springboot 详解 (六）servlet & scheduled & listener

最新推荐文章于 2023-05-25 17:20:24 发布

最新推荐文章于 2023-05-25 17:20:24 发布 · 143 阅读

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#springboot #详解 #servlet #scheduled #listener

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本文详细介绍了 Spring Boot 的核心组件与应用场景，包括 Servlet、定时任务、会话监听等特性，并提供了具体示例代码。此外，还展示了如何通过 Spring Boot 实现与 Dubbo 和 Zookeeper 的集成。

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springboot 详解（一） helloworld 下载demo

springboot 详解（二） crud 下载demo

springboot 详解 (三）多数据源下载demo

springboot 详解 (四）redis & filter 下载demo

springboot 详解 (五）interceptor 下载demo

springboot 详解 (六）servlet & scheduled & listener 下载demo

springboot 详解（七） dubbox & zookeeper 下载（productor）下载（constumser）

springboot 同步解耦异步化下载demo

springboot jenkins docker 部署

springboot 详解（八） springboot & springcloud

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import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

 
@WebServlet(urlPatterns="/webservlet/weixin", description="Servlet的说明") 
public class WeixinServlet extends HttpServlet{

    private static final long serialVersionUID = -8685285401859800066L;

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        resp.sendRedirect("/SpringBootWebDemo/web/static/forward"); 
    }

}

@ServletComponentScan // servlet 自动扫描

@EnableTransactionManagement  //事务自动扫描
@SpringBootApplication 
@ServletComponentScan  // servlet 自动扫描 
public class SpringBootSampleApplication {

    
     
    
    public static void main(String[] args) {
        SpringApplication.run(SpringBootSampleApplication.class, args);
    }


}

@Configuration
@EnableScheduling 
public class SchedulerTask {
    
    private final Logger logger = LoggerFactory.getLogger(SchedulerTask.class);

    @Scheduled(cron = "0/2 * * * * ?")  
    public void scheduler() {
        logger.info("===================== scheduled ====================");
    }


}

@WebListener
public class ServerHttpSessionListener implements HttpSessionListener {

    @Override
    public void sessionCreated(HttpSessionEvent se) {
        System.out.println("Session 被创建");

        
    }

    @Override
    public void sessionDestroyed(HttpSessionEvent se) {
        System.out.println("Session 被销毁"); 
        
    }

    
}

@WebListener
public class ServerServletContextListener implements ServletContextListener{

    @Override
    public void contextInitialized(ServletContextEvent sce) {
        System.out.println("ServletContex初始化");

        
    }

    @Override
    public void contextDestroyed(ServletContextEvent sce) {
        System.out.println("ServletContex销毁");

        
    }

  
}