diff --git a/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/CartRpc.java b/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/CartRpc.java
index c1a5272d1..97d8ea2f1 100644
--- a/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/CartRpc.java
+++ b/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/CartRpc.java
@@ -1,8 +1,9 @@
 package cn.iocoder.mall.orderservice.rpc.cart;
 
 import cn.iocoder.common.framework.vo.CommonResult;
-import cn.iocoder.mall.orderservice.rpc.cart.dto.CartItemAddReqDTO;
-import cn.iocoder.mall.orderservice.rpc.cart.dto.CartItemUpdateQuantityReqDTO;
+import cn.iocoder.mall.orderservice.rpc.cart.dto.*;
+
+import java.util.List;
 
 /**
  * 购物车 Rpc 接口
@@ -20,9 +21,41 @@ public interface CartRpc {
     /**
      * 更新购物车商品数量
      *
-     * @param updateQuantityReqDTO 更新商品数量
+     * @param updateQuantityReqDTO 更新商品数量 DTO
      * @return 成功
      */
-    CommonResult<Boolean> updateCartItemSelected(CartItemUpdateQuantityReqDTO updateQuantityReqDTO);
+    CommonResult<Boolean> updateCartItemQuantity(CartItemUpdateQuantityReqDTO updateQuantityReqDTO);
+
+    /**
+     * 更新购物车商品是否选中
+     *
+     * @param updateSelectedReqDTO 更新商品是否选中 DTO
+     * @return 成功
+     */
+    CommonResult<Boolean> updateCartItemSelected(CartItemUpdateSelectedReqDTO updateSelectedReqDTO);
+
+    /**
+     * 删除购物车商品列表
+     *
+     * @param deleteListReqDTO 删除商品列表 DTO
+     * @return 成功
+     */
+    CommonResult<Boolean> deleteCartItems(CartItemDeleteListReqDTO deleteListReqDTO);
+
+    /**
+     * 查询用户在购物车中的商品数量
+     *
+     * @param userId 用户编号
+     * @return 商品数量
+     */
+    CommonResult<Integer> sumCartItemQuantity(Integer userId);
+
+    /**
+     * 查询用户在购物车种的商品列表
+     *
+     * @param listReqDTO 查询条件 DTO
+     * @return 购物车中商品列表信息
+     */
+    CommonResult<List<CartItemRespDTO>> listCartItems(CartItemListReqDTO listReqDTO);
 
