feat(order): 增加订单确认页面数量步长控制功能

- 在订单确认页面实现商品购买数量的步长控制机制
- 添加了商品模型中的step字段支持，用于定义购买步长
- 实现了水票套票模板的step配置和最小购买数量逻辑
- 优化了订单参数解析逻辑，支持orderData模式下的商品规格信息传递
- 更新了API基础URL配置，切换到新的测试服务器地址
- 在下单接口中增加了skuId和specInfo参数传递支持
- 完善了数量变更时的价格计算和库存限制逻辑

config/env.ts

@@ -2,21 +2,21 @@
 export const ENV_CONFIG = {
   // 开发环境
   development: {
-    // API_BASE_URL: 'http://127.0.0.1:9200/api',
-    API_BASE_URL: 'https://glt-api.websoft.top/api',
+    API_BASE_URL: 'http://127.0.0.1:9200/api',
+    // API_BASE_URL: 'https://glt-api2.websoft.top/api',
     APP_NAME: '开发环境',
     DEBUG: 'true',
   },
   // 生产环境
   production: {
-    API_BASE_URL: 'https://glt-api.websoft.top/api',
+    API_BASE_URL: 'https://glt-api2.websoft.top/api',
     APP_NAME: '桂乐淘',
     DEBUG: 'false',
   },
   // 测试环境
   test: {
     // API_BASE_URL: 'http://127.0.0.1:9200/api',
-    API_BASE_URL: 'https://glt-api.websoft.top/api',
+    API_BASE_URL: 'https://glt-api2.websoft.top/api',
     APP_NAME: '测试环境',
     DEBUG: 'true',
   }

src/api/glt/gltTicketTemplate/model/index.ts

@@ -16,6 +16,8 @@ export interface GltTicketTemplate {
   unitName?: string;
   // 最小购买数量
   minBuyQty?: number;
+  // 购买步长（如：5 的倍数）
+  step?: number;
   // 起始发送数量
   startSendQty?: number;
   // 买赠：买1送4 => gift_multiplier=4

src/api/shop/shopGoods/model/index.ts

@@ -81,6 +81,8 @@ export interface ShopGoods {
   isNew?: number;
   // 库存
   stock?: number;
+  // 步长
+  step?: number;
   // 商品重量
   goodsWeight?: number;
   // 消费赚取积分

src/shop/orderConfirm/index.tsx

@@ -1,4 +1,4 @@
-import {useEffect, useState} from "react";
+import {useEffect, useMemo, useState} from "react";
 import {
   Image,
   Button,
@@ -82,17 +82,62 @@ const OrderConfirm = () => {
   const [selectedStore, setSelectedStore] = useState<ShopStore | null>(getSelectedStoreFromStorage())
 
   const router = Taro.getCurrentInstance().router;
-  const goodsId = router?.params?.goodsId;
+  const params = router?.params || ({} as Record<string, any>)
+  const goodsIdParam = params?.goodsId
+  const orderDataRaw = params?.orderData
+
+  type OrderDataParam = {
+    goodsId?: number | string
+    skuId?: number | string
+    quantity?: number | string
+    price?: number | string
+    specInfo?: string
+  }
+
+  const orderDataParam: OrderDataParam | null = useMemo(() => {
+    if (!orderDataRaw) return null
+    const rawText = String(orderDataRaw)
+    try {
+      return JSON.parse(decodeURIComponent(rawText)) as OrderDataParam
+    } catch (_e1) {
+      try {
+        return JSON.parse(rawText) as OrderDataParam
+      } catch (_e2) {
+        console.error('orderData 参数解析失败:', orderDataRaw)
+        return null
+      }
+    }
+  }, [orderDataRaw])
+
+  const resolvedGoodsId = (() => {
+    const id1 = Number(goodsIdParam)
+    if (Number.isFinite(id1) && id1 > 0) return id1
+    const id2 = Number(orderDataParam?.goodsId)
+    if (Number.isFinite(id2) && id2 > 0) return id2
+    return undefined
+  })()
+
+  const resolvedSkuId = (() => {
+    const n = Number(orderDataParam?.skuId)
+    return Number.isFinite(n) && n > 0 ? n : undefined
+  })()
+
+  const quantityFromParam = (() => {
+    const n = Number(orderDataParam?.quantity)
+    return Number.isFinite(n) && n > 0 ? Math.floor(n) : undefined
+  })()
 
