Spring事务&Spring整合MyBatis的两种方式

<!--  Spring Web MVC  -->
<!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc -->
<dependency>
  <groupId>org.springframework</groupId>
  <artifactId>spring-webmvc</artifactId>
  <version>5.3.23</version>
</dependency>

<!--  MyBatis 依赖  -->
<dependency>
  <groupId>org.mybatis</groupId>
  <artifactId>mybatis</artifactId>
  <version>3.5.5</version>
</dependency>

<!--  spring操作数据库  -->
<!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->
<dependency>
  <groupId>org.springframework</groupId>
  <artifactId>spring-jdbc</artifactId>
  <version>5.3.23</version>
</dependency>

<!--  mybatis整合spring  -->
<!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring -->
<dependency>
  <groupId>org.mybatis</groupId>
  <artifactId>mybatis-spring</artifactId>
  <version>2.0.6</version>
</dependency>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans                https://www.springframework.org/schema/beans/spring-beans.xsd">
  <import resource="classpath:Spring-dao.xml"/>
  <bean id="userMapperImpl" class="com.yuqu.dao.UserMapperImpl">
    <property name="sqlSession" ref="sqlSession"/>
  </bean>
</beans>

<?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:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
https://www.springframework.org/schema/beans/spring-beans.xsd                    http://www.springframework.org/schema/aop                  https://www.springframework.org/schema/aop/spring-aop.xsd">
  <!--  配置数据源  使用spring内置的数据源替换掉mybatis的datasource  -->
  <bean id="datasource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
    <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
    <property name="url"value="jdbc:mysql://localhost:3306/sqltest?useSSL=true&amp;useUnicode=true&amp;characterEncoding=UTF-8&amp;serverTimezone=UTC"/>
    <property name="username" value="root"/>
    <property name="password" value="123456"/>
  </bean>
  <!--  配置sqlSessionFactory  -->
  <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    <property name="dataSource" ref="datasource"/>
    <!--   绑定mybatis配置文件     -->
    <property name="configLocation" value="classpath:mybatis-config.xml"/>
    <!--     映射器  注册mapper.xml文件   -->
    <property name="mapperLocations" value="classpath:com/yuqu/dao/*.xml"/>
  </bean>
  <!--  配置sqlsession  -->
  <bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate">
    <!--      只能选择构造器注入sqlSessionFactory  没有SqlSessionTemplate提供set方法  -->
    <constructor-arg name="sqlSessionFactory" ref="sqlSessionFactory"/>
  </bean>
</beans>

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "https://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
  <!--  mybatis中留下设置  -->
  <settings>
    <!-- 日志实现 -->
    <setting name="logImpl" value="STDOUT_LOGGING"/>
    <!-- 驼峰映射 -->
    <setting name="mapUnderscoreToCamelCase" value="true"/>
  </settings>
  <!--  别名管理  -->
  <typeAliases>
    <package name="com.yuqu.pojo"/>
  </typeAliases>
</configuration>

// SqlSessionDaoSupport继承类
public class UserMapperImpl2 extends SqlSessionDaoSupport implements UserMapper{
  public List<User> getUserList() {
   return getSqlSession().getMapper(UserMapper.class).getUserList();
  }
}
// 将该类映射到spring容器中
<bean id="UserMapperImpl2" class="com.yuqu.dao.UserMapperImpl2">
  <property name="sqlSessionTemplate" ref="sqlSession"/>
  <property name="sqlSessionFactory" ref="sqlSessionFactory"/>
  </bean>

@Test
public void test02(){
  ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");
  UserMapper impl2 = context.getBean("UserMapperImpl2", UserMapper.class);
  List<User> userList = impl2.getUserList();
  for (User user : userList) {
    System.out.println(user);
  }
}

<!--  开启事务管理功能  -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
  <constructor-arg ref="datasource" />
</bean>
<!--  结合aop织入事务  -->
<!--  需要导入支持事务的头文件  <tx:... > -->
<!--  配置事务通知advice  -->
<tx:advice id="adviceTransaction" transaction-manager="transactionManager">
  <!--     给那些方法配置事务
    事务传播特性 propagation 常用下面两种：
       REQUIRED表示  支持当前事务，如果当前没有事务，就以非事务方式执行。
       NESTED：支持当前事务，如果当前事务存在，则执行一个嵌套事务，如果当前没有事务，就新建一个事务。
-->
<tx:attributes>
    <!-- 
<tx:method name="getUserList" propagation="REQUIRED"/>
<tx:method name="deleteUser" propagation="REQUIRED"/><tx:method name="insertUser" propagation="REQUIRED"/>
-->
    <tx:method name="*" propagation="REQUIRED"/>
    <!--            <tx:method name="*"/>-->
  </tx:attributes>
</tx:advice>

<!--  配置事务切入  pointcut  -->
<aop:config>
  <aop:pointcut id="pointcut" expression="execution(* com.yuqu.dao.*.*(..))"/>
  <aop:advisor advice-ref="adviceTransaction" pointcut-ref="pointcut"/>
</aop:config>