package com.ntsky.note;import java.io.*;import java.sql.*;import java.util.*;import javax.servlet.*;import javax.servlet.http.*;public class User extends HttpServlet {    private SQLDBOperator sdbo = null;    private static final String CONTENT_TYPE = "text/html; charset=GBK";    //Initialize global variables    public void init() throws ServletException {    }    //Process the HTTP Post request    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {        response.setContentType(CONTENT_TYPE);        PrintWriter out = response.getWriter();        String adminName = request.getParameter("adminName");        //新密碼        String adminPasswd = MD5.toMD5(CodeFilter.toHtml(request.getParameter("adminPasswd")));        out.println(adminPasswd+"<br>");        //原始密碼        String passWd = MD5.toMD5(CodeFilter.toHtml(request.getParameter("passWd")));        out.print(passWd);        if (sdbo==null)            sdbo = SQLDBOperator.getInstance("Connection");        String sql = "select adminPasswd from admin where adminName=?;";        try{            sdbo.prepareStatement(sql);            sdbo.setString(1,adminName);            ResultSet rs = sdbo.executeQuery();            rs.next();            String ap=rs.getString("adminPasswd");            if(passWd.equals(ap)){                sdbo.prepareStatement("update admin set adminPasswd=?;");                sdbo.setString(1,adminPasswd);                sdbo.executeUpdate();                URLServlet.getUrl(response,"default.jsp");            }            else                out.println("<Script language=JavaScript>alert('您輸入的原始密碼有問題!');JavaScript:history.back();</Script>");            rs.close();        }        catch(Exception e){            System.out.print("Manager isOldPwd() " + e.getMessage());            Debug.writeLog("Manager isOldPwd(), Exception Occured ! Info :" + e.getLocalizedMessage());        }        finally{            out.close();            sdbo.Close();        }    }    //Clean up resources    public void destroy() {    }}