后端 + 前端：购物车详情

mobile-web/src/api/order.js

@@ -67,6 +67,26 @@ export function countCart() {
   });
 }
 
+export function listCart() {
+  return request({
+    url: '/order-api/users/cart/list',
+    method: 'get',
+    params: {
+    }
+  });
+}
+
+export function updateCartSelected(skuIds, selected) {
+  return request({
+    url: '/order-api/users/cart/update_selected',
+    method: 'post',
+    params: {
+      skuIds: skuIds.join(','),
+      selected,
+    }
+  });
+}
+
 // 物流信息
 
 export function getLogisticsInfo(params) {

mobile-web/src/components/common/productcard.vue

@@ -14,7 +14,7 @@
                 </template>
                 <template slot="tags">
                     <p class="price" v-if="product.price!=null && product.price !== ''">
-                        ￥<span>{{product.price}}</span>
+                        ￥<span>{{product.price / 100.00}}</span>
                         <!--  TODO 芋艿 暂时去掉 -->
 <!--                        <van-tag v-if="product.tags!=null" v-for="tag in product.tags" :key="tag" plain type="danger">-->
 <!--                            {{tag}}-->

mobile-web/src/page/cart/index.vue

@@ -3,17 +3,17 @@
     <headerNav title="购物车"/>
        <van-cell  value="编辑商品" class="head">
         <template slot="title">
-          <van-checkbox v-model="checkedAll" >全选</van-checkbox>
+          <van-checkbox v-model="checkedAll" @change="onSelectAll" >全选</van-checkbox>
         </template>
       </van-cell>
 
-    <van-checkbox-group class="card-goods" v-model="checkedGoods">
+    <van-checkbox-group class="card-goods" v-model="checkedItemIds" @change="onItemSelectedChange">
 
       <div class="promotion-group">
-        <div  v-for="(item,index) in goods" :key="index" class="card-goods__item">
+<!--        <div  v-for="(item,index) in goods" :key="index" class="card-goods__item">-->
-          <van-checkbox :name="item.id"></van-checkbox>
+<!--          <van-checkbox :name="item.id" />-->
 
-          <product-card :product='item' :iscard='false' >
+<!--          <product-card :product='item' :iscard='false' >-->
 <!--            <template slot>-->
 <!--              <van-cell value="修改" >-->
 <!--                  <template slot="title">-->
@@ -22,8 +22,17 @@
 <!--                  </template>-->
 <!--              </van-cell>-->
 <!--            </template>-->
-          </product-card>
+<!--          </product-card>-->
+<!--        </div>-->
+
+          <div v-for="(itemGroup, i) in itemGroups" class="card-goods__item">
+              <div class="card" v-for="(item, j) in itemGroup.items" :key="j">
+                  <van-checkbox :key="item.id" :name="item.id" v-model="item.selected" style="position: relative;" />
+                  <product-card :product='convertProduct(item)'/>
               </div>
+              <div style="height:15px;"></div>
+          </div>
+
       </div>
 
         <!--      <div class="promotion-group">-->
@@ -38,13 +47,13 @@
 
     <div style="height:50px;"></div>
     <van-submit-bar
-      :price="totalPrice"
+      :price="fee.presentTotal"
-      :disabled="!checkedGoods.length"
+      :disabled="!checkedItemIds || !checkedItemIds.length"
       :button-text="submitBarText"
       @submit="onSubmit"
     >
     <template slot>
-      <van-checkbox v-model="checkedAll" >全选</van-checkbox>
+      <van-checkbox v-model="checkedAll" @change="onSelectAll">全选</van-checkbox>
     </template>
     </van-submit-bar>
   </div>
@@ -52,63 +61,124 @@
 
