spring基础事务管理注解@Transactional

<dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.3.6.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>commons-logging</groupId>
            <artifactId>commons-logging</artifactId>
            <version>1.2</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>4.3.6.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.47</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.3.6.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>aopalliance</groupId>
            <artifactId>aopalliance</artifactId>
            <version>1.0</version>
        </dependency>

package com.shrimpking;

/**
 * Created by IntelliJ IDEA.
 *
 * @Author : Shrimpking
 * @create 2023/7/6 15:43
 */
public class User
{
    private Integer id;
    private String username;
    private String password;
    private Integer jf;

    public Integer getId()
    {
        return id;
    }

    public void setId(Integer id)
    {
        this.id = id;
    }

    public String getUsername()
    {
        return username;
    }

    public void setUsername(String username)
    {
        this.username = username;
    }

    public String getPassword()
    {
        return password;
    }

    public void setPassword(String password)
    {
        this.password = password;
    }

    public Integer getJf()
    {
        return jf;
    }

    public void setJf(Integer jf)
    {
        this.jf = jf;
    }

    @Override
    public String toString()
    {
        return "User{" + "id=" + id + ", username='" + username + '\'' + ", password='" + password + '\'' + ", jf=" + jf + '}';
    }
}

package com.shrimpking;

/**
 * Created by IntelliJ IDEA.
 *
 * @Author : Shrimpking
 * @create 2023/7/6 15:44
 */
public interface UserDao
{
    public void transfer(String outUser,String inUser,Integer jf);
}

package com.shrimpking;

import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.transaction.annotation.Isolation;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

/**
 * Created by IntelliJ IDEA.
 *
 * @Author : Shrimpking
 * @create 2023/7/6 15:44
 */
public class UserDaoImpl implements UserDao
{
    private JdbcTemplate jdbcTemplate;

    public void setJdbcTemplate(JdbcTemplate jdbcTemplate)
    {
        this.jdbcTemplate = jdbcTemplate;
    }


    @Transactional(propagation = Propagation.REQUIRED,isolation = Isolation.DEFAULT,readOnly = false)
    @Override
    public void transfer(String outUser, String inUser, Integer jf)
    {
        String sql1 = "update aa_user set jf=jf+? where username=?";
        this.jdbcTemplate.update(sql1,jf,inUser);
        String sql2 = "update aa_user set jf=jf-? where username=?";
        this.jdbcTemplate.update(sql2,jf,outUser);
    }
}

<?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:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">

    <!-- 配置数据源   -->
    <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/test??useUnicode=true&characterEncoding=utf-8&useSSL=false&serverTimeZone=UTC"/>
        <property name="username" value="root"/>
        <property name="password" value="mysql123"/>

    </bean>
    <!-- jdbc   -->
    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <!--  注入  -->
    <bean id="userDao" class="com.shrimpking.UserDaoImpl">
        <property name="jdbcTemplate" ref="jdbcTemplate"/>
    </bean>

    <!-- 事务管理器   -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <!--  事务驱动  -->
    <tx:annotation-driven transaction-manager="transactionManager"/>

</beans>

import com.shrimpking.UserDao;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 * Created by IntelliJ IDEA.
 *
 * @Author : Shrimpking
 * @create 2023/7/6 15:59
 */
public class TransactionTest
{
    @Test
    public void annotationTest()
    {
        ApplicationContext context
                = new ClassPathXmlApplicationContext("applicationContext.xml");
        UserDao userDao = context.getBean("userDao", UserDao.class);
        userDao.transfer("zhang","li",200);
        System.out.println("送出积分成功");

    }
}