使用监听器跟踪session的生命周期和session的属性
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2013-09-12
10:00:28
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һ.ʹ ü session� �������� ����������
?? һ ʵ HttpSessionListener ӿ���������� �� �� � ڵļ Ȼ����� ���ڲ��������ļ���ࡣ ע����
??? ע��servlet API ṩ javax.servlet.http.HttpSessionListener ӿ��� �� �
ڣ������Ӧ Ự� ��������١��ýӿڶ�����������sessionCreated() sessionDestoryed(),ÿ�� ������
һ HttpSessionEvent ʵ Ҫ ṩһ��� �� ���� ���� � ���ࡣ���Ĺ��캯��
?e g public class SessionListener? implements HttpSessionListenter {��
?????????????? public?SessionListener() { };
????????????? public void sessionCreated(HttpSessionEvent event) {
?????????????????// ?? ����
???????????????? }?
?????????? public void sessionDestoryed(HttpSessionEvent event) {
?????????????????// ?? ����
???????????????? }?
}
web.xml����� ע��ü�����
????? <listener>
??????????? <listener-class>com.company.listener.SessionListener></listener-
class>
?? </listener>
???
?
. session�� ��������� ������
?? һ ʵ HttpSessionAttriburteListener ӿ���������� �� �� � ڵļ Ȼ����� ���ڲ��������ļ���
ࡣ ע����
??? ע��servlet API ṩ javax.servlet.http.HttpSessionAttriburteListener ӿ��� �� � ڣ��ýӿ
ڶ�����������attributeAdded(), attributeRemove(),attributeReplace(),
һ HttpSessionBingdingEvent ʵ Ҫ ṩһ���������� �� ��� ��� ���� � ���Ͳ ࡣ���Ĺ��캯��
?e g public class SessionAttributeListener? implements ��
HttpSessionAttributeListenter {
?????????????? public?SessionAttributeListener? () { };
????????????? public void attributeAdded(HttpSessionBindingEvent event) {
?????????????????// ?? ����
???????????????? }?
?????????? public void attributeRemove(HttpSessionBindingEvent event) {
?????????????????// ?? ����
???????????????? }?
???????? public void attributeReplace(HttpSessionBindingEvent event) {
}
web.xml����� ע��ü�����
????? <listener>
???????????
<listener-class>com.company.listener.SessionAttributeListener></listener-class>
?? </listener>
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[�ղص��ҵ ]?? xiejn 2006 06 24 18:49:00 ���ժ ������ �� �� ��
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suguoxin2014-08-07内容还好，有所帮助。- 农名叔叔2014-01-14学习了，不过不是我想要的