 <script>
 
+import {listCart, updateCartSelected} from "../../api/order";
+
 export default {
   components: {
   },
   data() {
     return {
-      checkedAll:true,
+      itemGroups: [],
-      checkedGoods: ['1', '2', '3'],
+      fee: {
-      goods: [{
+        originalTotal: undefined,
-        id: '1',
+        discountTotal: undefined,
-        title: '星巴克(Starbucks)星冰乐 轻盈香草味 咖啡饮料 281ml*6瓶礼盒装低脂减糖',
+        postageTotal: undefined,
-        desc: '3.18kg/件',
+        presentTotal: undefined,
-        price: '200.00',
-        quantity: 1,
-        picUrls: ['https://img.yzcdn.cn/public_files/2017/10/24/2f9a36046449dafb8608e99990b3c205.jpeg'],
-        imageTag:'比加入时降5元',
-      }, {
-        id: '2',
-        title: '陕西蜜梨',
-        desc: '约600g',
-        price: '690.00',
-        quantity: 1,
-        picUrls: ['https://img.yzcdn.cn/public_files/2017/10/24/f6aabd6ac5521195e01e8e89ee9fc63f.jpeg'],
-          gift: [
-            {
-              title: "星巴克（Starbucks）星冰乐小熊吊饰星巴克（Starbucks）星冰乐小熊吊饰",
-              quantity: 2
       },
-            {
+      checkedItemIds: undefined, // 通过计算得出
-              title: "星巴克（Starbucks）星冰乐小熊吊饰星巴克（Starbucks）星冰乐小熊吊饰",
+      oldCheckedItemIds: undefined, // 因为 vue 是双向绑定，用于解决 change 的时候，拿不到老值
-              quantity: 1
+      checkedAll: undefined, // 通过计算得出
     }
-          ]
-      }, {
-        id: '3',
-        title: '美国伽力果',
-        desc: '约680g/3个',
-        price: '2680.00',
-        quantity: 1,
-        picUrls: ['https://img.yzcdn.cn/public_files/2017/10/24/320454216bbe9e25c7651e1fa51b31fd.jpeg']
-      }]
-    };
   },
   computed: {
     submitBarText() {
-      const count = this.checkedGoods.length;
+      const count = this.checkedItemIds ? this.checkedItemIds.length : 0;
       return '结算' + (count ? `(${count})` : '');
     },
-    totalPrice() {
-      return this.goods.reduce((total, item) => total + (this.checkedGoods.indexOf(item.id) !== -1 ? parseFloat(item.price): 0), 0);
-    },
   },
   methods: {
-    onSubmit() {
+    calCheckedItemIds() {
-
+      // debugger;
-      this.$router.push('/order')
+      let itemIds = [];
+      let checkedAll = true;
+      for (let i in this.itemGroups) {
+        let items = this.itemGroups[i].items;
+        for (let j in items) {
+          if (items[j].selected) {
+            itemIds.push(items[j].id);
+          } else {
+            checkedAll = false;
           }
         }
+      }
+      // 赋值给 checkedItemIds、oldCheckedItemIds、checkedAll
+      this.checkedItemIds = itemIds;
+      this.oldCheckedItemIds = itemIds;
+      this.checkedAll = checkedAll;
+    },
+    getItemIds() {
+      let itemIds = [];
+      for (let i in this.itemGroups) {
+        let items = this.itemGroups[i].items;
+        for (let j in items) {
+          itemIds.push(items[j].id);
+        }
+      }
+      return itemIds;
+    },
+    handleData(data) {
+      this.itemGroups = data.itemGroups;
+      this.fee = data.fee;
+      // 计算 checkedItemIds + checkedAll
+      this.calCheckedItemIds();
+    },
+    onItemSelectedChange(newVal) {
+      if (!this.checkedItemIds) {
+        return;
+      }
+      // debugger;
+      let selected;
+      let diffItemIds;
+      if (newVal.length > this.oldCheckedItemIds.length) { // 新增
+        selected = true;
+        let that = this;
+        diffItemIds = [...newVal].filter(function(val) {
+          return that.oldCheckedItemIds.indexOf(val) < 0; // 找不到
+        });
+      } else if (newVal.length < this.oldCheckedItemIds.length) { // 减少
+        selected = false;
+        diffItemIds = [...this.oldCheckedItemIds].filter(function(val) {
+          return newVal.indexOf(val) < 0; // 找不到
+        });
+      } else {
+        return;
+      }
+      updateCartSelected(diffItemIds, selected).then(data => {
+        this.handleData(data);
+      })
+      // debugger;
+    },
+    onSelectAll(newVal) {
+      if (this.checkedAll === undefined) {
+        return;
+      }
+      updateCartSelected(this.getItemIds(), newVal).then(data => {
+        this.handleData(data);
+      })
+    },
+    onSubmit() {
+      this.$router.push('/order')
+    },
+    convertProduct(item) {
+      // debugger;
+      return {
+        ...item.spu,
+        quantity: item.buyQuantity,
+        price: item.price,
+        sku: {
+          ...item,
+          spu: undefined,
+        },
+        selected: item.selected,
+      };
+    }
+  },
+  mounted() {
+    // 获得购物车列表
+    listCart().then(data => {
+      this.handleData(data);
+    });
+  }
 };
 </script>
 

