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import { useEffect, useMemo, useState } from 'react';
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import { useNavigate, useSearchParams } from 'react-router-dom';
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import SubPageHeader from '../components/SubPageHeader';
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import AppImage from '@dukang/shared-ui/AppImage';
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import { request } from '../lib/api';
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import { buildProductDetailUrl } from '../lib/navigation';
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import { STITCH_ORDER_PRODUCT_IMAGE } from '../lib/order-images';
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import { getProductMainImage } from '../lib/product-images';
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type Address = {
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id: string;
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receiverName: string;
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phone: string;
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province: string;
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city: string;
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district: string;
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detail: string;
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isDefault?: number;
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};
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type PreviewProduct = {
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id: string;
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name: string;
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spec: string;
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subtitle?: string;
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price: number;
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};
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type OrderPreview = {
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product: PreviewProduct;
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quantity: number;
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deliveryType: 'LOCAL' | 'CROSS_CITY';
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productAmount: number;
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freightPayType: 'COD' | null;
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payAmount: number;
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benefitAmount: number;
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city?: { localMinQty: number; crossMinQty: number };
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};
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function maskPhone(phone: string) {
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return phone.replace(/(\d{3})\d{4}(\d{4})/, '$1****$2');
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}
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function formatAddress(a: Address) {
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return `${a.province}${a.city}${a.district}${a.detail}`;
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}
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export default function OrderConfirmPage() {
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const [params] = useSearchParams();
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const navigate = useNavigate();
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const productId = params.get('productId') || '';
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const forceCross = params.get('cross') === '1';
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const [quantity, setQuantity] = useState(Number(params.get('qty') || 2));
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const [addresses, setAddresses] = useState<Address[]>([]);
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const [addressId, setAddressId] = useState(params.get('addressId') || '');
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const [preview, setPreview] = useState<OrderPreview | null>(null);
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const [loading, setLoading] = useState(false);
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const [msg, setMsg] = useState('');
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useEffect(() => {
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request<Address[]>('USER_H5', '/user/addresses').then((list) => {
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setAddresses(list);
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const fromUrl = params.get('addressId');
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if (fromUrl && list.some((a) => String(a.id) === fromUrl)) {
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setAddressId(fromUrl);
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return;
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}
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const def = list.find((a) => a.isDefault === 1) || list[0];
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if (def) setAddressId(String(def.id));
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});
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}, [params]);
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useEffect(() => {
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if (!productId || !addressId) return;
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request<OrderPreview>('USER_H5', '/trade/orders/preview', {
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method: 'POST',
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body: JSON.stringify({ productId, quantity, addressId }),
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})
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.then(setPreview)
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.catch((e) => setMsg(e instanceof Error ? e.message : String(e)));
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}, [productId, quantity, addressId]);
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function updateQuantity(next: number) {
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const delivery = forceCross || preview?.deliveryType === 'CROSS_CITY' ? 'CROSS_CITY' : 'LOCAL';
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const localMin = preview?.city?.localMinQty ?? 2;
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const crossMin = preview?.city?.crossMinQty ?? 6;
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const min = delivery === 'LOCAL' ? localMin : crossMin;
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if (next < min) {
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setMsg(
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delivery === 'LOCAL'
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? `同城配送至少购买 ${min} 瓶`
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: `跨城配送至少购买 ${min} 瓶（1箱）`,
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);
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return;
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}
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setMsg('');
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setQuantity(next);
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const qs = new URLSearchParams(params);
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qs.set('qty', String(next));
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navigate({ search: qs.toString() }, { replace: true });
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}
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const selectedAddress = useMemo(
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() => addresses.find((a) => String(a.id) === addressId),
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[addresses, addressId],
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);
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const isCross = forceCross || preview?.deliveryType === 'CROSS_CITY';
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const minQty = isCross ? (preview?.city?.crossMinQty ?? 6) : (preview?.city?.localMinQty ?? 2);
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const productIndex = productId ? Math.max(0, Number(productId) - 1) : 0;
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const productImage =
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productIndex === 0 ? STITCH_ORDER_PRODUCT_IMAGE : getProductMainImage(productIndex);
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async function submit() {
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if (!addressId) {
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setMsg('请选择收货地址');
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return;
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}
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setLoading(true);
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setMsg('');
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try {
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const order = await request<{ id: string }>('USER_H5', '/trade/orders', {
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method: 'POST',
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body: JSON.stringify({ productId, quantity, addressId }),
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});
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const qs = new URLSearchParams();
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qs.set('orderId', order.id);
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qs.set('productId', productId);
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qs.set('qty', String(quantity));
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qs.set('addressId', addressId);
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if (forceCross) qs.set('cross', '1');
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navigate(`/pay?${qs.toString()}`);
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} catch (e) {
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setMsg(e instanceof Error ? e.message : '下单失败');
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} finally {
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setLoading(false);
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}
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}
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return (
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<div className="order-confirm-page">
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<SubPageHeader
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title="确认订单"
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onBack={() => navigate(buildProductDetailUrl(productId))}
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/>
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<main className="order-confirm-main sub-page-body">
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<button
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type="button"
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className="order-confirm-card order-confirm-address"