 }
diff --git a/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/dto/CartItemDeleteListReqDTO.java b/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/dto/CartItemDeleteListReqDTO.java
new file mode 100644
index 000000000..0956d00a2
--- /dev/null
+++ b/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/dto/CartItemDeleteListReqDTO.java
@@ -0,0 +1,28 @@
+package cn.iocoder.mall.orderservice.rpc.cart.dto;
+
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+import javax.validation.constraints.NotNull;
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * 购物车删除商品列表 Request DTO
+ */
+@Data
+@Accessors(chain = true)
+public class CartItemDeleteListReqDTO implements Serializable {
+
+    /**
+     * 用户编号
+     */
+    @NotNull(message = "用户编号不能为空")
+    private Integer userId;
+    /**
+     * 商品 SKU 编号列表
+     */
+    @NotNull(message = "商品 SKU 编号列表不能为空")
+    private List<Integer> skuIds;
+
+}
diff --git a/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/dto/CartItemListReqDTO.java b/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/dto/CartItemListReqDTO.java
new file mode 100644
index 000000000..040ea13a6
--- /dev/null
+++ b/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/dto/CartItemListReqDTO.java
@@ -0,0 +1,26 @@
+package cn.iocoder.mall.orderservice.rpc.cart.dto;
+
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+import javax.validation.constraints.NotNull;
+import java.io.Serializable;
+
+/**
+ * 购物车的商品信息查询 BO
+ */
+@Data
+@Accessors(chain = true)
+public class CartItemListReqDTO implements Serializable {
+
+    /**
+     * 用户编号
+     */
+    @NotNull(message = "用户编号不能为空")
+    private Integer userId;
+    /**
+     * 是否选中
+     */
+    private Boolean selected;
+
+}
diff --git a/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/dto/CartItemRespDTO.java b/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/dto/CartItemRespDTO.java
new file mode 100644
index 000000000..068ac06c8
--- /dev/null
+++ b/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/dto/CartItemRespDTO.java
@@ -0,0 +1,67 @@
+package cn.iocoder.mall.orderservice.rpc.cart.dto;
+
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+import java.io.Serializable;
+
+/**
+ * 购物车的商品信息 Response DTO
+ */
+@Data
+@Accessors(chain = true)
+public class CartItemRespDTO implements Serializable {
+
+    // ========= 基础字段 BEGIN =========
+
+    /**
+     * 编号，唯一自增。
+     */
+    private Integer id;
+    /**
+     * 是否选中
+     */
+    private Boolean selected;
+
+    // ========= 基础字段 END =========
+
+    // ========= 买家信息 BEGIN =========
+
+    /**
+     * 用户编号
+     */
+    private Integer userId;
+
+    // ========= 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;
+
+    // ========= 商品信息 END =========
+
+    // ========= 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 =========
+
+}
diff --git a/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/dto/CartItemUpdateSelectedReqDTO.java b/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/dto/CartItemUpdateSelectedReqDTO.java
new file mode 100644
index 000000000..075be10e9
--- /dev/null
+++ b/order-service-project/order-service-api/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/dto/CartItemUpdateSelectedReqDTO.java
@@ -0,0 +1,33 @@
+package cn.iocoder.mall.orderservice.rpc.cart.dto;
+
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+import javax.validation.constraints.NotNull;
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * 购物车更新是否选中 Request DTO
+ */
+@Data
+@Accessors(chain = true)
+public class CartItemUpdateSelectedReqDTO implements Serializable {
+
+    /**
+     * 用户编号
+     */
+    @NotNull(message = "用户编号不能为空")
+    private Integer userId;
+    /**
+     * 商品 SKU 编号列表
+     */
+    @NotNull(message = "商品 SKU 编号列表不能为空")
+    private List<Integer> skuIds;
+    /**
+     * 是否选中
+     */
+    @NotNull(message = "是否选中不能为空")
+    private Boolean selected;
+
+}
diff --git a/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/convert/cart/CartConvert.java b/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/convert/cart/CartConvert.java
index 94803ea57..913ab20bb 100644
--- a/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/convert/cart/CartConvert.java
+++ b/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/convert/cart/CartConvert.java
@@ -2,10 +2,16 @@ package cn.iocoder.mall.orderservice.convert.cart;
 
 import cn.iocoder.mall.orderservice.dal.mysql.dataobject.cart.CartItemDO;
 import cn.iocoder.mall.orderservice.rpc.cart.dto.CartItemAddReqDTO;
+import cn.iocoder.mall.orderservice.rpc.cart.dto.CartItemListReqDTO;
+import cn.iocoder.mall.orderservice.rpc.cart.dto.CartItemRespDTO;
 import cn.iocoder.mall.orderservice.service.cart.bo.CartItemAddBO;
+import cn.iocoder.mall.orderservice.service.cart.bo.CartItemBO;
+import cn.iocoder.mall.orderservice.service.cart.bo.CartItemListQueryBO;
 import org.mapstruct.Mapper;
 import org.mapstruct.factory.Mappers;
 
+import java.util.List;
+
 @Mapper
 public interface CartConvert {
 
@@ -15,4 +21,10 @@ public interface CartConvert {
 
     CartItemAddBO convert(CartItemAddReqDTO bean);
 
+    List<CartItemBO> convertList(List<CartItemDO> list);
+
+    CartItemListQueryBO convert(CartItemListReqDTO bean);
+
+    List<CartItemRespDTO> convertList02(List<CartItemBO> list);
+
 }
diff --git a/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/dal/mysql/mapper/cart/CartItemMapper.java b/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/dal/mysql/mapper/cart/CartItemMapper.java
index f7e051244..bb87a4933 100644
--- a/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/dal/mysql/mapper/cart/CartItemMapper.java
+++ b/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/dal/mysql/mapper/cart/CartItemMapper.java
@@ -2,6 +2,7 @@ package cn.iocoder.mall.orderservice.dal.mysql.mapper.cart;
 
 import cn.iocoder.mall.mybatis.core.query.QueryWrapperX;
 import cn.iocoder.mall.orderservice.dal.mysql.dataobject.cart.CartItemDO;
+import cn.iocoder.mall.orderservice.service.cart.bo.CartItemListQueryBO;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import org.apache.ibatis.annotations.Param;
@@ -9,6 +10,7 @@ import org.springframework.stereotype.Repository;
 
 import java.util.Collection;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 
 @Repository
@@ -29,4 +31,18 @@ public interface CartItemMapper extends BaseMapper<CartItemDO> {
        ids.forEach(id -> updateById(updateObject.setId(id)));
    }
 
