Spring启动后执行

方法一:

实现BeanPostProcessor接口:

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1. public class InstantiationTracingBeanPostProcessor implements BeanPostProcessor {
2. public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
3. return bean;
4. }
5. public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
6. return bean;
7. }
8. }

在配置文件中添加:

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1. <bean class="processor.InstantiationTracingBeanPostProcessor"/>

方法二:

实现InitializingBean接口:

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1. public class SysInitBean implements InitializingBean, ServletContextAware {
2. public void afterPropertiesSet() throws Exception {
3. }
4. @Override
5. public void setServletContext(ServletContext servletContext) {
6. }
7. }

在配置文件中添加:

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1. <bean class="processor.SysInitBean"/>

方法三:

实现ServletContextListener:

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1. public class RedisInitListener implements ServletContextListener {
2. @Override
3. public void contextDestroyed(ServletContextEvent sce) {
4. }
5. @Override
6. public void contextInitialized(ServletContextEvent sce) {
7. //WebApplicationContext wa = WebApplicationContextUtils.getWebApplicationContext(sce.getServletContext());
8. ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml");
9. }
10. }

在web.xml中添加listener:

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1. <listener>
2. <listener-class>listener.RedisInitListener</listener-class>
3. </listener>