order/order-application/src/main/java/cn/iocoder/mall/order/application/controller/users/UsersCartController.java

@@ -3,18 +3,20 @@ package cn.iocoder.mall.order.application.controller.users;
 import cn.iocoder.common.framework.vo.CommonResult;
 import cn.iocoder.mall.order.api.CartService;
 import cn.iocoder.mall.order.api.OrderService;
+import cn.iocoder.mall.order.api.bo.CalcOrderPriceBO;
 import cn.iocoder.mall.order.api.bo.CartItemBO;
+import cn.iocoder.mall.order.api.dto.CalcOrderPriceDTO;
+import cn.iocoder.mall.order.application.convert.CartConvert;
+import cn.iocoder.mall.order.application.vo.UsersCartDetailVO;
 import cn.iocoder.mall.order.application.vo.UsersOrderConfirmCreateVO;
 import cn.iocoder.mall.user.sdk.context.UserSecurityContextHolder;
 import com.alibaba.dubbo.config.annotation.Reference;
-import org.apache.ibatis.annotations.Param;
+import org.springframework.web.bind.annotation.*;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.Set;
 
 @RestController
 @RequestMapping("users/cart")
@@ -26,8 +28,8 @@ public class UsersCartController {
     private OrderService orderService;
 
     @PostMapping("add")
-    public CommonResult<Integer> add(@Param("skuId") Integer skuId,
+    public CommonResult<Integer> add(@RequestParam("skuId") Integer skuId,
-                                     @Param("quantity") Integer quantity) {
+                                     @RequestParam("quantity") Integer quantity) {
         // 添加到购物车
         CommonResult<Boolean> addResult = cartService.add(UserSecurityContextHolder.getContext().getUserId(),
                 skuId, quantity);
@@ -40,8 +42,8 @@ public class UsersCartController {
     }
 
     @PostMapping("update_quantity")
-    public CommonResult<Integer> updateQuantity(@Param("skuId") Integer skuId,
+    public CommonResult<UsersCartDetailVO> updateQuantity(@RequestParam("skuId") Integer skuId, // TODO 芋艿，先暂用这个 VO 。等促销活动出来后，做调整
-                                                @Param("quantity") Integer quantity) {
+                                                          @RequestParam("quantity") Integer quantity) {
         // 添加到购物车
         CommonResult<Boolean> updateQuantityResult = cartService.updateQuantity(UserSecurityContextHolder.getContext().getUserId(),
                 skuId, quantity);
@@ -49,24 +51,22 @@ public class UsersCartController {
         if (updateQuantityResult.isError()) {
             return CommonResult.error(updateQuantityResult);
         }
-        // 获得目前购物车商品总数量
+        // 获得目前购物车明细
-        // TODO 芋艿，需要改成价格计算
+        return getCartDetail();
-        return cartService.count(UserSecurityContextHolder.getContext().getUserId());
     }
 
