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23 lines
673 B
23 lines
673 B
// store/modules/cartNum.js
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// 这是管理分类列表加入购物车数量的store
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import Vue from 'vue'
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export default {
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namespaced: true,
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state: {
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productCounts: {} // 格式：{ 商品ID： 数量 }
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},
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mutations: {
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// 增加商品数量
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incrementProduct(state, { productId, amount = 1 }) {
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const currentCount = state.productCounts[productId] || 0
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Vue.set(state.productCounts, productId, currentCount + amount)
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}
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},
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getters: {
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// 获取指定商品数量
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getProductCount: (state) => (productId) => {
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return state.productCounts[productId] || 0
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}
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}
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}
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