事务

# 事务

给开启事务的函数添加@Transactional
在配置类中开启@EnableTransactionManagement
在jdbcConfig中配置事务

以下是银行转账的经典案例

public interface AccountService {  
    @Transactional  
    void transfer(String in,String out,int money);  
}

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@Configuration  
@ComponentScan("com.project")  
@Import({jdbcConfig.class,MyBatisConfig.class})  
@PropertySource("jdbc.properties")  
@EnableTransactionManagement  
public class SpringConfig {  
}

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//jdbcConfig.class
@Bean  
public PlatformTransactionManager getPlatformTransactionManager(DataSource dataSource){  
    DataSourceTransactionManager dtm = new DataSourceTransactionManager();  
    dtm.setDataSource(dataSource);  
    return dtm;  
}

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