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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 	const propertyList = convertProductPropertyList(props.goodsInfo.skus);
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| 
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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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| 
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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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| 
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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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| 
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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.$helper.toast('库存不足');
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|       return;
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|     }
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| 
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|     emits('addCart', state.selectedSku);
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| 	}
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| 
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|   // 立即购买
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| 	function onBuy() {
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|     if (state.selectedSku.id <= 0) {
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|       sheep.$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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 		.modal-header {
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| 			position: relative;
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| 			padding: 80rpx 20rpx 40rpx;
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| 
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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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| 
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| 			.header-right {
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| 				height: 160rpx;
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| 			}
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 		.modal-content {
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| 			padding: 0 20rpx;
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| 
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| 			.modal-content-scroll {
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| 				max-height: 600rpx;
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| 
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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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| 
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| 				.buy-num-box {
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| 					height: 100rpx;
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| 				}
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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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| 
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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> |