spring.datasource.prod.driverClassName=com.mysql.jdbc.Driver
spring.datasource.prod.url=jdbc:mysql://127.0.0.1:3306/prod
spring.datasource.prod.username=root
spring.datasource.prod.password=123456

spring.datasource.dev.driverClassName=com.mysql.jdbc.Driver
spring.datasource.dev.url=jdbc:mysql://127.0.0.1:3306/dev
spring.datasource.dev.username=root
spring.datasource.dev.password=123456

@Configuration
public class JdbcConfig {

}

@Bean
@Primary
@ConfigurationProperties(prefix = "spring.datasource.prod")
public DataSource prodDataSource(){
 return DataSourceBuilder.create().build();
}

@Bean
@ConfigurationProperties(prefix = "spring.datasource.dev")
public DataSource devDataSource(){
 return DataSourceBuilder.create().build();
}

@Bean
public JdbcOperations prodJdbcOperations(DataSource prodDataSource) {
 return new JdbcTemplate(prodDataSource);
}

@Bean
public JdbcOperations devJdbcOperations(DataSource devDataSource) {
 return new JdbcTemplate(devDataSource);
}

 @Autowired
 private JdbcOperations devJdbcOperations;

 @Autowired
 private JdbcOperations prodJdbcOperations;

@EnableTransactionManagement

@Bean
public PlatformTransactionManager prodTransactionManager(DataSource prodDataSource) {
 return new DataSourceTransactionManager(prodDataSource);
}

@Bean
public PlatformTransactionManager devTransactionManager(DataSource sitDataSource) {
 return new DataSourceTransactionManager(sitDataSource);
}

@Transactional(value = "prodTransactionManager")
public void prod() {
 prodJdbcOperations.queryForList("SELECT * FROM USER");
}

@Transactional(value = "devTransactionManager")
public void dev() {
 devJdbcOperations.queryForList("SELECT * FROM USER");
}