checkaccount.java

简单的一个用户验证功能

package com.ht.servlet;

import java.io.IOException;


import javax.servlet.ServletException;
import javax.servlet.http.*;

public class CheckAccount extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {
     HttpSession session = request.getSession();
     AcountBean account = new AcountBean();
     String username = request.getParameter("username");
     String pwd = request.getParameter("pwd");
     account.setUsername(username);
     account.setPassword(pwd);
     if ((username != null) && (username.trim().equals("jsp"))) {
      if ((pwd != null) && (pwd.trim().equals("1"))) {
       System.out.println("session");
       session.setAttribute("account", account);
       String logon_suc = "session.jsp";
       response.sendRedirect(logon_suc);
       return;
      }
     }
     String logon_fail = "fail.jsp";
     response.sendRedirect(logon_fail);
     return;
}

public void doPost(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

     doGet(request, response);
}

}