436 lines
12 KiB
Vue
436 lines
12 KiB
Vue
<!-- 秒杀商品的 SKU 选择，和 s-select-sku.vue 类似 -->
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<template>
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<!-- 规格弹窗 -->
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<su-popup :show="show" round="10" @close="emits('close')">
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<!-- SKU 信息 -->
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<view class="ss-modal-box bg-white ss-flex-col">
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<view class="modal-header ss-flex ss-col-center">
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<!-- 规格图 -->
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<view class="header-left ss-m-r-30">
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<image
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class="sku-image"
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:src="sheep.$url.cdn(state.selectedSku.picUrl || state.goodsInfo.picUrl)"
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mode="aspectFill"
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>
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</image>
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</view>
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<view class="header-right ss-flex-col ss-row-between ss-flex-1">
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<!-- 名称 -->
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<view class="goods-title ss-line-2">{{ state.goodsInfo.name }}</view>
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<view class="header-right-bottom ss-flex ss-col-center ss-row-between">
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<!-- 价格 -->
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<view class="price-text">
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{{ fen2yuan(state.selectedSku.price || state.goodsInfo.price) }}
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</view>
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<!-- 秒杀价格标签 -->
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<view class="tig ss-flex ss-col-center">
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<view class="tig-icon ss-flex ss-col-center ss-row-center">
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<text class="cicon-alarm"></text>
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</view>
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<view class="tig-title">秒杀价</view>
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</view>
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<!-- 库存 -->
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<view class="stock-text ss-m-l-20">
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库存{{ state.selectedSku.stock || state.goodsInfo.stock }}件
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</view>
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</view>
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</view>
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</view>
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<view class="modal-content ss-flex-1">
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<scroll-view scroll-y="true" class="modal-content-scroll">
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<view class="sku-item ss-m-b-20" v-for="property in propertyList" :key="property.id">
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<view class="label-text ss-m-b-20">{{ property.name }}</view>
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<view class="ss-flex ss-col-center ss-flex-wrap">
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<button
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class="ss-reset-button spec-btn"
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v-for="value in property.values"
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:class="[
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{
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'checked-btn': state.currentPropertyArray[property.id] === value.id,
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},
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{
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'disabled-btn': value.disabled === true,
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},
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]"
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:key="value.id"
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:disabled="value.disabled === true"
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@tap="onSelectSku(property.id, value.id)"
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>
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{{ value.name }}
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</button>
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</view>
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</view>
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<view class="buy-num-box ss-flex ss-col-center ss-row-between">
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<view class="label-text">购买数量</view>
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<su-number-box
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:min="1"
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:max="min([singleLimitCount, state.selectedSku.stock])"
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:step="1"
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v-model="state.selectedSku.count"
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@change="onBuyCountChange($event)"
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activity="seckill"
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></su-number-box>
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</view>
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</scroll-view>
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</view>
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<view class="modal-footer">
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<view class="buy-box ss-flex ss-col-center ss-flex ss-col-center ss-row-center">
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<button class="ss-reset-button buy-btn" @tap="onBuy">确认</button>
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</view>
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</view>
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</view>
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</su-popup>
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</template>
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<script setup>
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/**
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* 秒杀活动SKU选择，
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* 与s-select-sku的区别：多一个秒杀价的标签、没有加入购物车按钮、立即购买按钮叫确认、秒杀有最大购买数量限制
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* 差别不大，可以考虑合并 todo @芋艿
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*/
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// 按钮状态： active,nostock
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import { computed, reactive, watch } from 'vue';
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import sheep from '@/sheep';
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import { convertProductPropertyList, fen2yuan } from '@/sheep/hooks/useGoods';
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import { min } from 'lodash';
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const emits = defineEmits(['change', 'addCart', 'buy', 'close']);
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const props = defineProps({
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modelValue: {
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type: Object,
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default() {},
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},
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show: {
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type: Boolean,
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default: false,
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},
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// 单次限购数量
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singleLimitCount: {
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type: Number,
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default: 1,
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},
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});
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const state = reactive({
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goodsInfo: computed(() => props.modelValue),
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selectedSku: {},
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currentPropertyArray: [],
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});
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const propertyList = convertProductPropertyList(state.goodsInfo.skus);
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// SKU 列表
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const skuList = computed(() => {
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let skuPrices = state.goodsInfo.skus;
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for (let price of skuPrices) {
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price.value_id_array = price.properties.map((item) => item.valueId);
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}
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return skuPrices;
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});
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if (!state.goodsInfo.is_sku) {
