="item.id || index"
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class="choice-item"
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:class="{
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'is-sold': item.status === 'sold' || item.is_sold,
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'is-selected': isSelected(item),
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'is-available': !item.status || item.status === 'available'
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}"
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@tap="handleSelect(item)"
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>
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<text class="choice-number">{{ item.number || item.position || index + 1 }}</text>
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<view class="choice-status">
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<text v-if="item.status === 'sold' || item.is_sold">已售</text>
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<text v-else-if="isSelected(item)">已选</text>
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<text v-else>可选</text>
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</view>
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</view>
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</view>
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<view class="action-bar">
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<view class="selection-info" v-if="selectedItems.length > 0">
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已选 <text class="highlight">{{ selectedItems.length }}</text> 个位置
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</view>
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<view class="selection-info" v-else>
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请选择位置
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</view>
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<view class="action-buttons">
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<button v-if="selectedItems.length === 0" class="btn-random" @tap="handleRandomOne">随机一发</button>
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<button v-else class="btn-buy" @tap="handleBuy">去支付</button>
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</view>
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</view>
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</view>
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<!-- 支付弹窗 -->
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<PaymentPopup
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v-model:visible="paymentVisible"
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:amount="totalAmount"
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:coupons="coupons"
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:showCards="false"
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@confirm="onPaymentConfirm"
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/>
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</view>
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</template>
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<script setup>
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import { ref, computed, onMounted, watch } from 'vue'
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import { getIssueChoices, getUserCoupons, joinLottery, createWechatOrder, getLotteryResult } from '@/api/appUser'
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import PaymentPopup from '@/components/PaymentPopup.vue'
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const props = defineProps({
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activityId: { type: [String, Number], required: true },
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issueId: { type: [String, Number], required: true },
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pricePerDraw: { type: Number, default: 0 } // 单抽价格，用于计算总价
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})
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const emit = defineEmits(['payment-success'])
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const choices = ref([])
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const loading = ref(false)
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const selectedItems = ref([])
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const paymentVisible = ref(false)
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// 模拟优惠券和道具卡数据，实际项目中可能需要从接口获取
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const coupons = ref([])
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const totalAmount = computed(() => {
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return (selectedItems.value.length * props.pricePerDraw).toFixed(2)
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})
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watch(() => props.issueId, (newVal) => {
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if (newVal) {
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loadChoices()
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selectedItems.value = []
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}
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})
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onMounted(() => {
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if (props.issueId) {
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loadChoices()
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}
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})
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async function loadChoices() {
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loading.value = true
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try {
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const res = await getIssueChoices(props.activityId, props.issueId)
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// 处理 { total_slots: 1, available: [1], claimed: [] } 这种格式
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if (res && typeof res.total_slots === 'number' && Array.isArray(res.available)) {
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const total = res.total_slots
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const list = []
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// 转换为 Set 提高查找效率，确保类型一致
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const availableSet = new Set(res.available.map(v => Number(v)))
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for (let i = 1; i <= total; i++) {
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const isAvailable = availableSet.has(i)
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list.push({
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id: i,
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number: i,
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position: i,
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status: isAvailable ? 'available' : 'sold',
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is_sold: !isAvailable
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})
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}
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choices.value = list
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}
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// 兼容旧的/其他的返回结构
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else if (Array.isArray(res)) {
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choices.value = res
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} else if (res && Array.isArray(res.data)) {
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choices.value = res.data
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} else if (res && Array.isArray(res.choices)) {
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choices.value = res.choices
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} else {
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choices.value = []
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}
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} catch (error) {
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console.error('Failed to load choices:', error)
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uni.showToast({ title: '加载位置失败', icon: 'none' })
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} finally {
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loading.value = false
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}
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}
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function isSelected(item) {
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return selectedItems.value.some(i => i.id === item.id || (i.position && i.position === item.position))
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}
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function handleSelect(item) {
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if (item.status === 'sold' || item.is_sold) {
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return
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}
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const index = selectedItems.value.findIndex(i => i.id === item.id || (i.position && i.position === item.position))
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if (index > -1) {
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selectedItems.value.splice(index, 1)
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} else {
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selectedItems.value.push(item)
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}
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}
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function handleBuy() {
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if (selectedItems.value.length === 0) return
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paymentVisible.value = true
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fetchCoupons()
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}
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function handleRandomOne() {
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const available = choices.value.filter(item =>
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!item.is_sold && item.status !== 'sold' && !isSelected(item)
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)
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if (available.length === 0) {
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uni.showToast({ title: '没有可选位置了', icon: 'none' })
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return
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}
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const randomIndex = Math.floor(Math.random() * available.length)
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const randomItem = available[randomIndex]
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// 选中该位置
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selectedItems.value.push(randomItem)
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// 立即弹出支付
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paymentVisible.value = true
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fetchCoupons()
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}
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async function fetchCoupons() {
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const user_id = uni.getStorageSync('user_id')
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if (!user_id) return
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try {
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const res = await getUserCoupons(user_id, 0, 1, 100)
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let list = []
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if (Array.isArray(res)) list = res
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else if (res && Array.isArray(res.list)) list = res.list
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else if (res && Array.isArray(res.data)) list = res.data
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coupons.value = list.map((i, idx) => {
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const cents = (i.remaining !== undefined && i.remaining !== null) ? Number(i.remaining) : Number(i.amount ?? i.value ?? 0)
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const yuan = isNaN(cents) ? 0 : (cents / 100)
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return {
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id: i.id ?? i.coupon_id ?? String(idx),
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name: i.name ?? i.title ?? '优惠券',
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amount: Number(yuan).toFixed(2)
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}
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})
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} catch (e) {
