406 lines
11 KiB
Vue
406 lines
11 KiB
Vue
<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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<view class="header-left ss-m-r-30">
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<image class="sku-image" :src="state.selectedSku.picUrl || goodsInfo.picUrl" mode="aspectFill" />
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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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<view class="goods-title ss-line-2">{{ goodsInfo.name }}</view>
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<view class="header-right-bottom ss-flex ss-col-center ss-row-between">
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<view class="ss-flex">
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<view class="price-text">
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{{ fen2yuan( state.selectedSku.price || goodsInfo.price) }}
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</view>
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</view>
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<view class="stock-text ss-m-l-20">
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{{ formatStock('exact', state.selectedSku.stock || goodsInfo.stock) }}
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</view>
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</view>
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</view>
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</view>
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<!-- 属性选择 -->
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<view class="modal-content ss-flex-1">
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<scroll-view scroll-y="true" class="modal-content-scroll" @touchmove.stop>
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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 class="ss-reset-button spec-btn" v-for="value in property.values" :class="[
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{
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'ui-BG-Main-Gradient': 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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]" :key="value.id" :disabled="value.disabled === true" @tap="onSelectSku(property.id, value.id)">
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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 ss-m-b-40">
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<view class="label-text">购买数量</view>
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<su-number-box :min="1" :max="state.selectedSku.stock" :step="1"
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v-model="state.selectedSku.goods_num" @change="onNumberChange($event)" />
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</view>
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</scroll-view>
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</view>
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<!-- 操作区 -->
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<view class="modal-footer border-top">
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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 add-btn ui-Shadow-Main" @tap="onAddCart">加入购物车</button>
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<button class="ss-reset-button buy-btn ui-Shadow-Main" @tap="onBuy">立即购买</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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import { computed, reactive, watch } from 'vue';
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import sheep from '@/sheep';
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import { formatStock, convertProductPropertyList, fen2yuan } from '@/sheep/hooks/useGoods';
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const emits = defineEmits(['change', 'addCart', 'buy', 'close']);
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const props = defineProps({
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goodsInfo: {
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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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});
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const state = reactive({
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selectedSku: {}, // 选中的 SKU
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currentPropertyArray: [], // 当前选中的属性，实际是个 Map。key 是 property 编号，value 是 value 编号
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});
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const propertyList = convertProductPropertyList(props.goodsInfo.skus);
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// SKU 列表
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const skuList = computed(() => {
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let skuPrices = props.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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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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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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// 输入框改变数量
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function onNumberChange(e) {
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if (e === 0) return;
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if (state.selectedSku.goods_num === e) return;
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state.selectedSku.goods_num = e;
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}
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// 加入购物车
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function onAddCart() {
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if (state.selectedSku.id <= 0) {
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sheep.$helper.toast('请选择规格');
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return;
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}
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if (state.selectedSku.stock <= 0) {
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sheep.$helper.toast('库存不足');
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return;
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}
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emits('addCart', state.selectedSku);
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}
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// 立即购买
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function onBuy() {
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if (state.selectedSku.id <= 0) {
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sheep.$helper.toast('请选择规格');
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return;
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}
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if (state.selectedSku.stock <= 0) {
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sheep.$helper.toast('库存不足');
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return;
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}
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emits('buy', state.selectedSku);
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}
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// 改变禁用状态：计算每个 property 属性值的按钮，是否禁用
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function 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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// 当前所选属性下，获取所有有库存的 SKU 们
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function 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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function 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 (state.currentPropertyArray[propertyId] !== undefined && state.currentPropertyArray[propertyId] === valueId) {
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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].goods_num = state.selectedSku.goods_num || 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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// TODO 芋艿：待讨论的优化点：1）单规格，要不要默认选中；2）默认要不要选中第一个规格
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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 0;
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.add-btn {
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width: 356rpx;
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height: 80rpx;
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border-radius: 40rpx 0 0 40rpx;
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background-color: var(--ui-BG-Main-light);
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color: var(--ui-BG-Main);
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}
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.buy-btn {
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width: 356rpx;
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height: 80rpx;
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border-radius: 0 40rpx 40rpx 0;
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background: linear-gradient(90deg, var(--ui-BG-Main), var(--ui-BG-Main-gradient));
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color: #fff;
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}
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.score-btn {
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width: 100%;
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margin: 0 20rpx;
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height: 80rpx;
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border-radius: 40rpx;
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background: linear-gradient(90deg, var(--ui-BG-Main), var(--ui-BG-Main-gradient));
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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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.score-img {
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width: 36rpx;
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height: 36rpx;
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margin: 0 4rpx;
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}
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.score-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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}
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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: 30rpx;
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font-weight: 500;
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color: $red;
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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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.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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</style> |