   // 页面级兜底：未登录直接进入下单页时，引导去注册/登录并回跳
   useEffect(() => {
-    if (!goodsId) {
-      // 也可能是 orderData 模式；这里只做最小兜底
-      if (!ensureLoggedIn('/shop/orderConfirm/index')) return
-      return
-    }
-    if (!ensureLoggedIn(`/shop/orderConfirm/index?goodsId=${goodsId}`)) return
-  }, [goodsId])
+    // 兼容 goodsId / orderData 两种进入方式（goodsDetail 有规格时会走 orderData）
+    const backUrl =
+      orderDataRaw
+        ? `/shop/orderConfirm/index?orderData=${orderDataRaw}`
+        : resolvedGoodsId
+          ? `/shop/orderConfirm/index?goodsId=${resolvedGoodsId}`
+          : '/shop/orderConfirm/index'
+    if (!ensureLoggedIn(backUrl)) return
+  }, [resolvedGoodsId, orderDataRaw])
 
   const isTicketTemplateActive =
     !!ticketTemplate &&
@@ -142,7 +187,9 @@ const OrderConfirm = () => {
   // 计算商品总价
   const getGoodsTotal = () => {
     if (!goods) return 0
-    const price = parseFloat(goods.price || '0')
+    const rawPrice = String(orderDataParam?.price ?? goods.price ?? '0')
+    const priceNum = parseFloat(rawPrice)
+    const price = Number.isFinite(priceNum) ? priceNum : 0
     // const total = price * quantity
 
     // 🔍 详细日志，用于排查数值精度问题
@@ -183,12 +230,21 @@ const OrderConfirm = () => {
   const handleQuantityChange = (value: string | number) => {
     const fallback = isTicketTemplateActive ? minBuyQty : 1
     const newQuantity = typeof value === 'string' ? parseInt(value, 10) || fallback : value
-    const finalQuantity = Math.max(fallback, Math.min(newQuantity, goods?.stock || 999))
+    const step = goods?.step || 1
+    const stockMax = goods?.stock ?? 999
+    const maxMultiple = step > 1 ? Math.floor(stockMax / step) * step : stockMax
+    const maxAllowed = maxMultiple > 0 ? maxMultiple : stockMax
+    const effectiveMin = Math.min(fallback, maxAllowed)
+    const clamped = Math.max(effectiveMin, Math.min(Number(newQuantity) || fallback, maxAllowed))
+    const snapped = step > 1 ? Math.ceil(clamped / step) * step : clamped
+    const finalQuantity = Math.max(effectiveMin, Math.min(snapped, maxAllowed))
     setQuantity(finalQuantity)
 
     // 数量变化时，重新排序优惠券并检查当前选中的优惠券是否还可用
     if (availableCoupons.length > 0) {
-      const newTotal = parseFloat(goods?.price || '0') * finalQuantity
+      const priceNum = parseFloat(String(orderDataParam?.price ?? goods?.price ?? '0'))
+      const unitPrice = Number.isFinite(priceNum) ? priceNum : 0
+      const newTotal = unitPrice * finalQuantity
       const sortedCoupons = sortCoupons(availableCoupons, newTotal)
       const usableCoupons = filterUsableCoupons(sortedCoupons, newTotal)
       setAvailableCoupons(sortedCoupons)
@@ -497,7 +553,9 @@ const OrderConfirm = () => {
                   comments: goods.name,
                   deliveryType: 0,
                   buyerRemarks: orderRemark,
-                  couponId: parseInt(String(bestCoupon.id), 10)
+                  couponId: parseInt(String(bestCoupon.id), 10),
+                  skuId: resolvedSkuId,
+                  specInfo: orderDataParam?.specInfo
                 }
               );
 
@@ -548,7 +606,9 @@ const OrderConfirm = () => {
           deliveryType: 0,
           buyerRemarks: orderRemark,
           // 🔧 确保 couponId 是正确的数字类型，且不传递 undefined
-          couponId: selectedCoupon ? parseInt(String(selectedCoupon.id), 10) : undefined
+          couponId: selectedCoupon ? parseInt(String(selectedCoupon.id), 10) : undefined,
+          skuId: resolvedSkuId,
+          specInfo: orderDataParam?.specInfo
         }
       );
 
@@ -684,8 +744,8 @@ const OrderConfirm = () => {
 
       // 分别加载数据，避免类型推断问题
       let goodsRes: ShopGoods | null = null
-      if (goodsId) {
-        goodsRes = await getShopGoods(Number(goodsId))
+      if (resolvedGoodsId) {
+        goodsRes = await getShopGoods(resolvedGoodsId)
       }
 
       const [addressRes, paymentRes] = await Promise.all([
@@ -696,9 +756,9 @@ const OrderConfirm = () => {
       // 设置商品信息
       // 查询当前商品是否存在水票套票活动（失败/无数据时不影响正常下单）
       let tpl: GltTicketTemplate | null = null
-      if (goodsId) {
+      if (resolvedGoodsId) {
         try {
-          tpl = await getGltTicketTemplateByGoodsId(Number(goodsId))
+          tpl = await getGltTicketTemplateByGoodsId(resolvedGoodsId)
         } catch (e) {
           tpl = null
         }
@@ -714,18 +774,41 @@ const OrderConfirm = () => {
         const n = Number(tpl?.minBuyQty)
         return Number.isFinite(n) && n > 0 ? Math.floor(n) : 1
       })()
+      const tplStep = (() => {
+        const n = Number(tpl?.step)
+        return Number.isFinite(n) && n > 0 ? Math.floor(n) : undefined
+      })()
 