     @PostMapping("update_selected")
-    public CommonResult<Integer> updateSelected(@Param("skuId") Integer skuId,
+    public CommonResult<UsersCartDetailVO> updateSelected(@RequestParam("skuIds") Set<Integer> skuIds, // TODO 芋艿，先暂用这个 VO 。等促销活动出来后，做调整
-                                                @Param("selected") Boolean selected) {
+                                                          @RequestParam("selected") Boolean selected) {
         // 添加到购物车
         CommonResult<Boolean> updateSelectedResult = cartService.updateSelected(UserSecurityContextHolder.getContext().getUserId(),
-                skuId, selected);
+                skuIds, selected);
         // 添加失败，则直接返回错误
         if (updateSelectedResult.isError()) {
             return CommonResult.error(updateSelectedResult);
         }
-        // 获得目前购物车商品总数量
+        // 获得目前购物车明细
-        // TODO 芋艿，需要改成价格计算
+        return getCartDetail();
-        return cartService.count(UserSecurityContextHolder.getContext().getUserId());
     }
 
     @GetMapping("count")
@@ -75,25 +75,33 @@ public class UsersCartController {
     }
 
     @GetMapping("/list")
-    public CommonResult<UsersOrderConfirmCreateVO> list() {
+    public CommonResult<UsersCartDetailVO> list() { // TODO 芋艿，先暂用这个 VO 。等促销活动出来后，做调整
-        // 获得购物车中所有的
+        return getCartDetail();
-        List<CartItemBO> cartItems = cartService.list(UserSecurityContextHolder.getContext().getUserId(), null);
+    }
+
+    private CommonResult<UsersCartDetailVO> getCartDetail() {
+        // 获得购物车中选中的
+        List<CartItemBO> cartItems = cartService.list(UserSecurityContextHolder.getContext().getUserId(), null).getData();
         // 购物车为空时，构造空的 UsersOrderConfirmCreateVO 返回
         if (cartItems.isEmpty()) {
-            UsersOrderConfirmCreateVO result = new UsersOrderConfirmCreateVO();
+            UsersCartDetailVO result = new UsersCartDetailVO();
             result.setItemGroups(Collections.emptyList());
-            result.setFee(new UsersOrderConfirmCreateVO.Fee(0, 0, 0, 0));
+            result.setFee(new UsersCartDetailVO.Fee(0, 0, 0, 0));
             return CommonResult.success(result);
         }
-        // 购物车非空时，获得具体结果
+        // 计算商品价格
-
+        CommonResult<CalcOrderPriceBO> calcOrderPriceResult = list0(cartItems);
-        return null;
+        if (calcOrderPriceResult.isError()) {
+            return CommonResult.error(calcOrderPriceResult);
+        }
+        // 执行数据拼装
+        return CommonResult.success(CartConvert.INSTANCE.convert2(calcOrderPriceResult.getData()));
     }
 
