购物车

jeesns-service/src/main/java/com/lxinet/jeesns/dao/shop/IShopCartDao.java

@@ -11,6 +11,8 @@ public interface IShopCartDao extends BaseMapper<ShopCart> {
 
     List<ShopCart> listByMemberId(@Param("page") Page page, @Param("memberId") Integer memberId);
 
+    ShopCart find(@Param("goodsId") Integer goodsId, @Param("memberId") Integer memberId);
+
     Integer updateNum(@Param("id") Integer id, @Param("num") Integer num, @Param("memberId") Integer memberId);
 
     Integer delete(@Param("id") Integer id, @Param("memberId") Integer memberId);

jeesns-service/src/main/java/com/lxinet/jeesns/model/shop/ShopCart.java

@@ -3,6 +3,7 @@ package com.lxinet.jeesns.model.shop;
 import com.fasterxml.jackson.annotation.JsonFormat;
 import com.lxinet.jeesns.core.annotation.Column;
 import com.lxinet.jeesns.core.annotation.Id;
+import com.lxinet.jeesns.core.annotation.Table;
 import com.lxinet.jeesns.core.enums.FillTime;
 import com.lxinet.jeesns.core.enums.IdType;
 import com.lxinet.jeesns.model.member.Member;
@@ -14,6 +15,7 @@ import java.util.Date;
  * 购物车
  * Created by zchuanzhao on 2019/5/27.
  */
+@Table("tbl_shop_cart")
 public class ShopCart implements Serializable {
     @Id(value = "id", type = IdType.AUTO)
     private Integer id;

jeesns-service/src/main/java/com/lxinet/jeesns/service/shop/IShopCartService.java

@@ -18,6 +18,8 @@ public interface IShopCartService extends IBaseService<ShopCart> {
 
     ResultModel listByMemberId(Page page, Integer memberId);
 
+    ShopCart find(Integer goodsId, Integer memberId);
+
     Boolean updateNum(Integer id, Integer num, Integer memberId);
 
     Boolean delete(Integer id, Integer memberId);

jeesns-service/src/main/java/com/lxinet/jeesns/service/shop/impl/GoodsServiceImpl.java

@@ -64,7 +64,7 @@ public class GoodsServiceImpl extends BaseServiceImpl<Goods> implements IGoodsSe
             }
         }
         boolean result = super.save(goods);
-        return true;
+        return result;
     }
 
     @Override

jeesns-service/src/main/java/com/lxinet/jeesns/service/shop/impl/ShopCartServiceImpl.java

@@ -5,7 +5,9 @@ import com.lxinet.jeesns.core.model.Page;
 import com.lxinet.jeesns.core.service.impl.BaseServiceImpl;
 import com.lxinet.jeesns.core.utils.ValidUtill;
 import com.lxinet.jeesns.dao.shop.IShopCartDao;
+import com.lxinet.jeesns.model.shop.Goods;
 import com.lxinet.jeesns.model.shop.ShopCart;
+import com.lxinet.jeesns.service.shop.IGoodsService;
 import com.lxinet.jeesns.service.shop.IShopCartService;
 import org.springframework.stereotype.Service;
 import javax.annotation.Resource;
@@ -20,6 +22,25 @@ public class ShopCartServiceImpl extends BaseServiceImpl<ShopCart> implements IS
 
     @Resource
     private IShopCartDao shopCartDao;
+    @Resource
+    private IGoodsService goodsService;
+
+    @Override
+    public boolean save(ShopCart shopCart) {
+        ShopCart findShopCart = this.find(shopCart.getGoodsId(), shopCart.getMemberId());
+        Goods goods = goodsService.findById(shopCart.getGoodsId());
+        if (findShopCart == null){
+            shopCart.setUnitPrice(goods.getPrice());
+            shopCart.setTotalPrice(goods.getPrice() * shopCart.getNum());
+            super.save(shopCart);
+        }else {
+            findShopCart.setNum(findShopCart.getNum() + shopCart.getNum());
+            findShopCart.setUnitPrice(goods.getPrice());
+            findShopCart.setTotalPrice(goods.getPrice() * findShopCart.getNum());
+            super.update(findShopCart);
+        }
+        return true;
+    }
 
     @Override
     public ResultModel listByMemberId(Page page, Integer memberId) {
@@ -29,6 +50,11 @@ public class ShopCartServiceImpl extends BaseServiceImpl<ShopCart> implements IS
         return model;
     }
 
+    @Override
+    public ShopCart find(Integer goodsId, Integer memberId) {
+        return shopCartDao.find(goodsId, memberId);
+    }
+
     @Override
     public Boolean updateNum(Integer id, Integer num, Integer memberId) {
         ValidUtill.checkParam(num < 1, "数量不能少于1");

jeesns-service/src/main/resources/mybatis/shop/ShopCartMapper.xml

@@ -6,6 +6,10 @@
     select a.*,b.title as 'goods.title' from tbl_shop_cart as a left join tbl_goods as b on a.goods_id = b.id where a.member_id = #{memberId} order by a.id desc
   </select>
 
+  <select id="find" parameterType="java.lang.Integer" resultType="ShopCart">
+    select a.*,b.title as 'goods.title' from tbl_shop_cart as a left join tbl_goods as b on a.goods_id = b.id where a.goods_id = #{goodsId} and a.member_id = #{memberId}
+  </select>
+
   <update id="updateNum">
     update tbl_shop_cart set num = #{num} where id = #{id}} and member_id = #{memberId}
   </update>

jeesns-web/src/main/java/com/lxinet/jeesns/web/front/ShopCartController.java

@@ -39,12 +39,9 @@ public class ShopCartController extends BaseController {
     @ResponseBody
     public ResultModel save(ShopCart shopCart){
         Member loginMember = MemberUtil.getLoginMember(request);
-        Goods goods = goodsService.findById(shopCart.getGoodsId());
         shopCart.setMemberId(loginMember.getId());
-        shopCart.setUnitPrice(goods.getPrice());
-        shopCart.setTotalPrice(goods.getPrice() * shopCart.getNum());
-        boolean result = shopCartService.save(shopCart);
-        return new ResultModel(result);
+        shopCartService.save(shopCart);
+        return new ResultModel(0, "加入购物车成功");
     }
 
     @PostMapping("/updateNum")

jeesns-web/src/main/webapp/WEB-INF/templates/front/shop/list.ftl

@@ -71,7 +71,7 @@
                                     </div>
                                     <div class="content pull-right">
                                         <div class="price">￥${goods.price?string("#.00")}</div>
-                                        <div class="buy"><a class="btn btn-success">购买</a></div>
+                                        <div class="buy"><a class="btn btn-success" href="${basePath}/shop/detail/${goods.id}">购买</a></div>
                                     </div>
                                 </div>
                             </div>