spring下春注解的声明式事务控制

package com.hope.test;

import com.hope.domain.Account;
import com.hope.service.IAccountService;
import config.SpringConfiguration;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.ComponentScans;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import java.util.List;

/**
 * @author newcityman
 * @date 2019/11/20 - 17:05
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = SpringConfiguration.class)
public class AccountTest {
    @Autowired
    private IAccountService accountService;

    @Test
    public void testTranfer(){
        accountService.transfer("aaa","bbb",100f);
    }
}

package config;

import org.springframework.context.annotation.*;
import org.springframework.transaction.annotation.EnableTransactionManagement;

/**
 * @author newcityman
 * @date 2019/11/25 - 20:22
 * spring的配置类，相当于bean.xml
 */
@Configuration
@ComponentScan("com.hope")
@Import({JdbcConfig.class,TransactionConfig.class})
@PropertySource("jdbcConfig.properties")
@EnableTransactionManagement
public class SpringConfiguration {
}

package config;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DriverManagerDataSource;

import javax.sql.DataSource;

/**
 * @author newcityman
 * @date 2019/11/25 - 20:24
 * 与连接数据库相关的配置类
 */

public class JdbcConfig {

    @Value("${jdbc.driver}")
    private String driver;

    @Value("${jdbc.url}")
    private String url;

    @Value("${jdbc.username}")
    private String username;

    @Value("${jdbc.password}")
    private String password;

    /**
     * 创建jdbcTemplate对象
     *
     * @param dataSource
     * @return
     */
    @Bean(name = "jdbcTemplate")
    public JdbcTemplate createJdbcTemplate(DataSource dataSource) {
        return new JdbcTemplate(dataSource);
    }

    /**
     * 创建数据源
     *
     * @return
     */
    @Bean(name = "dataSource")
    public DataSource createDataSource() {
        DriverManagerDataSource ds = new DriverManagerDataSource();
        ds.setDriverClassName(driver);
        ds.setUrl(url);
        ds.setUsername(username);
        ds.setPassword(password);
        return ds;
    }
}

package config;

import org.springframework.context.annotation.Bean;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;

import javax.sql.DataSource;

/**
 * @author newcityman
 * @date 2019/11/25 - 20:48
 */
public class TransactionConfig {
    /**
     * 用于创建事务管理器对象
     * @param dataSource
     * @return
     */
    @Bean(name="transactionManager")
    public PlatformTransactionManager createTransactionManager(DataSource dataSource){
        return new DataSourceTransactionManager(dataSource);
    }
}

//jdbcConfig.properties文件

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/easy
jdbc.username=root
jdbc.password=123