mybatis project change3

mybatis_train/src/main/java/com/mapper/AccountMapper.java

@@ -1,11 +1,13 @@
 package com.mapper;
 
 import com.pojo.entity.AccountEntity;
+import org.apache.ibatis.annotations.Mapper;
+import org.springframework.stereotype.Component;
 import org.springframework.stereotype.Repository;
 
 import java.util.List;
 
-@Repository
+@Mapper
 public interface AccountMapper {
     List<AccountEntity> findAll(Integer id);
     void updateOne(AccountEntity accountEntity);

mybatis_train/src/main/java/com/service/impl/AccountServiceImpl.java

@@ -0,0 +1,7 @@
+package com.service.impl;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class AccountServiceImpl {
+}

mybatis_train/src/main/resources/SpringConfig.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:context="http://www.springframework.org/schema/context"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans
+       http://www.springframework.org/schema/beans/spring-beans.xsd
+       http://www.springframework.org/schema/context
+       https://www.springframework.org/schema/context/spring-context.xsd">
+    <!--    <bean id="userService1" class="com.service.impl.UserServiceImpl">-->
+    <!--&lt;!&ndash;        <constructor-arg name="userDao" ref="UserDao"></constructor-arg>&ndash;&gt;-->
+    <!--    </bean>-->
+    <!--    加载外部 properties文件-->
+    <!--    <context:property-placeholder location="jdbc.properties"></context:property-placeholder>-->
+    <!--    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">-->
+    <!--        <property name="driverClassName" value="${jdbc.driver}"></property>-->
+    <!--        <property name="url" value="${jdbc.url}"></property>-->
+    <!--        <property name="username" value="${jdbc.username}"></property>-->
+    <!--        <property name="password" value="${jdbc.password}"></property>-->
+    <!--    </bean>-->
+    <!--    组件扫描-->
+    <context:component-scan base-package="com"></context:component-scan>
+</beans>

mybatis_train/src/main/resources/mapper/AccountMapper.xml

@@ -2,8 +2,6 @@
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 
 <mapper namespace="com.mapper.AccountMapper">
-
-
     <select id="findAll" resultType="account"
             parameterType="java.lang.Integer"
     >

mybatis_train/src/test/java/Test1.java

@@ -14,21 +14,23 @@ public class Test1 {
     public void test() throws IOException {
         InputStream resourceAsStream = Resources.getResourceAsStream("mybatisConfig.xml");
         SqlSessionFactory sqlSessionFactoryBuilder = new SqlSessionFactoryBuilder().build(resourceAsStream);
-        SqlSession sqlSession = sqlSessionFactoryBuilder.openSession();
+        SqlSession sqlSession = sqlSessionFactoryBuilder.openSession(true);
         // 查询
     //    List<AccountEntity> objects = sqlSession.selectList("com.mapper.AccountMapper.findAll");
         // 插入
-        AccountEntity accountEntity = new AccountEntity();
-        accountEntity.setUser_name("这");
-        accountEntity.setBalance(70.4);
-        sqlSession.insert("com.mapper.AccountMapper.insertOne",accountEntity);
+//        AccountEntity accountEntity = new AccountEntity();
+//        accountEntity.setUser_name("这");
+//        accountEntity.setBalance(70.4);
+//        sqlSession.insert("com.mapper.AccountMapper.insertOne",accountEntity);
         AccountEntity updateEntity = new AccountEntity();
         updateEntity.setId(9);
         updateEntity.setUser_name("我是");
         updateEntity.setBalance(100.0);
-        sqlSession.update("com.mapper.AccountMapper.updateOne",updateEntity);
+         // namespace + functionName
+        sqlSession.update("accountMapper.updateOne",updateEntity);
         // mybatis 如果执行了更新操作需要提交事务
-        sqlSession.commit();
+//        sqlSession.commit();
+        sqlSession.rollback();
         sqlSession.close();
     }
 }

mybatis_train/src/test/java/Test2.java

@@ -0,0 +1,16 @@
+import com.mapper.AccountMapper;
+import com.service.impl.AccountServiceImpl;
+import org.junit.Test;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+public class Test2 {
+    @Test
+    public void testDemo() {
+//        ClassPathXmlApplicationContext classPathXmlApplicationContext =
+//                new ClassPathXmlApplicationContext("SpringConfig.xml");
+        AnnotationConfigApplicationContext annotationConfigApplicationContext = new AnnotationConfigApplicationContext();
+        annotationConfigApplicationContext.refresh();
+        AccountServiceImpl bean = annotationConfigApplicationContext.getBean(AccountServiceImpl.class);
+    }
+}