diff --git a/src/main/java/com/sztzjy/trade/controller/stu/StuGoodsTradingCenterController.java b/src/main/java/com/sztzjy/trade/controller/stu/StuGoodsTradingCenterController.java
index 85a20a3..7ab7a7c 100644
--- a/src/main/java/com/sztzjy/trade/controller/stu/StuGoodsTradingCenterController.java
+++ b/src/main/java/com/sztzjy/trade/controller/stu/StuGoodsTradingCenterController.java
@@ -30,8 +30,8 @@ import java.util.List;
 @Api(tags = "商品交易中心")
 public class StuGoodsTradingCenterController {
 
-    @Autowired
-    private StuGoodsTradingCenterService stuGoodsTradingCenterService;
+    @Resource
+    StuGoodsTradingCenterService tradingCenterService;
 
 
 
@@ -41,7 +41,7 @@ public class StuGoodsTradingCenterController {
     public ResultEntity getSmallAdPlacement(String userId) {
 
         //销量前10位的商品
-        return stuGoodsTradingCenterService.getSmallAdPlacement(userId);
+        return tradingCenterService.getSmallAdPlacement(userId);
     }
 
 
@@ -51,7 +51,7 @@ public class StuGoodsTradingCenterController {
     public ResultEntity getAllProductInquiries(String userId) {
 
 
-        return stuGoodsTradingCenterService.AllProductInquiries(userId);
+        return tradingCenterService.AllProductInquiries(userId);
     }
 
 
@@ -61,7 +61,7 @@ public class StuGoodsTradingCenterController {
     @GetMapping("/productInquiry")
     public ResultEntity getProductInquiry(String userId,String keyWord) {
 
-        return stuGoodsTradingCenterService.getProductInquiry(userId,keyWord);
+        return tradingCenterService.getProductInquiry(userId,keyWord);
 
     }
 
@@ -69,6 +69,14 @@ public class StuGoodsTradingCenterController {
 
     //todo   查询购物车数量
 
+    @ApiOperation("购物车数量")
+    @AnonymousAccess
+    @GetMapping("/numberOfShopping")
+    public ResultEntity getNumberOfShopping(String userId) {
+
+
+        return tradingCenterService.getNumberOfShopping(userId);
+    }
 
     //大广告招租
 
@@ -77,7 +85,7 @@ public class StuGoodsTradingCenterController {
     @GetMapping("/bigAdPlacement")
     public ResultEntity getBigAdPlacement(String userId) {
 
-        return stuGoodsTradingCenterService.getBigAdPlacement(userId);
+        return tradingCenterService.getBigAdPlacement(userId);
 
     }
 
@@ -86,7 +94,7 @@ public class StuGoodsTradingCenterController {
     @GetMapping("/getTypeQuery")
     public ResultEntity getTypeQuery(String userId,String type) {
 
-        return stuGoodsTradingCenterService.getTypeQuery(userId,type);
+        return tradingCenterService.getTypeQuery(userId,type);
 
     }
 
@@ -94,8 +102,7 @@ public class StuGoodsTradingCenterController {
 
 
 
-    @Resource
-    StuGoodsTradingCenterService tradingCenterService;
+
 
     @ApiOperation("购物车信息展示")
     @PostMapping("/getShoppingCartInfo")
@@ -106,4 +113,9 @@ public class StuGoodsTradingCenterController {
 
        return new ResultEntity(HttpStatus.OK,"购物车信息", tradingCenterService.getShoppingCartInfo(userId,index,size));
     }
+
+
+
+
+
 }
diff --git a/src/main/java/com/sztzjy/trade/service/StuGoodsTradingCenterService.java b/src/main/java/com/sztzjy/trade/service/StuGoodsTradingCenterService.java
index 16f04a9..d3da4b8 100644
--- a/src/main/java/com/sztzjy/trade/service/StuGoodsTradingCenterService.java
+++ b/src/main/java/com/sztzjy/trade/service/StuGoodsTradingCenterService.java
@@ -27,4 +27,7 @@ public interface StuGoodsTradingCenterService {
 
     //根据类型展示数据
     ResultEntity getTypeQuery(String userId, String type);
+
+    //购物车数量
+    ResultEntity getNumberOfShopping(String userId);
 }
diff --git a/src/main/java/com/sztzjy/trade/service/impl/StuGoodsTradingCenterServiceImpl.java b/src/main/java/com/sztzjy/trade/service/impl/StuGoodsTradingCenterServiceImpl.java
index 2ebcf4d..5a31afc 100644
--- a/src/main/java/com/sztzjy/trade/service/impl/StuGoodsTradingCenterServiceImpl.java
+++ b/src/main/java/com/sztzjy/trade/service/impl/StuGoodsTradingCenterServiceImpl.java
@@ -102,7 +102,7 @@ public class StuGoodsTradingCenterServiceImpl implements StuGoodsTradingCenterSe
 
     }
 
-    //大广告招租
+    @Override
     public PageInfo<StuShoppingCartInfo> getShoppingCartInfo(String userId, Integer index, Integer size) {
         StuShoppingCartInfoExample cartInfoExample=new StuShoppingCartInfoExample();
 
@@ -113,7 +113,7 @@ public class StuGoodsTradingCenterServiceImpl implements StuGoodsTradingCenterSe
     }
 
 
-
+    //大广告招租
     @Override
     public ResultEntity getBigAdPlacement(String userId) {
         //查询用户商品销售管理数据
@@ -156,4 +156,23 @@ public class StuGoodsTradingCenterServiceImpl implements StuGoodsTradingCenterSe
 
     }
 
+    //购物车数量
+    @Override
+    public ResultEntity getNumberOfShopping(String userId) {
+
+        StuShoppingCartInfoExample cartInfoExample=new StuShoppingCartInfoExample();
+
+        cartInfoExample.createCriteria().andUserIdEqualTo(userId);
+
+        List<StuShoppingCartInfo> stuShoppingCartInfos = shoppingCartInfoMapper.selectByExample(cartInfoExample);
+        if (stuShoppingCartInfos != null && stuShoppingCartInfos.size() > 0) {
+            return new ResultEntity(HttpStatus.OK,stuShoppingCartInfos.size());
+        }else {
+            return new ResultEntity<>(HttpStatus.OK,0);
+        }
+
+
+
+    }
+
 }