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state.selectedSku = state.goodsInfo.skus[0];
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}
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watch(
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() => state.selectedSku,
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(newVal) => {
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emits('change', newVal);
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},
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{
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immediate: true, // 立即执行
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deep: true, // 深度监听
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},
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);
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const onBuy = () => {
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if (state.selectedSku.id) {
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if (state.selectedSku.stock <= 0) {
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sheep.$helper.toast('库存不足');
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} else {
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emits('buy', state.selectedSku);
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}
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} else {
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sheep.$helper.toast('请选择规格');
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}
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};
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// 购买数量改变
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function onBuyCountChange(buyCount) {
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if (buyCount > 0 && state.selectedSku.count !== buyCount) {
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state.selectedSku.count = buyCount;
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}
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}
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// 改变禁用状态
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const changeDisabled = (isChecked = false, propertyId = 0, valueId = 0) => {
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let newSkus = []; // 所有可以选择的 sku 数组
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if (isChecked) {
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// 情况一：选中 property
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// 获得当前点击选中 property 的、所有可用 SKU
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for (let price of skuList.value) {
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if (price.stock <= 0) {
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continue;
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}
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if (price.value_id_array.indexOf(valueId) >= 0) {
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newSkus.push(price);
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}
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}
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} else {
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// 情况二：取消选中 property
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// 当前所选 property 下，所有可以选择的 SKU
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newSkus = getCanUseSkuList();
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}
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// 所有存在并且有库存未选择的 SKU 的 value 属性值 id
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let noChooseValueIds = [];
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for (let price of newSkus) {
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noChooseValueIds = noChooseValueIds.concat(price.value_id_array);
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}
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noChooseValueIds = Array.from(new Set(noChooseValueIds)); // 去重
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if (isChecked) {
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// 去除当前选中的 value 属性值 id
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let index = noChooseValueIds.indexOf(valueId);
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noChooseValueIds.splice(index, 1);
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} else {
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// 循环去除当前已选择的 value 属性值 id
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state.currentPropertyArray.forEach((currentPropertyId) => {
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if (currentPropertyId.toString() !== '') {
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return;
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}
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// currentPropertyId 为空是反选 填充的
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let index = noChooseValueIds.indexOf(currentPropertyId);
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if (index >= 0) {
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// currentPropertyId 存在于 noChooseValueIds
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noChooseValueIds.splice(index, 1);
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}
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});
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}
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// 当前已选择的 property 数组
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let choosePropertyIds = [];
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if (!isChecked) {
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// 当前已选择的 property
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state.currentPropertyArray.forEach((currentPropertyId, currentValueId) => {
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if (currentPropertyId !== '') {
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// currentPropertyId 为空是反选 填充的
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choosePropertyIds.push(currentValueId);
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}
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});
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} else {
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// 当前点击选择的 property
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choosePropertyIds = [propertyId];
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}
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for (let propertyIndex in propertyList) {
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// 当前点击的 property、或者取消选择时候，已选中的 property 不进行处理
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if (choosePropertyIds.indexOf(propertyList[propertyIndex]['id']) >= 0) {
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continue;
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}
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// 如果当前 property id 不存在于有库存的 SKU 中，则禁用
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for (let valueIndex in propertyList[propertyIndex]['values']) {
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propertyList[propertyIndex]['values'][valueIndex]['disabled'] =
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noChooseValueIds.indexOf(propertyList[propertyIndex]['values'][valueIndex]['id']) < 0; // true 禁用 or false 不禁用
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}
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}
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};
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// 获取可用的（有库存的）SKU 列表
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const getCanUseSkuList = () => {
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let newSkus = [];
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for (let sku of skuList.value) {
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if (sku.stock <= 0) {
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continue;
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}
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let isOk = true;
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state.currentPropertyArray.forEach((propertyId) => {
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// propertyId 不为空，并且，这个 条 sku 没有被选中，则排除
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if (propertyId.toString() !== '' && sku.value_id_array.indexOf(propertyId) < 0) {
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isOk = false;
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}
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});
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if (isOk) {
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newSkus.push(sku);
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}
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}
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return newSkus;
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};
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// 选择规格
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const onSelectSku = (propertyId, valueId) => {
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// 清空已选择
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let isChecked = true; // 选中 or 取消选中
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if (
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state.currentPropertyArray[propertyId] !== undefined &&
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state.currentPropertyArray[propertyId] === valueId
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) {
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// 点击已被选中的，删除并填充 ''
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isChecked = false;
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state.currentPropertyArray.splice(propertyId, 1, '');