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onClick={() => {
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const qs = new URLSearchParams();
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if (productId) qs.set('productId', productId);
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qs.set('qty', String(quantity));
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if (forceCross) qs.set('cross', '1');
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if (addressId) qs.set('addressId', addressId);
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qs.set('select', '1');
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navigate(`/addresses?${qs.toString()}`);
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}}
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>
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<span className="material-symbols-outlined order-confirm-pin fill-icon">location_on</span>
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{selectedAddress ? (
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<div className="order-confirm-address-body">
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<div className="order-confirm-address-row">
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<span className="order-confirm-address-name">{selectedAddress.receiverName}</span>
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<span className="order-confirm-address-phone">{maskPhone(selectedAddress.phone)}</span>
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</div>
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<p className="order-confirm-address-detail">{formatAddress(selectedAddress)}</p>
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</div>
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) : (
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<span className="order-confirm-address-placeholder">请选择收货地址</span>
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)}
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<span className="material-symbols-outlined order-confirm-chevron">chevron_right</span>
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</button>
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{isCross && (
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<div className="order-confirm-card order-confirm-warning">
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<span className="material-symbols-outlined order-confirm-warning-icon">warning</span>
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<p className="order-confirm-warning-text">
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提示：该地址超出同城配送范围，将由总部通过物流快递发货。物流费用需由您承担（到付），请确认是否继续。
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</p>
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</div>
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)}
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{preview && (
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<>
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<section className="order-confirm-card order-confirm-product">
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<div className="order-confirm-product-thumb">
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<AppImage
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src={productImage}
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alt={preview.product.name}
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wrapperClassName="app-image--fill"
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/>
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</div>
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<div className="order-confirm-product-info">
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<div>
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<h3 className="order-confirm-product-name">{preview.product.name}</h3>
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<p className="order-confirm-product-spec">
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{preview.product.spec || preview.product.subtitle}
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</p>
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</div>
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<div className="order-confirm-product-meta">
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<span className="order-confirm-product-price">¥{preview.product.price}</span>
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<div className="order-confirm-qty-stepper">
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<button
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type="button"
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className="order-confirm-qty-btn"
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disabled={quantity <= minQty}
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aria-label="减少数量"
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onClick={() => updateQuantity(quantity - 1)}
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>
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<span className="material-symbols-outlined">remove</span>
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</button>
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<span className="order-confirm-qty-value">{quantity}</span>
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<button
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type="button"
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className="order-confirm-qty-btn order-confirm-qty-btn--plus"
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aria-label="增加数量"
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onClick={() => updateQuantity(quantity + 1)}
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>
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<span className="material-symbols-outlined">add</span>
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</button>
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</div>
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</div>
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</div>
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</section>
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<section className="order-confirm-card order-confirm-benefit coupon-notch">
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<div className="order-confirm-benefit-inner">
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<span className="order-confirm-benefit-badge">好客权益</span>
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<span className="order-confirm-benefit-text">
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本单可享好客权益 ¥{preview.benefitAmount}
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</span>
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</div>
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</section>
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<section className="order-confirm-card order-confirm-row-card">
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<span className="order-confirm-row-label">配送方式</span>
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<div className="order-confirm-delivery-value">
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<p className="order-confirm-row-value">
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{isCross ? '物流配送' : '小飞侠配送'}
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</p>
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{!isCross && (
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<p className="order-confirm-delivery-hint">预计24小时内送达</p>
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)}
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</div>
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</section>
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<section className="order-confirm-card order-confirm-summary">
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<div className="order-confirm-summary-line">
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<span>商品总额</span>
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<span>¥{preview.productAmount}</span>
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</div>
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<div className="order-confirm-summary-line">
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<span>运费</span>
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<span className={isCross ? 'order-confirm-freight-cod' : ''}>
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{isCross ? '到付' : '免运费'}
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</span>
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</div>
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<div className="order-confirm-summary-total">
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<span>合计</span>
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<span className="order-confirm-total-amount">¥{preview.payAmount}</span>
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</div>
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</section>
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</>
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)}
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{!preview && productId && addressId && (
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<div className="order-confirm-loading">加载订单信息...</div>
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)}
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{msg && <p className="order-confirm-msg">{msg}</p>}
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</main>
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<footer className="order-confirm-footer">
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<div className="order-confirm-footer-inner">
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<div className="order-confirm-pay-label">
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<span className="order-confirm-pay-prefix">实付:</span>
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<span className="order-confirm-pay-amount">
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¥{preview?.payAmount ?? '—'}
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</span>
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</div>
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<button
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type="button"
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className="order-confirm-pay-btn"
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disabled={loading || !preview}
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onClick={submit}
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>
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{loading ? '支付中...' : '微信支付'}
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</button>
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</div>
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</footer>
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</div>
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);
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}
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