<template>
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<div class="flex flex-wrap items-center gap-8px">
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<div v-for="(spu, index) in productSpus" :key="spu.id" class="select-box spu-pic">
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<el-tooltip :content="spu.name">
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<div class="relative h-full w-full">
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<el-image :src="spu.picUrl" class="h-full w-full" />
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<Icon
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v-show="!disabled"
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class="del-icon"
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icon="ep:circle-close-filled"
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@click="handleRemoveSpu(index)"
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/>
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</div>
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</el-tooltip>
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</div>
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<el-tooltip content="选择商品" v-if="canAdd">
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<div class="select-box" @click="openSpuTableSelect">
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<Icon icon="ep:plus" />
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</div>
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</el-tooltip>
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</div>
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<!-- 商品选择对话框（表格形式） -->
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<SpuTableSelect ref="spuTableSelectRef" :multiple="limit != 1" @change="handleSpuSelected" />
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</template>
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<script lang="ts" setup>
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import * as ProductSpuApi from '@/api/mall/product/spu'
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import SpuTableSelect from '@/views/mall/product/spu/components/SpuTableSelect.vue'
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import { propTypes } from '@/utils/propTypes'
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import { oneOfType } from 'vue-types'
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import { isArray } from '@/utils/is'
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// 商品橱窗，一般用于与商品建立关系时使用
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// 提供功能：展示商品列表、添加商品、移除商品
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defineOptions({ name: 'SpuShowcase' })
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const props = defineProps({
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modelValue: oneOfType<number | Array<number>>([Number, Array]).isRequired,
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// 限制数量：默认不限制
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limit: propTypes.number.def(Number.MAX_VALUE),
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disabled: propTypes.bool.def(false)
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})
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// 计算是否可以添加
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const canAdd = computed(() => {
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// 情况一：禁用时不可以添加
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if (props.disabled) return false
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// 情况二：未指定限制数量时，可以添加
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if (!props.limit) return true
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// 情况三：检查已添加数量是否小于限制数量
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return productSpus.value.length < props.limit
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})
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// 商品列表
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const productSpus = ref<ProductSpuApi.Spu[]>([])
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watch(
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() => props.modelValue,
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async () => {
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const ids = isArray(props.modelValue)
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? // 情况一：多选
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props.modelValue
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: // 情况二：单选
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props.modelValue
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? [props.modelValue]
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: []
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// 不需要返显
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if (ids.length === 0) {
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productSpus.value = []
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return
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}
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// 只有商品发生变化之后，才去查询商品
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if (productSpus.value.length === 0 || productSpus.value.some((spu) => !ids.includes(spu.id!))) {
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productSpus.value = await ProductSpuApi.getSpuDetailList(ids)
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}
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},
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{ immediate: true }
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)
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/** 商品表格选择对话框 */
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const spuTableSelectRef = ref()
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// 打开对话框
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const openSpuTableSelect = () => {
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spuTableSelectRef.value.open(productSpus.value)
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}
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/**
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* 选择商品后触发
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* @param spus 选中的商品列表
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*/
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const handleSpuSelected = (spus: ProductSpuApi.Spu | ProductSpuApi.Spu[]) => {
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productSpus.value = isArray(spus) ? spus : [spus]
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emitSpuChange()
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}
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/**
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* 删除商品
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* @param index 商品索引
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*/
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const handleRemoveSpu = (index: number) => {
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productSpus.value.splice(index, 1)
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emitSpuChange()
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}
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const emit = defineEmits(['update:modelValue', 'change'])
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const emitSpuChange = () => {
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if (props.limit === 1) {
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const spu = productSpus.value.length > 0 ? productSpus.value[0] : null
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emit('update:modelValue', spu?.id || 0)
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emit('change', spu)
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} else {
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emit(
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'update:modelValue',
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productSpus.value.map((spu) => spu.id)
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)
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emit('change', productSpus.value)
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}
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}
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</script>
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<style lang="scss" scoped>
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.select-box {
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display: flex;
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width: 60px;
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height: 60px;
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border: 1px dashed var(--el-border-color-darker);
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border-radius: 8px;
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align-items: center;
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justify-content: center;
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}
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.spu-pic {
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position: relative;
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}
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.del-icon {
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position: absolute;
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top: -10px;
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right: -10px;
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z-index: 1;
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width: 20px !important;
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height: 20px !important;
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}
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</style>
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