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} else {
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// 选中
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state.currentPropertyArray[propertyId] = valueId;
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}
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// 选中的 property 大类
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let choosePropertyId = [];
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state.currentPropertyArray.forEach((currentPropertyId) => {
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if (currentPropertyId !== '') {
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// currentPropertyId 为空是反选 填充的
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choosePropertyId.push(currentPropertyId);
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}
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});
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// 当前所选 property 下，所有可以选择的 SKU 们
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let newSkuList = getCanUseSkuList();
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// 判断所有 property 大类是否选择完成
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if (choosePropertyId.length === propertyList.length && newSkuList.length) {
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newSkuList[0].count = state.selectedSku.count || 1;
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state.selectedSku = newSkuList[0];
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} else {
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state.selectedSku = {};
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}
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// 改变 property 禁用状态
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changeDisabled(isChecked, propertyId, valueId);
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};
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changeDisabled(false);
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</script>
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<style lang="scss" scoped>
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// 购买
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.buy-box {
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padding: 10rpx 20rpx;
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.buy-btn {
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width: 100%;
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height: 80rpx;
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border-radius: 40rpx;
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background: linear-gradient(90deg, #ff5854, #ff2621);
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color: #fff;
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}
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}
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.ss-modal-box {
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border-radius: 30rpx 30rpx 0 0;
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max-height: 1000rpx;
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.modal-header {
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position: relative;
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padding: 80rpx 20rpx 40rpx;
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.sku-image {
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width: 160rpx;
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height: 160rpx;
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border-radius: 10rpx;
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}
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.header-right {
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height: 160rpx;
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}
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.close-icon {
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position: absolute;
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top: 10rpx;
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right: 20rpx;
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font-size: 46rpx;
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opacity: 0.2;
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}
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.goods-title {
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font-size: 28rpx;
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font-weight: 500;
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line-height: 42rpx;
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}
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.price-text {
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font-size: 30rpx;
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font-weight: 500;
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color: $red;
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font-family: OPPOSANS;
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&::before {
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content: '￥';
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font-size: 24rpx;
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}
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}
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.stock-text {
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font-size: 26rpx;
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color: #999999;
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}
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}
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.modal-content {
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padding: 0 20rpx;
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.modal-content-scroll {
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max-height: 600rpx;
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.label-text {
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font-size: 26rpx;
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font-weight: 500;
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}
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.buy-num-box {
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height: 100rpx;
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}
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.spec-btn {
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height: 60rpx;
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min-width: 100rpx;
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padding: 0 30rpx;
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background: #f4f4f4;
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border-radius: 30rpx;
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color: #434343;
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font-size: 26rpx;
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margin-right: 10rpx;
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margin-bottom: 10rpx;
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}
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.checked-btn {
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background: linear-gradient(90deg, #ff5854, #ff2621);
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font-weight: 500;
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color: #ffffff;
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}
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.disabled-btn {
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font-weight: 400;
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color: #c6c6c6;
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background: #f8f8f8;
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}
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}
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}
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}
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.tig {
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border: 2rpx solid #ff5854;
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border-radius: 4rpx;
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width: 126rpx;
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height: 38rpx;
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.tig-icon {
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width: 40rpx;
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height: 40rpx;
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background: #ff5854;
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border-radius: 4rpx 0 0 4rpx;
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.cicon-alarm {
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font-size: 32rpx;
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color: #fff;
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}
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}
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.tig-title {
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font-size: 24rpx;
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font-weight: 500;
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line-height: normal;
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color: #ff6000;
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width: 86rpx;
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display: flex;
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justify-content: center;
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align-items: center;
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}
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}
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</style>
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