     @GetMapping("/confirm_create_order")
     public CommonResult<UsersOrderConfirmCreateVO> getConfirmCreateOrder() {
         // 获得购物车中选中的
-        List<CartItemBO> cartItems = cartService.list(UserSecurityContextHolder.getContext().getUserId(), true);
+        List<CartItemBO> cartItems = cartService.list(UserSecurityContextHolder.getContext().getUserId(), true).getData();
         // 购物车为空时，构造空的 UsersOrderConfirmCreateVO 返回
         if (cartItems.isEmpty()) {
             UsersOrderConfirmCreateVO result = new UsersOrderConfirmCreateVO();
@@ -101,9 +109,24 @@ public class UsersCartController {
             result.setFee(new UsersOrderConfirmCreateVO.Fee(0, 0, 0, 0));
             return CommonResult.success(result);
         }
-        // 购物车非空时，获得具体结果
+        // 计算商品价格
-//        return CommonResult.success(CartConvert.INSTANCE.convert(calcOrderPriceResult.getData()));
+        CommonResult<CalcOrderPriceBO> calcOrderPriceResult = list0(cartItems);
-        return null;
+        if (calcOrderPriceResult.isError()) {
+            return CommonResult.error(calcOrderPriceResult);
+        }
+        // 执行数据拼装
+        return CommonResult.success(CartConvert.INSTANCE.convert(calcOrderPriceResult.getData()));
+    }
+
+    private CommonResult<CalcOrderPriceBO> list0(List<CartItemBO> cartItems) {
+        // 创建计算的 DTO
+        CalcOrderPriceDTO calcOrderPriceDTO = new CalcOrderPriceDTO()
+                .setItems(new ArrayList<>(cartItems.size()));
+        for (CartItemBO item : cartItems) {
+            calcOrderPriceDTO.getItems().add(new CalcOrderPriceDTO.Item(item.getSkuId(), item.getQuantity(), item.getSelected()));
+        }
+        // 执行计算
+        return cartService.calcOrderPrice(calcOrderPriceDTO);
     }
 
     public CommonResult<Object> confirmOrder() {

order/order-application/src/main/java/cn/iocoder/mall/order/application/convert/CartConvert.java

@@ -1,6 +1,7 @@
 package cn.iocoder.mall.order.application.convert;
 
 import cn.iocoder.mall.order.api.bo.CalcOrderPriceBO;
+import cn.iocoder.mall.order.application.vo.UsersCartDetailVO;
 import cn.iocoder.mall.order.application.vo.UsersOrderConfirmCreateVO;
 import org.mapstruct.Mapper;
 import org.mapstruct.factory.Mappers;
@@ -12,4 +13,6 @@ public interface CartConvert {
 
     UsersOrderConfirmCreateVO convert(CalcOrderPriceBO calcOrderPriceBO);
 
+    UsersCartDetailVO convert2(CalcOrderPriceBO calcOrderPriceBO);
+
 }

order/order-application/src/main/java/cn/iocoder/mall/order/application/vo/FeeMessageVO.java

@@ -1,26 +0,0 @@
-package cn.iocoder.mall.order.application.vo;
-
-public class FeeMessageVO {
-
-    /**
-     * 总价
-     */
-    private Integer originalTotal;
-    /**
-     * 优惠总价
-     *
-     * 注意，满多少元包邮，不算在优惠中。
-     */
-    private Integer discountTotal;
-    /**
-     * 邮费
-     */
-    private Integer postageTotal;
-    /**
-     * 最终价格
-     *
-     * 计算公式 = 总价 - 优惠总价 + 邮费
-     */
-    private Integer presentTotal;
-
-}

order/order-application/src/main/java/cn/iocoder/mall/order/application/vo/UsersCartDetailVO.java

