商品如果没有特殊规格则直接可用+和-来调整数量

yshop-drink-uniapp-vue3/pages.json

@@ -207,7 +207,7 @@
   },
   "tabBar": {
   		"color": "#919293",
-  		"selectedColor": "#09b4f1",
+		"selectedColor": "#ff7417",
   		"backgroundColor": "#fff",
   		"borderStyle": "black",
   		"list": [{

yshop-drink-uniapp-vue3/pages/menu/menu.vue

@@ -92,6 +92,7 @@
 												<view class="price_and_action">
 												<text class="price">￥{{ good.price }}</text>
 												<view class="btn-group" v-if="good.stock > 0">
+														<template v-if="hasSpecialSpecs(good)">
 														<button type="primary" class="btn property_btn"
 															hover-class="none" size="mini"
 															@tap="showGoodDetailModal(item, good)">
@@ -99,6 +100,12 @@
 														</button>
 														<view class="dot" v-show="goodCartNum(good.id)">
 															{{ goodCartNum(good.id) }}</view>
+														</template>
+														<template v-else>
+															<button v-if="goodCartNum(good.id)" type="default" plain class="btn quantity-btn" size="mini" hover-class="none" @tap.stop="adjustSimpleGood(item, good, -1)"><text class="iconfont iconsami-select"></text></button>
+															<text v-if="goodCartNum(good.id)" class="number">{{ goodCartNum(good.id) }}</text>
+															<button type="primary" class="btn quantity-btn" size="mini" hover-class="none" @tap.stop="adjustSimpleGood(item, good, 1)"><text class="iconfont iconadd-select"></text></button>
+														</template>
 													</view>
 											
 
@@ -313,6 +320,8 @@ const spread = computed(() => { //差多少元起送
 })
 const isGoodVisible = (good) => !keyword.value || [good.storeName, good.storeInfo]
 	.filter(Boolean).join(' ').toLowerCase().includes(keyword.value.trim().toLowerCase())
+const hasSpecialSpecs = (good) => (good.productAttr || []).some(attr => (attr.attrValueArr || []).length > 1)
+const defaultSpec = (good) => (good.productAttr || []).map(attr => attr.attrValueArr?.[0]).filter(Boolean).join(',')
 
 // 监听自定义事件
 uni.$on('refreshMenu', () => {
@@ -545,13 +554,8 @@ const calcSize = () => {
 	sizeCalcState.value = true
 }
 const handleAddToCart = (cate, newGood, num) =>{ //添加到购物车
-	const index = cart.value.findIndex(item => {
+	const valueStr = newGood.valueStr || ''
-		if (newGood) {
+	const index = cart.value.findIndex(item => item.id === newGood.id && item.valueStr === valueStr)
-			return (item.id === newGood.id) && (item.valueStr === good.value.valueStr)
-		} else {
-			return item.id === newGood.id
-		}
-	})
 	if (index > -1) {
 		cart.value[index].number += num
 	} else {
@@ -562,20 +566,25 @@ const handleAddToCart = (cate, newGood, num) =>{ //添加到购物车
 			price: newGood.price,
 			number: num,
 			image: newGood.image,
-			valueStr: good.value.valueStr
+			valueStr
 		})
 	}
 	uni.setStorageSync('cart', JSON.parse(JSON.stringify(cart.value)))
 }
-const handleReduceFromCart = (item, good) => {
+const adjustSimpleGood = (cate, newGood, num) => {
-	const index = cart.value.findIndex(item => item.id === good.id)
+	const valueStr = defaultSpec(newGood)
-	cart.value[index].number -= 1
+	const index = cart.value.findIndex(item => item.id === newGood.id && item.valueStr === valueStr)
-	if (cart.value[index].number <= 0) {
+	if (num > 0) {
-		cart.value.splice(index, 1)
+		handleAddToCart(cate, { ...newGood, valueStr }, num)
+		return
 	}
+	if (index < 0) return
+	cart.value[index].number += num
+	if (cart.value[index].number <= 0) cart.value.splice(index, 1)
 	uni.setStorageSync('cart', JSON.parse(JSON.stringify(cart.value)))
 }
 const showGoodDetailModal = (item, newGood) => {
+	if (!hasSpecialSpecs(newGood)) return adjustSimpleGood(item, newGood, 1)
 	isCartShow.value = true
 	good.value = JSON.parse(JSON.stringify({
 		...newGood,
@@ -1075,6 +1084,12 @@ page {
 																border-radius: 24rpx;
 															}
 
+															&.quantity-btn {
+																width: var(--menu-control-size-sm);
+																padding: 0;
+																border-radius: 50%;
+															}
+
 											&.add_btn,
 											&.reduce_btn {
 												width: var(--menu-control-size-sm);
@@ -1099,6 +1114,12 @@ page {
 										}
 
 														@include quantity-control(var(--menu-control-size-sm));
+
+														.number {
+															min-width: 38rpx;
+															padding: 0 8rpx;
+															font-size: $font-size-sm;
+														}
 									}
 								}
 							}

yshop-drink-uniapp-vue3/uni.scss

@@ -14,7 +14,7 @@
 
 /* 颜色变量 */
 /* 行为相关颜色 */
-$color-primary: #09b4f1;
+$color-primary: #ff7417;
 $color-success: #4cd964;
 $color-warning: #FAB714;
 $color-error: #D12E32;
@@ -28,9 +28,9 @@ $text-color-white: #ffffff; //白
 $text-color-light-muted: #A9A5A0; //浅灰
 
 /* 背景颜色 */
-$bg-color: #F1F8FA;
+$bg-color: #fff8f1;
-$bg-color-grey: #F5F5F5;
+$bg-color-grey: #fffaf6;
-$bg-color-primary: #dbe7ea;
+$bg-color-primary: #fff0df;
 
 /* 边框颜色 */
 $border-color: #e6e6e6;
@@ -87,10 +87,10 @@ $uv-border-color: #dadbde;
 $uv-bg-color: #f3f4f6;
 $uv-disabled-color: #c8c9cc;
 
-$uv-primary: #EE6D46;
+$uv-primary: #ff7417;
-$uv-primary-dark: #EE6D46;
+$uv-primary-dark: #e9600b;
-$uv-primary-disabled: #FDEDE8;
+$uv-primary-disabled: #ffe1c8;
-$uv-primary-light: #ecf5ff;
+$uv-primary-light: #fff1e5;
 
 $uv-warning: #f9ae3d;
 $uv-warning-dark: #f1a532;