usersessionevent.java

JSP+SQL2005 MVC模式 下载后改DB.java类的SQL密码就可用。

package com.model.listener;

import javax.servlet.http.HttpSessionBindingEvent;


public class UserSessionEvent implements javax.servlet.http.HttpSessionBindingListener {
  private String user;
  private UserList container = UserList.getInstance();


  public UserSessionEvent() {
    user = "";
  }

  public void setUser(String user) {
    this.user = user;
  }

  public String getUser() {
    return this.user;
  }

  public void valueBound(HttpSessionBindingEvent arg0) {
    System.out.println("上线" + this.user);

  }

  public void valueUnbound(HttpSessionBindingEvent arg0) {
    System.out.println("下线" + this.user);
    if (user != "") {
  container.removeUserList(user);
    }
  }

}