@@ -0,0 +1,167 @@
+package cn.iocoder.mall.order.application.vo;
+
+import cn.iocoder.mall.product.api.bo.ProductAttrAndValuePairBO;
+import io.swagger.annotations.ApiModel;
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+import java.util.List;
+
+@ApiModel(value = "购物车明细 VO")
+@Data
+@Accessors(chain = true)
+public class UsersCartDetailVO {
+
+    /**
+     * 商品分组数组
+     */
+    private List<ItemGroup> itemGroups;
+    /**
+     * 费用
+     */
+    private Fee fee;
+
+    /**
+     * 商品分组
+     *
+     * 多个商品，参加同一个活动，从而形成分组。
+     */
+    @Data
+    @Accessors(chain = true)
+    public static class ItemGroup {
+
+        // TODO 优惠活动
+        private Object activity;
+        /**
+         * 商品数组
+         */
+        private List<Sku> items;
+
+    }
+
+    @Data
+    @Accessors(chain = true)
+    public static class Sku {
+
+        // SKU 自带信息
+        /**
+         * sku 编号
+         */
+        private Integer id;
+        /**
+         * SPU 信息
+         */
+        private Spu spu;
+        /**
+         * 图片地址
+         */
+        private String picURL;
+        /**
+         * 规格值数组
+         */
+        private List<ProductAttrAndValuePairBO> attrs; // TODO 后面改下
+        /**
+         * 价格，单位：分
+         */
+        private Integer price;
+        /**
+         * 库存数量
+         */
+        private Integer quantity;
+
+        // 非 SKU 自带信息
+
+        /**
+         * 购买数量
+         */
+        private Integer buyQuantity;
+        /**
+         * 是否选中
+         */
+        private Boolean selected;
+
+    }
+
+    @Data
+    @Accessors(chain = true)
+    public static class Spu {
+
+        /**
+         * SPU 编号
+         */
+        private Integer id;
+
+        // ========== 基本信息 =========
+        /**
+         * SPU 名字
+         */
+        private String name;
+        /**
+         * 分类编号
+         */
+        private Integer cid;
+        /**
+         * 商品主图地址
+         *
+         * 数组，以逗号分隔
+         *
+         * 建议尺寸：800*800像素，你可以拖拽图片调整顺序，最多上传15张
+         */
+        private List<String> picUrls;
+
+    }
+
+    /**
+     * 费用（合计）
+     */
+    @Data
+    @Accessors(chain = true)
+    public static class Fee {
+
+        /**
+         * 总价
+         */
+        private Integer originalTotal;
+        /**
+         * 优惠总价
+         *
+         * 注意，满多少元包邮，不算在优惠中。
+         */
+        private Integer discountTotal;
+        /**
+         * 邮费
+         */
+        private Integer postageTotal;
+        /**
+         * 最终价格
+         *
+         * 计算公式 = 总价 - 优惠总价 + 邮费
+         */
+        private Integer presentTotal;
+
+        public Fee() {
+        }
+
+        public Fee(Integer originalTotal, Integer discountTotal, Integer postageTotal, Integer presentTotal) {
+            this.originalTotal = originalTotal;
+            this.discountTotal = discountTotal;
+            this.postageTotal = postageTotal;
+            this.presentTotal = presentTotal;
+        }
+    }
+
+    /**
+     * 邮费信息
+     */
+    @Data
+    @Accessors(chain = true)
+    public static class Postage {
+
+        /**
+         * 需要满足多少钱，可以包邮。单位：分
+         */
+        private Integer threshold;
+
+    }
+
+}

order/order-application/src/main/java/cn/iocoder/mall/order/application/vo/UsersCartItemVO.java

@@ -1,5 +0,0 @@
-package cn.iocoder.mall.order.application.vo;
-
-public class UsersCartItemVO {
-
-}

order/order-application/src/main/java/cn/iocoder/mall/order/application/vo/UsersCartListVO.java

@@ -1,11 +0,0 @@
-package cn.iocoder.mall.order.application.vo;
-
-import java.util.List;
-
-public class UsersCartListVO {
-
-    private List<UsersCartItemVO> items;
-
-    private FeeMessageVO feeMessage;
-
-}

order/order-service-api/src/main/java/cn/iocoder/mall/order/api/CartService.java

@@ -8,6 +8,7 @@ import cn.iocoder.mall.order.api.bo.OrderCreateBO;
 import cn.iocoder.mall.order.api.dto.CalcOrderPriceDTO;
 import org.springframework.lang.Nullable;
 
+import java.util.Collection;
 import java.util.List;
 
 public interface CartService {
@@ -38,11 +39,11 @@ public interface CartService {
      * 购物车更新商品是否选中
      *
      * @param userId 用户编号
-     * @param skuId 商品 SKU 编号
+     * @param skuIds 商品 SKU 编号数组
      * @param selected 是否选中
      * @return 是否成功
      */
-    CommonResult<Boolean> updateSelected(Integer userId, Integer skuId, Boolean selected);
+    CommonResult<Boolean> updateSelected(Integer userId, Collection<Integer> skuIds, Boolean selected);
 