+    default Integer selectSumQuantityByUserId(Integer userId) {
+        // SQL sum 查询
+        List<Map<String, Object>> result = selectMaps(new QueryWrapper<CartItemDO>()
+                .select("SUM(quantity) AS sumQuantity")
+                .eq("user_id", userId));
+        // 获得数量
+        return (Integer) result.get(0).get("sumQuantity");
+    }
+
+    default List<CartItemDO> selectList(CartItemListQueryBO queryBO) {
+        return selectList(new QueryWrapperX<CartItemDO>().eq("user_id", queryBO.getUserId())
+            .eq("selected", queryBO.getSelected()));
+    }
+
 }
diff --git a/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/manager/cart/CartManager.java b/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/manager/cart/CartManager.java
index a355a8fb1..17ca53189 100644
--- a/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/manager/cart/CartManager.java
+++ b/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/manager/cart/CartManager.java
@@ -4,15 +4,17 @@ import cn.iocoder.common.framework.enums.CommonStatusEnum;
 import cn.iocoder.common.framework.exception.util.ServiceExceptionUtil;
 import cn.iocoder.common.framework.vo.CommonResult;
 import cn.iocoder.mall.orderservice.convert.cart.CartConvert;
-import cn.iocoder.mall.orderservice.rpc.cart.dto.CartItemAddReqDTO;
-import cn.iocoder.mall.orderservice.rpc.cart.dto.CartItemUpdateQuantityReqDTO;
+import cn.iocoder.mall.orderservice.rpc.cart.dto.*;
 import cn.iocoder.mall.orderservice.service.cart.CartService;
+import cn.iocoder.mall.orderservice.service.cart.bo.CartItemBO;
 import cn.iocoder.mall.productservice.rpc.sku.ProductSkuRpc;
 import cn.iocoder.mall.productservice.rpc.sku.dto.ProductSkuRespDTO;
 import org.apache.dubbo.config.annotation.DubboReference;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
 import static cn.iocoder.mall.orderservice.enums.OrderErrorCodeConstants.CARD_ITEM_SKU_NOT_FOUND;
 
 /**
@@ -52,6 +54,55 @@ public class CartManager {
                 updateQuantityReqDTO.getQuantity(), skuDTO.getQuantity());
     }
 
+    /**
+     * 更新购物车商品是否选中
+     *
+     * @param updateSelectedReqDTO 更新商品是否选中 DTO
+     */
+    public void updateCartItemSelected(CartItemUpdateSelectedReqDTO updateSelectedReqDTO) {
+        cartService.updateCartItemSelected(updateSelectedReqDTO.getUserId(),
+                updateSelectedReqDTO.getSkuIds(), updateSelectedReqDTO.getSelected());
+    }
+
+    /**
+     * 删除购物车商品列表
+     *
+     * @param deleteListReqDTO 删除商品列表 DTO
+     */
+    public void deleteCartItems(CartItemDeleteListReqDTO deleteListReqDTO) {
+        cartService.deleteCartItems(deleteListReqDTO.getUserId(),
+                deleteListReqDTO.getSkuIds());
+    }
+
+    /**
+     * 查询用户在购物车中的商品数量
+     *
+     * @param userId 用户编号
+     * @return 商品数量
+     */
+    public Integer sumCartItemQuantity(Integer userId) {
+        return cartService.sumCartItemQuantity(userId);
+    }
+
+    /**
+     * 查询用户在购物车种的商品列表
+     *
+     * @param listReqDTO 查询条件 DTO
+     * @return 购物车中商品列表信息
+     */
+    public List<CartItemRespDTO> listCartItems(CartItemListReqDTO listReqDTO) {
+        List<CartItemBO> cartItemBOs = cartService.listCartItems(CartConvert.INSTANCE.convert(listReqDTO));
+        return CartConvert.INSTANCE.convertList02(cartItemBOs);
+    }
+
+    /**
+     * 校验商品 SKU 是否合法
+     * 1. 是否存在
+     * 2. 是否下架
+     *
+     * @param skuId 商品 SKU 编号
+     * @return 商品 SKU 信息
+     */
     private ProductSkuRespDTO checkProductSku(Integer skuId) {
         CommonResult<ProductSkuRespDTO> getProductSkuResult = productSkuRpc.getProductSku(skuId);
         getProductSkuResult.checkError();
diff --git a/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/CartRpcImpl.java b/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/CartRpcImpl.java
index 260ae7638..491e9211f 100644
--- a/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/CartRpcImpl.java
+++ b/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/rpc/cart/CartRpcImpl.java
@@ -2,11 +2,14 @@ package cn.iocoder.mall.orderservice.rpc.cart;
 
