JSP写的通信薄管理系统里面有详细介绍。应该适合大家使用

<%@ page contentType="text/html;charset=gb2312" import="java.sql.*"%>
<%@ page import="dbBean.DBBean"%>
<jsp:useBean id="conn"class="dbBean.DBBean"scope="session"/>
<%=conn.returnConnStr()%>
<%
ResultSet rs=null;
rs=conn.executeQuery("select * from user");
%>
<%=conn.returnConnStr()%>
<%
conn.executeUpdate("insert into user values(6,'o')");
%>
<%=conn.returnConnStr()%>
<%conn.close();%>
<%=conn.returnConnStr()%>