@Configuration
    @MapperScan(value="com.mapper1.map",
   SqlSessionFactoryRef="sqlSessionFactory1")
   public class AppConfig {
    @Bean
    public DataSource getDataSource1() {
       BasicDataSource dataSource = new BasicDataSource();
       dataSource.setDriverClassName("com.mysql.jdbc.Driver");
       dataSource.setUrl("jdbc:mysql://localhost:3306/database1");
       dataSource.setUsername("user");
       dataSource.setPassword("pw");
       return dataSource;
   }
   @Bean
   public DataSourceTransactionManager transactionManager1() {
       return new DataSourceTransactionManager(getDataSource1());
   }
   @Bean
   public SqlSessionFactory sqlSessionFactory1() throws Exception {
      SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
      sessionFactory.setDataSource(getDataSource1());
      return sessionFactory.getObject();
   }
}

    @Configuration
   @MapperScan(value="com.mapper2.map",
   SqlSessionFactoryRef="sqlSessionFactory2")
   public class AppConfig {
    @Bean
    public DataSource getDataSource2() {
       BasicDataSource dataSource = new BasicDataSource();
       dataSource.setDriverClassName("com.mysql.jdbc.Driver");
       dataSource.setUrl("jdbc:mysql://localhost:3307/database2");
       dataSource.setUsername("user");
       dataSource.setPassword("pw");
       return dataSource;
   }
   @Bean
   public DataSourceTransactionManager transactionManager2() {
       return new DataSourceTransactionManager(getDataSource2());
   }
   @Bean
   public SqlSessionFactory sqlSessionFactory2() throws Exception {
      SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
      sessionFactory.setDataSource(getDataSource2());
      return sessionFactory.getObject();
   }
}