~~~ /** * 事务控制的配置类 * @author Administrator * */ public class TransactionManager { @Bean(name="transactionManager") public PlatformTransactionManager createTransactionManager(DataSource dataSource){ return new DataSourceTransactionManager(dataSource); } } ~~~ ~~~ /** * 连接数据库的配置类 * @author Administrator * */ @PropertySource("classpath:db.properties") public class JdbcConfig { @Bean(name = "jdbcTemplate") public JdbcTemplate createJdbcTemplate(DataSource dataSource) { return new JdbcTemplate(dataSource); } @Bean(name = "dataSource") public DataSource createDataSource(@Value("${jdbc.driverClass}") String driver, @Value("${jdbc.jdbcUrl}") String url, @Value("${jdbc.user}") String user, @Value("${jdbc.password}") String password) { DriverManagerDataSource ds = new DriverManagerDataSource(); ds.setDriverClass(driver); ds.setJdbcUrl(url); ds.setUser(user); ds.setPassword(password); return ds; } } ~~~ ~~~ /** * spring的配置类 作用就是当bean.xml用 * @author Administrator * */ @Configuration @ComponentScan("cn.li") @Import({JdbcConfig.class,TransactionManager.class}) @EnableTransactionManagement public class SpringConfiguration { @Bean public static PropertySourcesPlaceholderConfigurer createPropertySourcesPlaceholderConfigurer(){ return new PropertySourcesPlaceholderConfigurer(); } } 注意：一定要加这个：不然会报错： Could not load driverClass ${jdbc.driverClass} @Bean public static PropertySourcesPlaceholderConfigurer createPropertySourcesPlaceholderConfigurer(){ return new PropertySourcesPlaceholderConfigurer(); } ~~~ [代码位置](https://gitee.com/limiao11/springframework/tree/master/spring_tx_anno)