ssm 框架 dao层动态加载

public class SpringDynamicLoad {
	
	/**
	 * spring-mybatis mapper动态加载
	 * @param app Spring初始化时创建的容器
	 * @param basePackage  需要重新扫描的包
	 * @author lxycx-xc
	 * 创建时间：2017年9月29日
	 *
	 */
	public static void mybatisMapper(ApplicationContext app,String basePackage){
		BeanFactory beanFactory = app.getAutowireCapableBeanFactory();
		
		BeanDefinitionRegistryPostProcessor pp = app.getBean("org.mybatis.spring.mapper.MapperScannerConfigurer#0", BeanDefinitionRegistryPostProcessor.class);
		MapperScannerConfigurer mapper = (MapperScannerConfigurer) pp;
		
		mapper.setApplicationContext(app);
		mapper.setAddToConfig(true);
		mapper.setBasePackage(basePackage);
		
		BeanDefinitionRegistry registry = (BeanDefinitionRegistry) beanFactory;
		mapper.postProcessBeanDefinitionRegistry(registry);
	}
	
}