book-hi/pages-sell/components/select-good-popup/index.vue

<template>
	<u-popup v-model="visible" mode="bottom" border-radius="24" :safe-area-inset-bottom="true" :mask-close-able="true"
		@close="close">
		<view class="popup-content">
			<!-- Header -->
			<view class="header">
				<text class="title">选择商品品相</text>
				<image src="/pages-sell/static/select-good/icon-close.png" class="close-icon" @click="close"></image>
			</view>

			<!-- Product Info -->
			<view class="product-info">
				<image :src="currentProduct.cover" class="book-cover" mode="aspectFill"></image>
				<view class="info-right">
					<view class="price-row">
						<text class="currency">¥</text>
						<text class="price">{{ displayUnitPrice }}</text>
						<view class="drop-tag">
							<text>↓可降至 ¥{{ displayMinPrice }}</text>
						</view>
					</view>
					<view class="tag-row">
						<view class="quality-tag">
							<text>品相{{ currentQualityName }}</text>
						</view>
					</view>
				</view>
			</view>

			<!-- Tips -->
			<view class="tips-row">
				<text>不同品相有什么区别</text>
				<image src="/pages-sell/static/select-good/icon-tips.png" class="tips-icon"></image>
			</view>

			<!-- Promo Note -->
			<view class="promo-note">
				<text>下单时用书购余额支付可享余额价 ( 售价 8 折优惠 )</text>
			</view>

			<!-- Options -->
			<view class="options-list">
				<view class="option-item" v-for="(opt, index) in qualityOptions" :key="index"
					:class="{ active: currentQuality === opt.conditionType }" @click="selectQuality(opt)">
					<image v-if="currentQuality === opt.conditionType" src="/pages-sell/static/select-good/selected.png"
						class="bg-image"></image>
					<view class="left">
						<text class="opt-name">{{ qualityNames[index - 1] || '未知' }}</text>
						<view class="opt-discount" :class="{ active: currentQuality === opt.conditionType }">
							<text>{{ opt.discount }}折</text>
						</view>
					</view>
					<view class="right">
						<text>¥{{ opt.price }} ( 余额价 ¥{{ opt.balanceMoney }} )</text>
					</view>
				</view>
			</view>

			<!-- Quantity -->
			<view class="quantity-row">
				<text class="label">数量</text>
				<u-number-box v-model="quantity" :min="1" :max="99"></u-number-box>
			</view>

			<!-- Footer Buttons -->
			<view class="footer-btns">
				<view class="btn btn-orange">
					<text class="price">¥0.3</text>
					<text class="desc">分享一人可降 0.5 元</text>
				</view>
				<view class="btn btn-green" @click="handleAction">
					<text v-if="hasStock" class="price">¥{{ displayTotalPrice }}</text>
					<text class="desc" :class="{ 'notice': !hasStock }">{{ hasStock ? '加入购物车' : '到货通知' }}</text>
				</view>
			</view>
		</view>
	</u-popup>
</template>

<script>
	export default {
		name: 'SelectGoodPopup',
		data() {
			return {
				visible: false,
				quantity: 1,
				currentQuality: 1,
				currentProduct: {},
				qualityOptions: [],
				//1-良好 2-中等 3-次品 4-全新
				qualityNames: ['良好', '中等', '次品', '全新'],
			};
		},
		computed: {
			currentQualityName() {
				const opt = this.qualityNames[this.currentQuality - 1];
				return opt || '未知';
			},
			selectedOption() {
				return this.qualityOptions.find(o => o.conditionType === this.currentQuality) || {};
			},
			displayUnitPrice() {
				return this.formatPrice(this.selectedOption.price);
			},
			displayMinPrice() {
				return this.formatPrice(this.selectedOption.balanceMoney);
			},
			displayTotalPrice() {
				const total = this.toNumber(this.selectedOption.price) * this.quantity;
				return this.formatPrice(total);
			},
			hasStock() {
				const stock = this.selectedOption.stockNum;
				if (stock === 0) return false;
				if (stock === undefined || stock === null || stock === '') return true;
				return this.toNumber(stock) > 0;
			}
		},
		methods: {
			open(product) {
				this.visible = true;
				this.quantity = 1;
				if (product.isbn) {
					this.getGoodQualityInfo(product.isbn);
				}
			},
			//根据 isbn 获取商品品相信息
			getGoodQualityInfo(isbn) {
				uni.$u.http.get('/token/shop/bookDetail', { isbn }).then(res => {
					console.log(res);
					if (res.code === 200) {
						this.currentProduct = res.data || {};
						this.qualityOptions = res.data.skuList || [];
						if (this.qualityOptions.length > 0) {
							this.currentQuality = this.qualityOptions[0].conditionType
						}
					}
				});
			},

			close() {
				this.visible = false;
			},
			selectQuality(opt) {
				this.currentQuality = opt.conditionType;
			},
			handleAction() {
				if (!this.hasStock) {
					this.handleNotify();
					return;
				}
				this.handleConfirm();
			},
			handleNotify() {
				//设置到货通知
				uni.$u.http.post('/token/shop/user/noticeArrival', {
					isbn: this.currentProduct.isbn,
				}).then(res => {
					if (res.code === 200) {
						this.$u.toast('到货通知设置成功');
					}
				}).finally(() => {
					this.close();
				});
			},
			handleConfirm() {
				if (!this.currentProduct.isbn) {
					this.$u.toast('商品信息缺失');
					return;
				}

				const selectedOption = this.selectedOption;
				const conditionType = selectedOption.conditionType || this.currentQuality;

				if (!conditionType) {
					this.$u.toast('请选择品相');
					return;
				}

				this.$u.api.addShopCartAjax({
					isbn: this.currentProduct.isbn,
					quantity: this.quantity,
					conditionType: conditionType
				}).then(res => {
					if (res.code === 200) {
						this.$u.toast('加入购物车成功');
						this.$emit('confirm', {
							product: this.currentProduct,
							quality: this.currentQuality,
							quantity: this.quantity
						});
						this.close();
					} else {
                        this.$u.toast(res.msg || '加入购物车失败');
                    }
				});
			},
			toNumber(value) {
				const num = Number(value);
				return Number.isFinite(num) ? num : 0;
			},
			formatPrice(value) {
				const num = this.toNumber(value);
				return num.toFixed(2);
			}
		}
	};
</script>

