session監聽初次訪問的時候會生成session放在cookie裡

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tomcat8+spring4

public class SessionHelpListen implements HttpSessionListener 
{
	private final String FORMAT = "yy-MM-dd HH:mm:ss";
	public void sessionCreated(HttpSessionEvent sce) 
	{
		System.out.println("建立session:"+DateUtil.getStringNowTime(new Date(),FORMAT));
		WebApplicationContext appctx = WebApplicationContextUtils.getWebApplicationContext(sce.getSession().getServletContext());
		SessionTestService asi = (SessionTestService)appctx.getBean("test");
		SessionTest st = new SessionTest();
		st.setUpdateTime(DateUtil.getStringNowTime(new Date(),FORMAT));
		st.setSessionId(sce.getSession().getId());
		asi.insertSessionMsg(st);
	}
	
	public void sessionDestroyed(HttpSessionEvent sce) 
	{
		System.out.println("銷燬session:"+DateUtil.getStringNowTime(new Date(),FORMAT));
		WebApplicationContext appctx = WebApplicationContextUtils.getWebApplicationContext(sce.getSession().getServletContext());
		SessionTestService asi = (SessionTestService)appctx.getBean("test");
		SessionTest st = new SessionTest();
		st.setSessionId(sce.getSession().getId());
		asi.deleteSessionMsg(st);
	}
}