JSP实现在线聊天室

JSP+SQL Server2000 附有数据库与完整代码，源于《JSP数据库系统开发完全手册》。

package com.bwm.login;
import javax.servlet.http.HttpSessionBindingListener;
import javax.servlet.http.HttpSessionBindingEvent;
import javax.servlet.ServletContext;
import java.util.*;
public class login implements HttpSessionBindingListener{
	private String username=null;
	private boolean quit=false;
        private ServletContext application;
 public login（ServletContext applicationString username）{
    this.application=application;
    this.username=username;
 }
public void valueBound（HttpSessionBindingEvent event）{
    if（application.getAttribute（“userList“）!=null）{
        Vector userList=（Vector）application.getAttribute（“userList“）;
        userList.addElement（username）;
        application.setAttribute（“userList“ userList）;
    }
    Vector message;
    if（appl

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    ......R      3275  2006-02-28 16:02  liaotian\WEB-INF\classes\Str.java

    ......R      1801  2006-02-28 16:02  liaotian\WEB-INF\classes\com\bwm\login\login.class

    ......R       508  2006-02-28 16:02  liaotian\WEB-INF\classes\com\bwm\login\user.class

    ......R      2029  2006-02-28 16:02  liaotian\WEB-INF\classes\com\bwm\string\Str.class

    ......R      1863  2006-02-28 16:02  liaotian\WEB-INF\classes\login.java

    ......R       437  2006-02-28 16:02  liaotian\WEB-INF\classes\user.java

    ......R       428  2006-02-28 16:02  liaotian\WEB-INF\classes\user.txt

    ......R       217  2006-02-28 16:02  liaotian\WEB-INF\web.xml

    ......R      5308  2006-02-28 16:02  liaotian\bottom.jsp

    ......R       889  2006-02-28 16:02  liaotian\chat.jsp

    ......R   1179648  2006-02-28 16:02  liaotian\database\db_login_Data.MDF

    ......R   1048576  2006-02-28 16:02  liaotian\database\db_login_Log.LDF

    ......R     30609  2006-02-28 16:02  liaotian\images\liaotian.gif

    ......R       486  2006-02-28 16:02  liaotian\include.inc

    ......R      1082  2006-02-28 16:02  liaotian\leave.jsp

    ......R       627  2006-02-28 16:02  liaotian\login.html

    ......R      2203  2006-02-28 16:02  liaotian\login.jsp

    ......R      3545  2006-02-28 16:02  liaotian\main.jsp

    ......R      1387  2006-02-28 16:02  liaotian\right.jsp

    ......R      1812  2006-02-28 16:02  liaotian\style.css

    ......R       125  2006-02-28 16:02  liaotian\top.jsp

    ......R       851  2006-02-28 16:02  liaotian\zhuce.html

    ......R      2008  2006-02-28 16:02  liaotian\zhuce.jsp

    ...D..R         0  2006-02-28 16:05  liaotian\WEB-INF\classes\com\bwm\login

    ...D..R         0  2006-02-28 16:05  liaotian\WEB-INF\classes\com\bwm\string

    ...D..R         0  2006-02-28 16:05  liaotian\WEB-INF\classes\com\bwm

    ...D..R         0  2006-02-28 16:05  liaotian\WEB-INF\classes\com

    ...D..R         0  2006-02-28 16:05  liaotian\WEB-INF\classes

    ...D..R         0  2006-02-28 16:05  liaotian\WEB-INF

    ...D..R         0  2006-02-28 16:05  liaotian\database

............此处省略5个文件信息