 import cn.iocoder.common.framework.vo.CommonResult;
 import cn.iocoder.mall.orderservice.manager.cart.CartManager;
-import cn.iocoder.mall.orderservice.rpc.cart.dto.CartItemAddReqDTO;
-import cn.iocoder.mall.orderservice.rpc.cart.dto.CartItemUpdateQuantityReqDTO;
+import cn.iocoder.mall.orderservice.rpc.cart.dto.*;
 import org.apache.dubbo.config.annotation.DubboService;
 import org.springframework.beans.factory.annotation.Autowired;
 
+import java.util.List;
+
+import static cn.iocoder.common.framework.vo.CommonResult.success;
+
 @DubboService
 public class CartRpcImpl implements CartRpc {
 
@@ -16,13 +19,35 @@ public class CartRpcImpl implements CartRpc {
     @Override
     public CommonResult<Boolean> addCartItem(CartItemAddReqDTO addItemReqDTO) {
         cartManager.addCartItem(addItemReqDTO);
-        return CommonResult.success(true);
+        return success(true);
     }
 
     @Override
-    public CommonResult<Boolean> updateCartItemSelected(CartItemUpdateQuantityReqDTO updateQuantityReqDTO) {
+    public CommonResult<Boolean> updateCartItemQuantity(CartItemUpdateQuantityReqDTO updateQuantityReqDTO) {
         cartManager.updateCartItemSelected(updateQuantityReqDTO);
-        return CommonResult.success(true);
+        return success(true);
+    }
+
+    @Override
+    public CommonResult<Boolean> updateCartItemSelected(CartItemUpdateSelectedReqDTO updateSelectedReqDTO) {
+        cartManager.updateCartItemSelected(updateSelectedReqDTO);
+        return success(true);
+    }
+
+    @Override
+    public CommonResult<Boolean> deleteCartItems(CartItemDeleteListReqDTO deleteListReqDTO) {
+        cartManager.deleteCartItems(deleteListReqDTO);
+        return success(true);
+    }
+
+    @Override
+    public CommonResult<Integer> sumCartItemQuantity(Integer userId) {
+        return success(cartManager.sumCartItemQuantity(userId));
+    }
+
+    @Override
+    public CommonResult<List<CartItemRespDTO>> listCartItems(CartItemListReqDTO listReqDTO) {
+        return success(cartManager.listCartItems(listReqDTO));
     }
 
 }
diff --git a/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/service/cart/CartService.java b/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/service/cart/CartService.java
index c66e5ce6d..bf78f2ba7 100644
--- a/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/service/cart/CartService.java
+++ b/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/service/cart/CartService.java
@@ -6,6 +6,8 @@ import cn.iocoder.mall.orderservice.convert.cart.CartConvert;
 import cn.iocoder.mall.orderservice.dal.mysql.dataobject.cart.CartItemDO;
 import cn.iocoder.mall.orderservice.dal.mysql.mapper.cart.CartItemMapper;
 import cn.iocoder.mall.orderservice.service.cart.bo.CartItemAddBO;
+import cn.iocoder.mall.orderservice.service.cart.bo.CartItemBO;
+import cn.iocoder.mall.orderservice.service.cart.bo.CartItemListQueryBO;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
@@ -99,13 +101,35 @@ public class CartService {
      * @param userId 用户编号
      * @param skuIds 商品 SKU 编号的数组
      */
-    public void deleteList(Integer userId, List<Integer> skuIds) {
+    public void deleteCartItems(Integer userId, List<Integer> skuIds) {
         // 查询 CartItemDO 列表
         List<CartItemDO> itemDOs = cartItemMapper.selectListByUserIdAndSkuIds(userId, skuIds);
+        if (CollectionUtils.isEmpty(itemDOs)) {
+            return;
+        }
         // 批量标记删除
         cartItemMapper.deleteBatchIds(CollectionUtils.convertSet(itemDOs, CartItemDO::getId));
     }
 