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console.error('fetchCoupons error', e)
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coupons.value = []
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}
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}
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async function onPaymentConfirm(paymentData) {
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paymentVisible.value = false
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const selectedSlots = selectedItems.value.map(item => item.id || item.position)
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if (selectedSlots.length === 0) {
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uni.showToast({ title: '未选择位置', icon: 'none' })
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return
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}
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const openid = uni.getStorageSync('openid')
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if (!openid) {
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uni.showToast({ title: '未获取到OpenID，请重新登录', icon: 'none' })
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return
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}
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uni.showLoading({ title: '处理中...' })
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try {
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// 1. 先调用抽奖接口 (joinLottery)，服务器会返回订单号等信息
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const payload = {
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activity_id: Number(props.activityId),
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issue_id: Number(props.issueId),
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channel: 'miniapp',
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count: selectedSlots.length,
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coupon_id: paymentData.coupon ? Number(paymentData.coupon.id) : 0,
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slot_index: selectedSlots.map(Number)
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}
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const joinRes = await joinLottery(payload)
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// 假设 joinRes 包含 order_no，如果结构不同请调整
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const orderNo = joinRes.order_no || joinRes.data?.order_no || joinRes.result?.order_no
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if (!orderNo) {
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throw new Error('未获取到订单号')
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}
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// 2. 使用返回的订单号去发起支付
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const payRes = await createWechatOrder({
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openid: openid,
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order_no: orderNo
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})
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// 调起微信支付
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await new Promise((resolve, reject) => {
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uni.requestPayment({
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provider: 'wxpay',
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timeStamp: payRes.timeStamp || payRes.timestamp,
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nonceStr: payRes.nonceStr || payRes.noncestr,
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package: payRes.package,
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signType: payRes.signType || 'MD5',
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paySign: payRes.paySign,
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success: resolve,
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fail: reject
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})
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})
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uni.hideLoading()
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uni.showLoading({ title: '查询结果...' })
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// 3. 支付成功，查询抽奖结果
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const resultRes = await getLotteryResult(orderNo)
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console.log('Lottery Result:', resultRes) // 打印结果供查看
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uni.hideLoading()
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uni.showToast({ title: '支付成功', icon: 'success' })
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// 触发支付成功事件
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emit('payment-success', {
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result: resultRes,
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items: selectedItems.value
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})
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// 清空选择并刷新
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selectedItems.value = []
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loadChoices()
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} catch (e) {
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uni.hideLoading()
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console.error('Flow failed:', e)
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if (e.errMsg && e.errMsg.indexOf('cancel') !== -1) {
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uni.showToast({ title: '支付已取消', icon: 'none' })
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} else {
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uni.showToast({ title: e.message || '操作失败', icon: 'none' })
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}
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}
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}
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</script>
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<style scoped>
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.choice-grid-container {
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padding: 20rpx;
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}
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.loading-state, .empty-state {
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text-align: center;
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padding: 40rpx;
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color: #999;
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}
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.choices-grid {
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display: grid;
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grid-template-columns: repeat(5, 1fr); /* 一行5个 */
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gap: 16rpx;
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margin-bottom: 120rpx; /* 留出底部操作栏空间 */
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}
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.choice-item {
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aspect-ratio: 1;
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background: #fff;
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border: 2rpx solid #e0e0e0;
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border-radius: 8rpx;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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position: relative;
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overflow: hidden;
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}
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.choice-number {
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font-size: 32rpx;
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font-weight: bold;
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color: #333;
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}
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.choice-status {
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font-size: 20rpx;
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margin-top: 4rpx;
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color: #666;
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}
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/* 状态样式 */
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.is-available {
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background: #fff;
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}
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.is-sold {
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background: #f5f5f5;
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border-color: #eee;
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opacity: 0.6;
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}
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.is-sold .choice-number {
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color: #ccc;
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text-decoration: line-through;
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}
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.is-selected {
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background: #e6f7ff;
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border-color: #1890ff;
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}
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.is-selected .choice-number {
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color: #1890ff;
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}
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.is-selected .choice-status {
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color: #1890ff;
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}
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/* 底部操作栏 */
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.action-bar {
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position: fixed;
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bottom: 0;
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left: 0;
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right: 0;
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background: #fff;
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padding: 20rpx 30rpx;
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box-shadow: 0 -2rpx 10rpx rgba(0,0,0,0.05);
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display: flex;
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justify-content: space-between;
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align-items: center;
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z-index: 100;
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padding-bottom: calc(20rpx + constant(safe-area-inset-bottom));
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padding-bottom: calc(20rpx + env(safe-area-inset-bottom));
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}
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.selection-info {
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font-size: 28rpx;
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color: #333;
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}
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.highlight {
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color: #ff4d4f;
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font-weight: bold;
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margin: 0 4rpx;
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}
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.btn-buy {
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background: #ff4d4f;
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color: #fff;
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border-radius: 40rpx;
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padding: 0 60rpx;
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height: 80rpx;
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line-height: 80rpx;
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font-size: 30rpx;
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margin: 0;
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}
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.btn-random {
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background: #007AFF;
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color: #fff;
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border-radius: 40rpx;
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padding: 0 60rpx;
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height: 80rpx;
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line-height: 80rpx;
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font-size: 30rpx;
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margin: 0;
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}
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</style>
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