分类：
2008-09-09 16:49:33
首先写个类:
import javax.servlet.*;
import javax.servlet.http.*;
public class SessionCounter implements HttpSessionListener {
private static int activeSessions = 0;
public void sessionCreated(HttpSessionEvent se) {
activeSessions++;
}
public void sessionDestroyed(HttpSessionEvent se) {
if(activeSessions > 0)
activeSessions--;
}
public static int getActiveSessions() {
return activeSessions;
}
}
然后配置web.xml
xmlns="" xmlns:xsi="" xsi:schemaLocation=" "> **************************************** SessionCount.SessionCounter (注意此处) *****************************************
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