       // 设置商品信息（若存在套票模板，则默认 canBuyNumber 使用模板最小购买量）
       if (goodsRes) {
         const patchedGoods: ShopGoods = { ...goodsRes }
+        // 兜底：确保 step 为合法正整数；若存在套票模板则优先使用模板 step
+        const goodsStepNum = Number((patchedGoods as any)?.step)
+        const goodsStep = Number.isFinite(goodsStepNum) && goodsStepNum > 0 ? Math.floor(goodsStepNum) : 1
+        patchedGoods.step = tplActive && tplStep ? tplStep : goodsStep
+
+        // 规格商品（orderData 模式）下单时，用 sku 价格覆盖展示与计算金额
+        if (orderDataParam?.price !== undefined && orderDataParam?.price !== null && orderDataParam?.price !== '') {
+          patchedGoods.price = String(orderDataParam.price)
+        }
+
         if (tplActive && ((patchedGoods.canBuyNumber ?? 0) === 0)) {
           patchedGoods.canBuyNumber = tplMinBuyQty
         }
         setGoods(patchedGoods)
 
-        // 设置默认购买数量：优先使用 canBuyNumber，否则使用 1
-        const initQty = (patchedGoods.canBuyNumber ?? 0) > 0 ? (patchedGoods.canBuyNumber as number) : 1
-        setQuantity(initQty)
+        // 设置默认购买数量：优先使用 canBuyNumber，其次使用路由参数 quantity，否则使用 1
+        const fixedQty = (patchedGoods.canBuyNumber ?? 0) > 0 ? Number(patchedGoods.canBuyNumber) : undefined
+        const rawQty = fixedQty ?? quantityFromParam ?? 1
+        const minQty = tplActive ? tplMinBuyQty : 1
+        const step = patchedGoods.step || 1
+        const stockMax = patchedGoods.stock ?? 999
+        const maxMultiple = step > 1 ? Math.floor(stockMax / step) * step : stockMax
+        const maxAllowed = maxMultiple > 0 ? maxMultiple : stockMax
+        const effectiveMin = Math.min(minQty, maxAllowed)
+        const clamped = Math.max(effectiveMin, Math.min(Math.floor(rawQty), maxAllowed))
+        const stepped = step > 1 ? Math.ceil(clamped / step) * step : clamped
+        setQuantity(Math.min(maxAllowed, Math.max(effectiveMin, stepped)))
       }
 
       setTicketTemplate(tpl)
@@ -750,9 +833,20 @@ const OrderConfirm = () => {
           const n = Number(goodsRes?.canBuyNumber)
           if (Number.isFinite(n) && n > 0) return Math.floor(n)
           if (tplActive) return tplMinBuyQty
-          return 1
+          return quantityFromParam || 1
         })()
-        const total = parseFloat(goodsRes.price || '0') * initQty
+        const stepForInit = tplActive && tplStep ? tplStep : (() => {
+          const n = Number((goodsRes as any)?.step)
+          return Number.isFinite(n) && n > 0 ? Math.floor(n) : 1
+        })()
+        const stockMax = goodsRes.stock ?? 999
+        const maxMultiple = stepForInit > 1 ? Math.floor(stockMax / stepForInit) * stepForInit : stockMax
+        const maxAllowed = maxMultiple > 0 ? maxMultiple : stockMax
+        const initQtySnapped = stepForInit > 1 ? Math.ceil(initQty / stepForInit) * stepForInit : initQty
+        const effectiveMin = Math.min(tplActive ? tplMinBuyQty : 1, maxAllowed)
+        const safeInitQty = Math.max(effectiveMin, Math.min(initQtySnapped, maxAllowed))
+        const unitPrice = parseFloat(String(orderDataParam?.price ?? goodsRes.price ?? '0'))
+        const total = unitPrice * safeInitQty
         await loadUserCoupons(total)
       }
     } catch (err) {
@@ -773,7 +867,7 @@ const OrderConfirm = () => {
   useEffect(() => {
     if (!isLoggedIn()) return
     loadAllData()
-  }, [goodsId]);
+  }, [resolvedGoodsId, orderDataRaw]);
 
   // 重新加载数据
   const handleRetry = () => {
@@ -863,14 +957,14 @@ const OrderConfirm = () => {
               <Text className={'font-medium w-full'}>{goods.name}</Text>
               {/*<Text className={'number text-gray-400 text-sm py-2'}>80g/袋</Text>*/}
               <View className={'flex justify-between items-center'}>
-                <Text className={'text-red-500'}>￥{goods.price}</Text>
+                <Text className={'text-red-500'}>￥{goods.price}*{goods.step}</Text>
                 <View className={'flex flex-col items-end gap-1'}>
 	                  <ConfigProvider theme={customTheme}>
 	                    <InputNumber
 	                      value={quantity}
 	                      min={isTicketTemplateActive ? minBuyQty : 1}
 	                      max={goods.stock || 999}
-	                      step={minBuyQty === 1 ? 1 : 10}
+	                      step={goods.step || 1}
 	                      readOnly
                         disabled={((goods.canBuyNumber ?? 0) !== 0) && !isTicketTemplateActive}
 	                      onChange={handleQuantityChange}