修改页面

components/cate-one/cate-one.vue

@@ -125,6 +125,10 @@
 								</view>
 							</view>
 						</view>
+
+						<view class="settle-btn">
+							<u-button @tap="goSettle" shape="circle" :hair-line="false" hover-class="none" :customStyle="{backgroundColor: themeColor, color: '#fff', border: 'none', padding: '36rpx'}">去结算</u-button>
+						</view>
 					</scroll-view>
 				</view>
 				<view class="u-text-center" style="height: 700rpx;line-height: 700rpx;" v-else>
@@ -171,6 +175,7 @@
 				page:1, 
 				status: loadingType.LOADING,
 				selectIndex: 0,
+				categoryId: 0,
 				cateList: [],
 				goodsList: [],
 				goods_spec: [],
@@ -251,6 +256,21 @@
 			
 			// 添加到购物车(默认商品数量+1,可以让后端连表查询商品数量字段)
 			async addCartFun(item) {
+				console.log("🚀 ~ addCartFun ~ item:", item)
+				
+				// 限购逻辑
+				if (item.first_category_id === 1 || item.first_category_id === 2) {
+					// 统计购物车中同类商品的总数量
+					const totalNum = this.cartLists
+						.filter(i => i.first_category_id === item.first_category_id)
+						.reduce((sum, i) => sum + (i.goods_num || 0), 0);
+
+					if (totalNum >= 2) {
+						this.$toast({ title: '该类商品每人限购2件' });
+						return;
+					}
+				}
+				
 				const {
 					code,
 					data,
@@ -285,6 +305,7 @@
 
 			// 获取购物车列表数据
 			getCartListFun() {
+				// 获取商品的分类ID
 				getCartList().then((res) => {
 					if (res.code == 1) {
 						
@@ -307,7 +328,7 @@
 						// // this.cartType = cartType;
 						this.totalPrice = total_amount
 						// // this.isShow = true;
-						// this.getCartNum();
+						this.getCartNum();
 					}
 				});
 			},
@@ -325,6 +346,8 @@
 
 			// 去结算
 			goSettle() {
+			console.log(this.cartLists)
+				this.showCart = false
 				const goods = this.cartLists.map(item => {
 					return {
 						item_id: item.item_id,
@@ -334,12 +357,12 @@
 			
 				uni.navigateTo({
 					url: "/pages/order_now/order_now?data=" +
-						encodeURIComponent(
-							JSON.stringify({
-								goods,
-								type: "cart",
-							})
-						),
+					encodeURIComponent(
+						JSON.stringify({
+							goods,
+							type: "cart",
+						})
+					),
 				});
 			},
 			
@@ -457,4 +480,7 @@
 		border-radius: 100%;
 	}
 
+	.settle-btn {
+		padding: 20rpx;
+	}
 </style>