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1£®  ÔÚ¹¤³ÌÖд´½¨¼àÌýÀàSessionListener ²¢ÇÒʵÏÖHttpSessionListener½Ó¿Ú£¬´úÂëÈçÏÂ
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;
 
public class SessionListener implements HttpSessionListener {
 
    private static int count = 0;
 
    public void sessionCreated(HttpSessionEvent se) {
       count++;
       System.out.println("session´´½¨£º" + new java.util.Date());
 
    }
 
    public void sessionDestroyed(HttpSessionEvent se) {
       count--;
       System.out.println("sessionÏú»Ù£º" + new java.util.Date());
    }
 
    public static int getCount() {
       return count;
    }
 
}
2£®  ÅäÖÃweb.xml
<listener>
      <description>session¼àÌýÆ÷</description>
      <listener-class>com.xxx.SessionListener</listener-class>
    </listener>
3£®  ÔÚJSPÒ³ÃæÖÐÏÔʾÔÚÏßÈËÊý
<%
         int count=com.xxx.SessionListener.getCount();
         out.println("ÔÚÏßÈËÊý£º"+count);
      %>
 
×¢Ò⣺servletÖжÔsessionµÄ¼àÌýÓкܶà½Ó¿Ú£¬¹¦ÄܺÜÁé»î£¬×î³£ÓõÄÊǼàÌýSessionºÍAttribute¡£ÕâÀïÒª³ÎÇåһϸÅÄservletÖеÄsession¼àÌýºÍAttribute¼àÌýº¬ÒåÓвî±ð£¬session¼àÌýÖ¸µÄ²»ÊÇÎÒÃÇÒ»°ãËùÀí½âµÄ·ÅÖÃÒ»¸ösession»òÕßÏú»ÙÒ»¸ösession£¬ÕâÊÇAttribute¼àÌýµÄ¹¦ÄÜ£¬ÒòΪservletÖзÅÖÃsessionµÄÓï·¨ÊÇsession.setAttribute(“sessionÃû”,Òª·ÅÈëµÄ¶ÔÏó)¡£¶øsession¼àÌý£¬¼àÌýµÄÊÇHTTPÁ¬½Ó£¬Ö»ÒªÓÐÓû§ÓëserverÁ¬½Ó£¬¾ÍËãÁ¬½ÓµÄÊÇÒ»¸ö¿Õ°×µÄjspÒ³Ã棬Ҳ»á´¥·¢sessionʼþ£¬ËùÒÔ´Ë´¦µÄsessionʵ¼ÊÉÏÖ¸µÄÊÇconnection£¬ÓÃÀ´Í³¼Æµ±Ç°ÔÚÏßÓû§Êý


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 create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',         
@pagesize int output,--ÿҳÏÔʾ¼Ç¼ÌõÊý
@currentpage int output,--µÚ¼¸Ò³
@orderid nvarchar(50),--Ö÷¼üÅÅÐò
@sort int,--ÅÅÐò·½Ê½£¬1±íʾÉýÐò£¬0±íʾ½µÐòÅÅÁÐ ......

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·½·¨ÖØÔØ(overloading method)
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CREATE OR REPLACE PROCEDURE TESTA(PARA1 IN VARCHAR2,PARA2 IN VARCHAR2) AS
BEGIN
   INSERT INTO HYQ.B_ID (I_ID,I_NAME) VALUES (PARA1, PARA2);
END TESTA;
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package com.hyq.src;
import java.sql.*;
import j ......

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