JavaWeb如何实现Jsp页面中的修改密码功能

用JavaWeb如何实现Jsp页面中的修改密码功能，不涉及JavaBean

只能手写脚本了
<%@page import="java.util.*"%>

<%@ page import="java.text.*"%>
<%@ page import="java.io.*"%>

<%@ page language="java" pageEncoding="UTF-8"%>
<%@include file="../../logindo.jsp"%>
<%

ConnDataBase   bean0   =  new  ConnDataBase();
String path=request.getContextPath();



String sqltj=" and 1=1 ";

String cname=request.getParameter("cname");  
if(cname!=null && !"".equals(cname) && !"null".equals(cname)){
    sqltj+=" and   cname like '%"+cname+"%' ";
}else{cname="";}

%>

http://www.roseindia.net/jsp/change-password-code-in-jsp.shtml