调整合并代码出现的问题

src/main/java/com/sztzjy/trade/service/impl/StuGoodsTradingCenterServiceImpl.java

@@ -40,6 +40,9 @@ public class StuGoodsTradingCenterServiceImpl implements StuGoodsTradingCenterSe
     @Autowired
     private StuGoodsInfoMapper stuGoodsInfoMapper;
 
+    @Resource
+    StuShoppingCartInfoMapper shoppingCartInfoMapper;
+
     //小广告位招租
     @Override
     public ResultEntity getSmallAdPlacement(String userId) {
@@ -100,8 +103,17 @@ public class StuGoodsTradingCenterServiceImpl implements StuGoodsTradingCenterSe
     }
 
     //大广告招租
-    @Resource
+    public PageInfo<StuShoppingCartInfo> getShoppingCartInfo(String userId, Integer index, Integer size) {
-    StuShoppingCartInfoMapper shoppingCartInfoMapper;
+        StuShoppingCartInfoExample cartInfoExample=new StuShoppingCartInfoExample();
+
+        cartInfoExample.createCriteria().andUserIdEqualTo(userId);
+
+        List<StuShoppingCartInfo> stuShoppingCartInfos = shoppingCartInfoMapper.selectByExample(cartInfoExample);
+        return PageUtil.pageHelper(stuShoppingCartInfos,index,size);
+    }
+
+
+
     @Override
     public ResultEntity getBigAdPlacement(String userId) {
         //查询用户商品销售管理数据
@@ -110,9 +122,6 @@ public class StuGoodsTradingCenterServiceImpl implements StuGoodsTradingCenterSe
         goodSalesManageExample.createCriteria().andUserIdEqualTo(userId).andStateEqualTo(1);
         List<StuGoodSalesManage> goodSalesManageList = stuGoodSalesManageMapper.selectByExample(goodSalesManageExample);
         if (goodSalesManageList != null && goodSalesManageList.size() > 0) {
-    public PageInfo<StuShoppingCartInfo> getShoppingCartInfo(String userId, Integer index, Integer size) {
-        StuShoppingCartInfoExample cartInfoExample=new StuShoppingCartInfoExample();
-        cartInfoExample.createCriteria().andUserIdEqualTo(userId);
 
             if (goodSalesManageList.size() >= 2) {
                 Collections.shuffle(goodSalesManageList, new Random(System.currentTimeMillis()));
@@ -122,10 +131,10 @@ public class StuGoodsTradingCenterServiceImpl implements StuGoodsTradingCenterSe
                 return new ResultEntity<>(goodSalesManageList);
             }
         }
-        List<StuShoppingCartInfo> stuShoppingCartInfos = shoppingCartInfoMapper.selectByExample(cartInfoExample);
+
 
         return new ResultEntity<>(HttpStatus.NO_CONTENT);
-        return PageUtil.pageHelper(stuShoppingCartInfos,index,size);
+
     }
 
     //根据类型展示数据