springboot:servlet

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springboot

springboot servlet

Application.java
================================================
@SpringBootApplication
//支持servlet
@ServletComponentScan
public class Application {

    public static void main(String[] args) {
        // 程序启动入口
        // 启动嵌入式的 Tomcat 并初始化 Spring 环境及其各 Spring 组件
        SpringApplication.run(Application.class,args);
    }
}
================================================
TestServlet.java
================================================
@WebServlet(urlPatterns="/test/servlet", description="Servlet测试")
public class TestServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        System.out.println("run doGet");
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        System.out.println("run dopost");
        resp.setContentType("text/html");
        PrintWriter out = resp.getWriter();
        out.println("<html>");
        out.println("<head>");
        out.println("<title></title>");
        out.println("</head>");
        out.println("<body>");
        out.println("<h1>Hello World</h1>");
        out.println("</body>");
        out.println("</html>");
    }

}
================================================
TestFilter.java
================================================
@WebFilter(filterName="testFilter",urlPatterns="/*")
public class TestFilter implements Filter {

    @Override
    public void destroy() {
        System.out.println("destroy");
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response,
                         FilterChain chain) throws IOException, ServletException {
        System.out.println("doFilter");
        chain.doFilter(request, response);
    }

    @Override
    public void init(FilterConfig config) throws ServletException {
        System.out.println("init");
    }

}

================================================
TestServletContextListener.java
================================================
@WebListener
public class TestServletContextListener implements ServletContextListener {

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

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

}
================================================
TestHttpSessionListener.java
================================================
@WebListener
public class TestHttpSessionListener implements HttpSessionListener {

    //监听Session的创建与销毁

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

    @Override
    public void sessionDestroyed(HttpSessionEvent se) {
        System.out.println("ServletContex初始化");
    }

}

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springboot:upload | springboot:freemarker

2017-07-06 10:17
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