Spring框架JdbcTemplate数据库事务管理完全注解方式

<?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"
       xmlns:aop="http://www.springframework.org/schema/aop"
       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/context http://www.springframework.org/schema/context/spring-context.xsd
                           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
                           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
    <context:component-scan base-package="com.pingguo.spring5"></context:component-scan>
    <!--引入外部属性文件-->
    <context:property-placeholder location="classpath:jdbc.properties"/>
    <!--配置连接池-->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
        <property name="driverClassName" value="${prop.driverClass}"></property>
        <property name="url" value="${prop.url}"></property>
        <property name="username" value="${prop.username}"></property>
        <property name="password" value="${prop.password}"></property>
    </bean>
    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
        <!--注入datasource-->
        <property name="dataSource" ref="dataSource"></property>
    </bean>
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!--注入数据源-->
        <property name="dataSource" ref="dataSource"></property>
    </bean>
    <!--开启事务注释-->
    <tx:annotation-driven transaction-manager="transactionManager"></tx:annotation-driven>
</beans>

package com.pingguo.spring5.config;
import com.alibaba.druid.pool.DruidDataSource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import javax.sql.DataSource;
@Configuration  // 声明配置类
@ComponentScan(basePackages = "com.pingguo.spring5")  // 开启注解扫描
@EnableTransactionManagement  // 开启事务
public class TxConfig {
    // 创建数据库连接池
    @Bean
    public DruidDataSource getDruidDataSource() {
        DruidDataSource druidDataSource = new DruidDataSource();
        druidDataSource.setDriverClassName("com.mysql.jdbc.Driver");
        druidDataSource.setUrl("jdbc:mysql://223.31.222.111:3306/shop");
        druidDataSource.setUsername("root");
        druidDataSource.setPassword("123456");
        return druidDataSource;
    }
    // 创建 JdbcTemplate 对象
    @Bean
    public JdbcTemplate getJdbcTemplate(DataSource dataSource) {
        JdbcTemplate jdbcTemplate = new JdbcTemplate();
        // 注入 dataSource
        jdbcTemplate.setDataSource(dataSource);
        return jdbcTemplate;
    }
    // 创建事务管理器的对象
    @Bean
    public DataSourceTransactionManager getDataSourceTransactionManager(DataSource dataSource) {
        DataSourceTransactionManager transactionManager = new DataSourceTransactionManager();
        transactionManager.setDataSource(dataSource);
        return transactionManager;
    }
}

public class TestTrans {
    @Test
    public void testJdbc() {
        ApplicationContext context =
                new AnnotationConfigApplicationContext(TxConfig.class);
        UserService userService = context.getBean("userService", UserService.class);
        userService.accountMoney();
    }
}

八月 08, 2021 8:49:35 上午 com.alibaba.druid.pool.DruidDataSource info
信息: {dataSource-1} inited
Process finished with exit code 0