diff --git a/src/main/java/com/hnucm/springboot/springboot1/dao/OrdersMapper.java b/src/main/java/com/hnucm/springboot/springboot1/dao/OrdersMapper.java
new file mode 100644
index 0000000..6fca7b3
--- /dev/null
+++ b/src/main/java/com/hnucm/springboot/springboot1/dao/OrdersMapper.java
@@ -0,0 +1,12 @@
+package com.hnucm.springboot.springboot1.dao;
+
+import com.hnucm.springboot.springboot1.model.Orders;
+import com.hnucm.springboot.springboot1.model.StuCard;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+@Mapper
+public interface OrdersMapper {
+    public List<Orders> findOrdersByPersonId(int personId);
+}
diff --git a/src/main/java/com/hnucm/springboot/springboot1/dao/PersonMapper.java b/src/main/java/com/hnucm/springboot/springboot1/dao/PersonMapper.java
new file mode 100644
index 0000000..1095c9b
--- /dev/null
+++ b/src/main/java/com/hnucm/springboot/springboot1/dao/PersonMapper.java
@@ -0,0 +1,16 @@
+package com.hnucm.springboot.springboot1.dao;
+
+import com.hnucm.springboot.springboot1.model.Person;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+@Mapper
+public interface PersonMapper {
+    public List<Person> getAllPersonStuCard();
+    public List<Person> getAllPerson();
+    //int 表示增加的条数
+    public int addPerson(Person person);
+    public int deletePerson(int id);
+    public int updatePerson(Person person);
+}
diff --git a/src/main/java/com/hnucm/springboot/springboot1/dao/StuCardMapper.java b/src/main/java/com/hnucm/springboot/springboot1/dao/StuCardMapper.java
new file mode 100644
index 0000000..5c9d3f2
--- /dev/null
+++ b/src/main/java/com/hnucm/springboot/springboot1/dao/StuCardMapper.java
@@ -0,0 +1,17 @@
+package com.hnucm.springboot.springboot1.dao;
+
+import com.hnucm.springboot.springboot1.model.Person;
+import com.hnucm.springboot.springboot1.model.StuCard;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+@Mapper
+public interface StuCardMapper {
+    //根据学生证的主键查询对应的学生证信息
+    public StuCard getStuCardById(int id);
+    //增加成功的条数
+    public int addStuCard(StuCard stuCard);
+    // 删除学生卡 根据id
+    public int deleteStuCard(int id);
+}
diff --git a/src/main/java/com/hnucm/springboot/springboot1/model/Orders.java b/src/main/java/com/hnucm/springboot/springboot1/model/Orders.java
deleted file mode 100644
index e34e4d1..0000000
--- a/src/main/java/com/hnucm/springboot/springboot1/model/Orders.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package com.hnucm.springboot.springboot1.model;
-
-import lombok.Data;
-
-import java.util.List;
-
-@Data
-public class Orders {
-    private int id;
-    private String orderinfo;
-    private int orderprice;
-    private int personid;
-    private List<Product> productList;
-
-}
diff --git a/src/main/java/com/hnucm/springboot/springboot1/model/Person.java b/src/main/java/com/hnucm/springboot/springboot1/model/Person.java
deleted file mode 100644
index 134d520..0000000
--- a/src/main/java/com/hnucm/springboot/springboot1/model/Person.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package com.hnucm.springboot.springboot1.model;
-
-import lombok.Data;
-
-import java.util.List;
-
-@Data
-public class Person {
-    private int id;
-    private String name;
-    private int age;
-    private StuCard stuCard;
-    private List<Orders> ordersList;
-}
diff --git a/src/main/java/com/hnucm/springboot/springboot1/model/Product.java b/src/main/java/com/hnucm/springboot/springboot1/model/Product.java
deleted file mode 100644
index f419ac6..0000000
--- a/src/main/java/com/hnucm/springboot/springboot1/model/Product.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package com.hnucm.springboot.springboot1.model;
-
-import lombok.Data;
-
-@Data
-public class Product {
-    private int id;
-    private String productname;
-    private String productprice;
-}
diff --git a/src/main/java/com/hnucm/springboot/springboot1/model/StuCard.java b/src/main/java/com/hnucm/springboot/springboot1/model/StuCard.java
deleted file mode 100644
index eaccfc8..0000000
--- a/src/main/java/com/hnucm/springboot/springboot1/model/StuCard.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package com.hnucm.springboot.springboot1.model;
-
-import lombok.Data;
-
-@Data
-public class StuCard {
-    private int id;
-    private String stuid;
-    private String classname;
-}
diff --git a/src/main/java/com/hnucm/springboot/springboot1/model/User.java b/src/main/java/com/hnucm/springboot/springboot1/model/User.java
deleted file mode 100644
index ab69313..0000000
--- a/src/main/java/com/hnucm/springboot/springboot1/model/User.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package com.hnucm.springboot.springboot1.model;
-
-import lombok.Data;
-// Data set+ get
-@Data
-public class User {
-    private int id;
-    private String name;
-    private int age;
-}
diff --git a/src/main/java/com/hnucm/springboot/springboot1/service/impl/PersonServiceImpl.java b/src/main/java/com/hnucm/springboot/springboot1/service/impl/PersonServiceImpl.java
index 7fe6063..be2e1b5 100644
--- a/src/main/java/com/hnucm/springboot/springboot1/service/impl/PersonServiceImpl.java
+++ b/src/main/java/com/hnucm/springboot/springboot1/service/impl/PersonServiceImpl.java
@@ -13,10 +13,10 @@ import java.util.List;
 @Service
 public class PersonServiceImpl implements PersonService {
     @Autowired
-    private PersonMapper personMapper2;
+    private PersonMapper personMapper3;
 
     @Autowired
-    StuCardMapper stuCardMapper2;
+    StuCardMapper stuCardMapper3;
 
     @Override
     public List<Person> getAllPerson() {
@@ -29,7 +29,7 @@ public class PersonServiceImpl implements PersonService {
         stuCardMapper.addStuCard(person.getStuCard());
         return personMapper.addPerson(person);
     }
-    // 事务  -》 增删改 多张表 同时操作
+
     @Transactional
     @Override
     public int deletePerson(int id, int stuid) {