<style lang="scss" scoped>
	.popup-content {
		padding: 30rpx 30rpx 20rpx;
		background-color: #fff;
		position: relative;
	}

	.header {
		display: flex;
		justify-content: center;
		align-items: center;
		position: relative;
		margin-bottom: 30rpx;
		padding-bottom: 30rpx;
		border-bottom: 2rpx dashed #eee;

		.title {
			font-size: 34rpx;
			font-weight: bold;
			color: #333;
		}

		.close-icon {
			position: absolute;
			right: 0;
			top: 0;
			width: 24rpx;
			height: 24rpx;
			padding: 10rpx;
			box-sizing: content-box;
		}
	}

	.product-info {
		display: flex;
		margin-bottom: 30rpx;

		.book-cover {
			width: 140rpx;
			height: 180rpx;
			border-radius: 8rpx;
			margin-right: 24rpx;
			background-color: #f5f5f5;
		}

		.info-right {
			flex: 1;
			display: flex;
			flex-direction: column;
			justify-content: space-between;
			padding: 10rpx 0;

			.price-row {
				display: flex;
				align-items: center;

				.currency {
					font-size: 36rpx;
					color: #D81A00;
					font-weight: bold;
				}

				.price {
					font-size: 40rpx;
					color: #D81A00;
					font-weight: bold;
					margin-right: 20rpx;
					line-height: 1;
				}

				.drop-tag {
					background: #E8F9EA;
					padding: 4rpx 12rpx;
					border-radius: 4rpx;

					text {
						color: #38C248;
						font-size: 24rpx;
						font-weight: 500;
					}
				}
			}

			.tag-row {
				.quality-tag {
					display: inline-block;
					background: linear-gradient(0deg, #FFAB26 0%, #FFD426 100%);
					border-radius: 21rpx 0px 21rpx 0px;
					padding: 2rpx 24rpx;
					margin-bottom: 24rpx;

					text {
						color: #fff;
						font-size: 24rpx;
						font-weight: 500;
					}
				}
			}
		}
	}

	.tips-row {
		display: flex;
		align-items: center;
		margin-bottom: 16rpx;

		text {
			font-size: 26rpx;
			color: #8D8D8D;
			margin-right: 10rpx;
		}

		.tips-icon {
			width: 36rpx;
			height: 36rpx;
		}
	}

	.promo-note {
		margin-bottom: 40rpx;

		text {
			font-size: 26rpx;
			color: #8D8D8D;
		}
	}

	.options-list {
		margin-bottom: 40rpx;

		.option-item {
			position: relative;
			display: flex;
			justify-content: space-between;
			align-items: center;
			background: #F8F8F8;
			border-radius: 12rpx;
			padding: 24rpx 30rpx;
			margin-bottom: 24rpx;
			border: 2rpx solid #dfdfdf;
			transition: all 0.2s;

			&.active {
				border-color: transparent;
			}

			.bg-image {
				position: absolute;
				top: -6rpx;
				left: -1%;
				width: 102%;
				height: 110rpx;
				z-index: 0;
			}

			.left,
			.right {
				position: relative;
				z-index: 1;
			}

			.left {
				display: flex;
				align-items: center;

				.opt-name {
					font-size: 30rpx;
					font-weight: bold;
					color: #333;
					margin-right: 16rpx;
				}

				.opt-discount {
					background: #D8D8D8;
					padding: 0 20rpx;
					border-radius: 0 20rpx 0 20rpx;

					text {
						color: #fff;
						font-size: 24rpx;
						display: inline-block;
					}

					&.active {
						background: linear-gradient(0deg, #30E030 0%, #28C445 100%);
					}
				}
			}

			.right {
				text {
					font-size: 28rpx;
					color: #333;
				}
			}
		}
	}

	.quantity-row {
		display: flex;
		justify-content: space-between;
		align-items: center;
		margin-bottom: 50rpx;

		.label {
			font-size: 30rpx;
			font-weight: bold;
			color: #333;
		}
	}

	.footer-btns {
		display: flex;
		justify-content: space-between;
		padding-bottom: 10rpx;

		.btn {
			flex: 1;
			height: 100rpx;
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			font-family: Source Han Sans SC;
			font-weight: 500;

			.price {
				font-size: 38rpx;
				color: #fff;
				line-height: 1.2;
			}

			.desc {
				font-size: 24rpx;
				color: #fff;
			}

			.notice {
				font-size: 32rpx;
				color: #fff;
			}

			&.btn-orange {
				background: linear-gradient(0deg, #EFA941 0%, #FFB84F 100%);
				width: 340rpx;
				border-radius: 50rpx 0 0 50rpx;
			}

			&.btn-green {
				width: 340rpx;
				background: linear-gradient(0deg, #38C248 0%, #5FEA6F 100%);
				border-radius: 0 50rpx 50rpx 0;
			}
		}
	}
</style>