+    /**
+     * 查询用户在购物车中的商品数量
+     *
+     * @param userId 用户编号
+     * @return 商品数量
+     */
+    public Integer sumCartItemQuantity(Integer userId) {
+        return cartItemMapper.selectSumQuantityByUserId(userId);
+    }
 
+    /**
+     * 查询用户在购物车种的商品列表
+     *
+     * @param queryBO 查询条件 BO
+     * @return 购物车中商品列表信息
+     */
+    public List<CartItemBO> listCartItems(CartItemListQueryBO queryBO) {
+        List<CartItemDO> cartItemDOs = cartItemMapper.selectList(queryBO);
+        return CartConvert.INSTANCE.convertList(cartItemDOs);
+    }
 
 }
diff --git a/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/service/cart/bo/CartItemListQueryBO.java b/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/service/cart/bo/CartItemListQueryBO.java
new file mode 100644
index 000000000..c94970da1
--- /dev/null
+++ b/order-service-project/order-service-app/src/main/java/cn/iocoder/mall/orderservice/service/cart/bo/CartItemListQueryBO.java
@@ -0,0 +1,25 @@
+package cn.iocoder.mall.orderservice.service.cart.bo;
+
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+import javax.validation.constraints.NotNull;
+
+/**
+ * 购物车的商品信息查询 BO
+ */
+@Data
+@Accessors(chain = true)
+public class CartItemListQueryBO {
+
+    /**
+     * 用户编号
+     */
+    @NotNull(message = "用户编号不能为空")
+    private Integer userId;
+    /**
+     * 是否选中
+     */
+    private Boolean selected;
+
+}
diff --git a/order/order-biz/src/main/java/cn/iocoder/mall/order/biz/service/CartService.java b/order/order-biz/src/main/java/cn/iocoder/mall/order/biz/service/CartService.java
index 9982cc0d1..e2aaf0fcd 100644
--- a/order/order-biz/src/main/java/cn/iocoder/mall/order/biz/service/CartService.java
+++ b/order/order-biz/src/main/java/cn/iocoder/mall/order/biz/service/CartService.java
@@ -3,27 +3,6 @@ package cn.iocoder.mall.order.biz.service;
 public interface CartService {
 
 
-//    Boolean deleteList(Integer userId, List<Integer> skuIds);
-//
-
-//
-//    /**
-//     * 查询用户在购物车中的商品数量
-//     *
-//     * @param userId 用户编号
-//     * @return 商品数量
-//     */
-//    Integer count(Integer userId);
-//
-//    /**
-//     * 显示买家购物车中的商品列表，并根据 selected 进行过滤。
-//     *
-//     * @param userId 用户编号
-//     * @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);
-//
 //    // ========== 购物车与订单相关的逻辑 ==========
 //
 //    /**
diff --git a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/biz/service/CartServiceImpl.java b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/biz/service/CartServiceImpl.java
index 9293ffd36..d61a87004 100644
--- a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/biz/service/CartServiceImpl.java
+++ b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/biz/service/CartServiceImpl.java
@@ -45,17 +45,6 @@ public class CartServiceImpl implements CartService {
     @Autowired
     private CartMapper cartMapper;
 
-    @Override
-    public Integer count(Integer userId) {
-        return cartMapper.selectQuantitySumByUserIdAndStatus(userId, CartItemStatusEnum.ENABLE.getValue());
-    }
-
-    @Override
-    public List<CartItemBO> list(Integer userId, Boolean selected) {
-        List<CartItemDO> items = cartMapper.selectByUserIdAndStatusAndSelected(userId, CartItemStatusEnum.ENABLE.getValue(), selected);
-        return CartConvert.INSTANCE.convert(items);
-    }
-
     @Override
     public CalcOrderPriceBO calcOrderPrice(CalcOrderPriceDTO calcOrderPriceDTO) {
         // TODO 芋艿，补充一些表单校验。例如说，需要传入用户编号。