     /**
      * 购物车删除商品
@@ -77,7 +78,7 @@ public interface CartService {
      * @param selected 是否选中。若为空，则不进行筛选
      * @return 购物车中商品列表信息
      */
-    List<CartItemBO> list(Integer userId, @Nullable  Boolean selected);
+    CommonResult<List<CartItemBO>> list(Integer userId, @Nullable  Boolean selected);
 
     // ========== 购物车与订单相关的逻辑 ==========
 

order/order-service-api/src/main/java/cn/iocoder/mall/order/api/bo/CartItemBO.java

@@ -3,6 +3,8 @@ package cn.iocoder.mall.order.api.bo;
 import lombok.Data;
 import lombok.experimental.Accessors;
 
+import java.util.Date;
+
 /**
  * 购物车的商品信息 DO
  */
@@ -10,6 +12,89 @@ import lombok.experimental.Accessors;
 @Accessors(chain = true)
 public class CartItemBO {
 
+    // ========= 基础字段 BEGIN =========
 
+    /**
+     * 编号，唯一自增。
+     */
+    private Integer id;
+    /**
+     * 状态
+     *
+     * 1-正常
+     * 2-主动删除
+     * 3-下单删除
+     */
+    private Integer status;
+    /**
+     * 是否选中
+     */
+    private Boolean selected;
+
+    // ========= 基础字段 END =========
+
+    // ========= 买家信息 BEGIN =========
+
+    /**
+     * 用户编号
+     */
+    private Integer userId;
+//    /**
+//     * 会话 key
+//     */
+//    private String nobody;
+
+    // ========= 买家信息 END =========
+
+    // ========= 商品信息 BEGIN =========
+
+    /**
+     * 商品 SPU 编号
+     */
+    private Integer spuId;
+    /**
+     * 商品 SKU 编号
+     */
+    private Integer skuId;
+    /**
+     * 商品购买数量
+     */
+    private Integer quantity;
+
+    // TODO 冗余字段
+
+
+    // ========= 商品信息 END =========
+
+    // ========= 交易信息 BEGIN =========
+
+    /**
+     * 订单编号
+     */
+    private Integer orderId;
+    /**
+     * 订单创建时间
+     */
+    private Date orderCreateTime;
+
+    // ========= 交易信息 BEGIN =========
+
+    // ========= 优惠信息 BEGIN =========
+
+//    /**
+//     * 商品营销活动编号
+//     */
+//    private Integer activityId;
+//    /**
+//     * 商品营销活动类型
+//     */
+//    private Integer activityType;
+
+    // ========= 优惠信息 END =========
+
+    /**
+     * 创建时间
+     */
+    private Date createTime;
 
 }

order/order-service-impl/src/main/java/cn/iocoder/mall/order/biz/convert/CartConvert.java

@@ -1,10 +1,14 @@
 package cn.iocoder.mall.order.biz.convert;
 
 import cn.iocoder.mall.order.api.bo.CalcOrderPriceBO;
+import cn.iocoder.mall.order.api.bo.CartItemBO;
+import cn.iocoder.mall.order.biz.dataobject.CartItemDO;
 import cn.iocoder.mall.product.api.bo.ProductSkuDetailBO;
 import org.mapstruct.Mapper;
 import org.mapstruct.factory.Mappers;
 
+import java.util.List;
+
 @Mapper
 public interface CartConvert {
 
@@ -12,4 +16,6 @@ public interface CartConvert {
 
     CalcOrderPriceBO.Item convert(ProductSkuDetailBO sku);
 
+    List<CartItemBO> convert(List<CartItemDO> items);
+
 }

order/order-service-impl/src/main/java/cn/iocoder/mall/order/biz/dao/CartMapper.java

@@ -21,7 +21,9 @@ public interface CartMapper {
     Integer selectQuantitySumByUserIdAndStatus(@Param("userId") Integer userId,
                                                @Param("status") Integer status);
 
