wl task3

src/main/java/com/hnucm/springboot/springboot1/dao/OrdersMapper.java

@@ -1,12 +0,0 @@
-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);
-}

src/main/java/com/hnucm/springboot/springboot1/dao/PersonMapper.java

@@ -1,16 +0,0 @@
-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);
-}

src/main/java/com/hnucm/springboot/springboot1/dao/StuCardMapper.java

@@ -1,17 +0,0 @@
-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);
-}

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 personMapper3;
+    private PersonMapper personMapper2;
 
     @Autowired
-    StuCardMapper stuCardMapper3;
+    StuCardMapper stuCardMapper2;
 
     @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) {