-//    List<CartItemDO> selectListByStatus(@Param("status") Integer status);
+    List<CartItemDO> selectByUserIdAndStatusAndSelected(@Param("userId") Integer userId,
+                                                        @Param("status") Integer status,
+                                                        @Param("selected") Boolean selected);
 //
 //    List<CartItemDO> selectListByTitleLike(@Param("title") String title,
 //                                         @Param("offset") Integer offset,
@@ -36,4 +38,8 @@ public interface CartMapper {
     int updateQuantity(@Param("id") Integer id,
                        @Param("quantityIncr") Integer quantityIncr);
 
+    int updateListSelected(@Param("userId") Integer userId,
+                           @Param("skuIds") Collection<Integer> skuIds,
+                           @Param("selected") Boolean selected);
+
 }

order/order-service-impl/src/main/java/cn/iocoder/mall/order/biz/dataobject/CartItemDO.java

@@ -44,10 +44,6 @@ public class CartItemDO extends BaseDO {
      * 用户编号
      */
     private Integer userId;
-//    /**
-//     * 会话 key
-//     */
-//    private String nobody;
 
     // ========= 买家信息 END =========
 

order/order-service-impl/src/main/java/cn/iocoder/mall/order/biz/service/CartServiceImpl.java

@@ -114,15 +114,9 @@ public class CartServiceImpl implements CartService {
     }
 
     @Override
-    public CommonResult<Boolean> updateSelected(Integer userId, Integer skuId, Boolean selected) {
+    public CommonResult<Boolean> updateSelected(Integer userId, Collection<Integer> skuIds, Boolean selected) {
-        // 查询 CartItemDO
+        // 更新 CartItemDO 们
-        CartItemDO item = cartMapper.selectByUserIdAndSkuIdAndStatus(userId, skuId, CartItemStatusEnum.ENABLE.getValue());
+        cartMapper.updateListSelected(userId, skuIds, selected);
-        if (item == null) {
-            return ServiceExceptionUtil.error(OrderErrorCodeEnum.CARD_ITEM_NOT_FOUND.getCode());
-        }
-        // 更新 CartItemDO
-        CartItemDO updateCartItem = new CartItemDO().setId(item.getId()).setSelected(selected);
-        cartMapper.update(updateCartItem);
         // 返回成功
         return CommonResult.success(true);
     }
@@ -143,8 +137,9 @@ public class CartServiceImpl implements CartService {
     }
 
     @Override
-    public List<CartItemBO> list(Integer userId, Boolean selected) {
+    public CommonResult<List<CartItemBO>> list(Integer userId, Boolean selected) {
-        return null;
+        List<CartItemDO> items = cartMapper.selectByUserIdAndStatusAndSelected(userId, CartItemStatusEnum.ENABLE.getValue(), selected);
+        return CommonResult.success(CartConvert.INSTANCE.convert(items));
     }
 
     @Override

order/order-service-impl/src/main/resources/mapper/CartMapper.xml

@@ -38,6 +38,18 @@
         LIMIT 1
     </select>
 
+    <select id="selectByUserIdAndStatusAndSelected" resultType="CartItemDO">
+        SELECT
+            <include refid="FIELDS" />
+        FROM cart_item
+        WHERE user_id = #{userId}
+        AND status = #{status}
+        <if test="selected != null">
+            AND selected = #{selected}
+        </if>
+        --         AND deleted = 0
+    </select>
+
     <select id="selectQuantitySumByUserIdAndStatus" resultType="Integer">
         SELECT
             SUM(quantity)
@@ -96,4 +108,15 @@
         WHERE id = #{id}
     </update>
 
+    <update id="updateListSelected">
+        UPDATE cart_item
+        SET selected = #{selected}
+        WHERE user_id = #{userId}
+        AND sku_id IN
+            <foreach item="skuId" collection="skuIds" separator="," open="(" close=")" index="">
+                #{skuId}
+            </foreach>
+        --         AND deleted = 0
+    </update>
+
 </mapper>